Electrical Machines
www.hft-global.com/education
Electrical Machines
The HFT Education Electrical Machines range has been designed for studying the theoretical
principles, practical operation and application of Electrical Machines Technology. The range is
made up from fully modular laboratory scale machines and accessories.
The Electrical Machines range allows fundamental to advanced study of single and 3-phase
machines, transformers and motor drives.
The Electrical Power Systems range is suitable for use in universities, colleges, polytechnics,
industrial and vocational training centres. Students typically choose careers as either system
design engineers, services engineers or technicians.
TELEPHONE +44 (0) 845 5199 280 / 290
email sales@hft-global.com
FAX +44 (0) 845 5199 260
www.hft-global.com/education
Electrical Machines
OVERVIEW
Electrical Machines
• • • • • • • • • • • • • • • • • • • • AC Motors and Generators
AC Motor Speed Control
Asynchronous Machines
Autotransformers
Brushless Motors
Cage Motors
Control of AC and DC Machines
Coupling DC Shunt and DC Compound Motors
DC Motors and Generators
DC Motor Speed Control
DC Compound Motors
DC Series Machines
DC Shunt Machines
Drives and Motor Control
Eddy Current Brakes
Induction Motors
Inverter Drives
Lead-Lag operation
Motor and Transformer Winding
Motor Assembly and Construction
career paths
• Installation Engineer
• Field Service Engineers
• Systems Technician
• Design Engineer
• Research Engineer
• Production Engineer
industry
applications
• • • • • • • • • • • • • • • • • • • Transportation: Road, Rail,
Automotive, Aviation, Personal
Power Generation
Military Applica􀆟ons
Fitness Machinery
Steel Mills, Textile and Papee Mills
Mining and Quarrying
Power Tools
Household Appliances
Music Players and Recorders
• Motor Starting
• Neutral Plane
• Paralleling two alternators
• PID Control of Motors
• PWM Drives
• Repulsion Motors
• Resistive, Inductive and
• Capacitive Loads
• Single and 3-Phase Motors and Generators
• Single and 3-phase Transformers
• Slip-Ring Motors
• Star/Delta Transformer Connections
• Starting of Asynchronous Motors
• Speed Control of AC and DC Machines
• Synchronous Compensators
• Synchronous Machines
• T (Scott) Connections
• Transformer Assembly and Construction
• Vector Drives
• Ward Leonard System
OVERVIEW
subjects
Blowers and Fans
Industrial machinery
Pumps, Compressors and Fans
Servos
Computer Equipment, Printers,
Scanners and Fax Machines
Clocks and Watches
Cranes and Lifting Equipment
Oil and Gas Drilling Rigs
visit www.hft-global.com/education for more information <
3
Electrical Machines
index
Electrical Machines
INDEX
electrical machines
300W - 500W machines
DC Compound Machine..............................................................................................................................6
DC Motor Thyristor Drive.............................................................................................................................
DC Series and Compound Machine...........................................................................................................
DC Series Machine............................................................................................................................................
3-Phase Synchronous Machine...................................................................................................................
3-Phase Cage Rotor Induction Motor....................................................................................................7
3-Phase Inverter Drive....................................................................................................................................
3-Phase Wound Rotor Induction Motor..................................................................................................
Single-Phase Motor with Running Capacitor.........................................................................................
Single-Phase Capacitor Start and Run Motor with Centrifugal Breaker....................................
Single-Phase Repulsion Start Induction Motor..................................................................................8
Universal AC/DC Motor.................................................................................................................................
Brushless Motor with Servo Drive.............................................................................................................
Reluctance Motor.............................................................................................................................................
index
EME200
EME200A
EME201
EME202
EME203
EME204
EME204A
EME205
EME208
EME209
EME210
EME211
EME217
EME218
Transformers
EME220
EME221
EME222
Single-Phase Transformer...........................................................................................................................9
3-Phase Transformer.......................................................................................................................................
Starting Autotransformer for 3-Phase Motors.....................................................................................
Brakes, Dynamometers and Tachogenerators
EME230
DC Dynamometer....................................................................................................................................... 10
EME231
Eddy Current Brake..........................................................................................................................................
EME231A
Power Supply for Eddy Current Brake......................................................................................................
EME232Tachogenerator..................................................................................................................................................
EME233
Electromagnetic Powder Brake...................................................................................................................
Instrumentation
EME260
EME262
EME263
EME264
EME265
EME266
Computerised Measurement System................................................................................................. 11
Analogue and Digital Instrumentation.....................................................................................................
Bench-Top Modular Frame............................................................................................................................
Digital Measurement System.......................................................................................................................
Digital Torque Meter.................................................................................................................................. 12
Digital Torque, Speed and Mechanical Power Meter..........................................................................
Rheostats
EME270
EME271
EME272
EME273
EME274
Generator Shunt Field Rheostat........................................................................................................... 12
Motor Shunt Field Rheostat..........................................................................................................................
Series Field Rheostat................................................................................................................................. 13
3-Phase Rotor Starting Rheostat................................................................................................................
Starting Rheostat for Wound Rotor Induction Motor........................................................................
visit www.hft-global.com/education for more information <
4
Electrical Machines
index
Electrical Machines
INDEX
electrical machines
loads
EME280
EME281
EME282
EME285
Variable Resistive Load............................................................................................................................. 13
Variable Inductive Load............................................................................................................................ 14
Variable Capacitive Load................................................................................................................................
Mechanical Flywheel Load............................................................................................................................
EME291
EME292
EME293
Programmable AC/DC Power Supply................................................................................................. 14
Variable Power Supply.............................................................................................................................. 15
Variable Power Supply with Low Voltage Section................................................................................
index
power supplies
AC and DC Motor Drives
EME310
EME311
EME312
EME313
EME314
EME315
EME316
EME10
EME11
Stepper Motor and Bipolar Chopper Drive...................................................................................... 15
DC Shunt Motor and Thyristor Drive........................................................................................................
Permanent Magnet DC Motor and 4 Quadrant PWM Drive.................................................... 16
3-Phase Asynchronous Motor and Variable Frequency Drive.......................................................
3-Phase Brushless Motor and Bi-directional Drive.............................................................................
3-Phase Asynchronous Motor and Vector Drive.................................................................................
Linear Motor Trainer........................................................................................................................................
Combined DC Motor Drive Trainer..................................................................................................... 17
Combined AC Motor Drive Trainer............................................................................................................
FAULT FINDING
EME350
Electrical Machines Control and Fault Finding............................................................................... 17
Assembly and Winding Kits
EME710
EME711
EME720
EME730
EME731
EME732
Lecturer Bench for Machine Testing.................................................................................................... 18
Student Bench for Machine Testing...........................................................................................................
Motor and Transformer Assembly Kit......................................................................................................
Automatic Transformer Winding Machine.............................................................................................
Automatic Motor Coil Winding Machine................................................................................................
Eddy Current Brake for Motor Tests................................................................................................... 19
cutaway machines
EME810Cutaway 3-Phase Self-Braking Machine............................................................................................ 19
EME811
Cutaway Single-Phase Machine..................................................................................................................
EME812Cutaway 3-Phase Machine............................................................................................................................
Recommended
Laboratories
The HFT Education Electrical Machines range is a flexible
modular system that can be configured to match your
curriculum requirements. Please refer to page 20 for
recommended configurations.
For more information please contact us on:
sales@hft-global.com
visit www.hft-global.com/education for more information <
5
Electrical Machines
300W - 500W machines
DC Compound Machine
+ Recommended Accessories
• EME200A DC Motor Thyristor Drive
A 300 W DC Machine with Compound
Excitation, for use as a Motor and Generator
with the EME200 series Modular
Electrical Machines training equipment.
Electrical Machines
EME200
EME200A
DC Motor Thyristor Drive
The drive is recommended for use with the EME200 DC Compound Machine and can
also be connected to the EME232 Tachogenerator for feedback of motor speed.
EME201
DC Series and Compound Machine
A 300 W DC Machine with separate Series and Compound Excitation, for use as a
Motor and Generator with the EME200 series Modular Electrical Machines training
equipment.
300W - 500W machines
A bench-top half controlled unidirectional single-phase thyristor drive for closed and
open-loop control of DC motors.
EME202
DC Series Machine
A 300W DC Machine with separate series excitation, for use as a motor with the
EME200 series Modular Electrical Machines training equipment.
EME203
3-Phase Synchronous Machine
A 3-Phase Synchronous Machine with Asynchronous Starting, for use as a Generator
and an Induction Start Motor, with the EME200 series Modular Electrical Machines
training equipment.
visit www.hft-global.com/education for more information <
6
Electrical Machines
300W - 500W machines
3-Phase Cage Rotor
Induction Motor
+ Recommended Accessories
• EME204A 3-Phase Inverter Drive
A 500 W 3-Phase Squirrel Cage
Induction motor for use with the
EME200 series Modular Electrical
Machines training equipment.
Electrical Machines
EME204
EME204A
3-Phase Inverter Drive
Functions include a sine wave and PWM-Vector control system, impulse run, start and
stop for mechanical brake, an electronic thermal relay and digital display mounted in the
front panel.
EME205
3-Phase Wound Rotor Induction Motor
A 500W 3-Phase Asynchronous Wound Rotor Induction motor for use with the
EME200 series Modular Electrical Machines training equipment.
300W - 500W machines
A bench-top microprocessor controlled transistor inverter drive for use with the
EME200 Electrical Machines series, recommended for use with the EME204 3-Phase
Cage Rotor Induction Motor.
EME208
Single-Phase Motor with Running Capacitor
A 300W Asynchronous Single-Phase Motor with Running Capacitor for use with the
EME200 series Modular Electrical Machines training equipment.
EME209
Single-Phase Capacitor Start and Run Motor with
Centrifugal Breaker
A 380 W Asynchronous Single-Phase Motor with Start and Run Capacitors, and a
Centrifugal Breaker for use with the EME200 series Modular Electrical Machines
training equipment.
visit www.hft-global.com/education for more information <
7
Electrical Machines
300W - 500W machines
Single-Phase Repulsion Start Induction Motor
A 240W Single-Phase Repulsion Start Induction motor for use with the EME200 series
Modular Electrical Machines training equipment.
Electrical Machines
EME210
EME211
Universal AC/DC Motor
EME217
Brushless Motor with Servo Drive
A 500W Brushless Motor with servo drive for use with the EME200 series Modular
Electrical Machines training equipment.
300W - 500W machines
A 260/330W Universal AC and DC Motor for use with the EME200 series Modular
Electrical Machines training equipment.
The unit consists of a brushless synchronous machine with a permanent magnet rotor
and a bi-directional servo drive. Brushless motors are typically used for high power
applications such as heat pumps, fans and compressors and are managed using drives.
EME218
Reluctance Motor
A 450W Reluctance Motor for use with the EME200 series Modular Electrical
Machines training equipment.
HFT Education
for Quality
HFT Education teaching products are manufactured in Europe under
an ISO 9001 quality manufacturing system, using state-of-the-art
production techniques and equipment. Our robust industrial standard
components, high quality materials and skilled production staff make
sure that our equipment has a long working life.
All HFT Education products are supplied with a
2 Year Warranty
visit www.hft-global.com/education for more information <
8
Electrical Machines
Transformers
Single-Phase Transformer
A 760VA Single-Phase Transformer for use with the EME200 series Modular Electrical
Machines training equipment.
Electrical Machines
EME220
EME221
3-Phase Transformer
EME222
Transformers
A 350VA 3-Phase Transformer for use with the EME200 series Modular Electrical
Machines training equipment.
Starting Autotransformer for 3-Phase Motors
A 500VA autotransformer for starting 3-phase squirrel cage and double cage motors up
to 500W.
VISIT OUR WEBSITE
> TO DOWLOAD OUR TECHNICAL DATASHEETS
For more detailed technical
information about our teaching
products and to request a quotation,
please visit our website at:
www.hft-global.com/education
visit www.hft-global.com/education for more information <
9
Electrical Machines
Brakes, Dynamometers and Tachogenerators
DC Dynamometer
A 450W DC Dynamometer for use with the EME200 series Modular Electrical
Machines training equipment.
The unit can be used as a DC Motor or Generator and for measuring the torque of other
machines coupled to the unit. Torque is measured by a torque measurement arm that
can be mounted at the opposite end of the shaft.
EME231
Eddy Current Brake
+ Required Accessories
• EME231A Power Supply for Eddy Current Brake
EME231A
Power Supply for Eddy Current Brake
A variable AC and DC power supply for powering the EME231 Eddy Current Brake.
EME232
Tachogenerator
A Tachogenerator for measuring the speed of Electrical Machines in the EME200 series
Modular Electrical Machines training range.
Brakes, Dynamometers and Tachogenerators
A 450W Eddy Current Bake for use with
the EME200 series Modular Electrical
Machines training equipment.
Electrical Machines
EME230
EME233
Electromagnetic Powder Brake
An Electromagnetic Powder Brake with control box and instrumentation, for measuring
the mechanical and electrical characteristics of electrical motors, including the torque
curve and mechanical power output.
visit www.hft-global.com/education for more information <
10
Electrical Machines
Instrumentation
Computerised Measurement System
A computerised measurement system with data acquisition and control software,
for measuring AC and DC voltages, currents and powers, speed and force of rotating
machines, and temperatures.
The system is supplied with temperature probes, a strain gauge load cell for torque
measurement and an optical transducer for speed measurement. Software is used to
display measured values in real time, create trends and graph values.
Electrical Machines
EME260
The EME260 can be used for automatic tests with the EME291 Programmable AC/DC
Power Supply.
Analogue and Digital Instrumentation
A set of frame-mounted analogue and digital measurement instruments for
measurements on 300 - 500W static and rotating electrical machines.
Instrumentation
EME262
EME263
Bench-Top Modular Frame
A bench-top frame for mounting the measuring instruments in the EME261 Modular
Instrumentation System and the EME262 Analogue and Digital Instruments.
EME264
Digital Measurement System
A Multi-Function PC connected Measuring Instrument for use with single-phase and
3-phase applications, for measuring voltages, current, active, reactive and apparent
powers, power factor, frequency, active energy, inductive and capacitive reactive energy,
total and partial apparent energy and for harmonic analysis.
visit www.hft-global.com/education for more information <
11
Electrical Machines
Instrumentation
Digital Torque Meter
A Digital Torque Meter consisting of a load cell connected to a digital display, for
measuring the torque of electrical machines.
The torque meter is recommended for use with the EME230 DC Dynamometer.
The load cell mounts directly on the DC machine.
Electrical Machines
EME265
EME266
Digital Torque, Speed and Mechanical Power Meter
The unit includes an optical reflection transducer for speed measurement and a 20 kg
load cell for torque measurement. Measured values are displayed on a digital display, or
on a computer using the optional data acquisition software.
rheostats
Instrumentation / rheostats
A Digital Torque, Speed and Mechanical Power measuring system for use with Electrical
Machines from the EME200 Electrical Machines range.
EME270
Generator Shunt Field Rheostat
A 500W laboratory Generator Shunt Field Rheostat with windings on a porcelain
cylinder, slider for varying the resistance and safety connection terminals, for use with
the EME200 series Electrical Machines range.
EME271
Motor Shunt Field Rheostat
A 500W laboratory Motor Shunt Field Rheostat with windings on a porcelain cylinder,
slider for varying the resistance and safety connection terminals, for use with the
EME200 series Electrical Machines range.
visit www.hft-global.com/education for more information <
12
Electrical Machines
Rheostats
Series Field Rheostat
A 500W laboratory Series Field Rheostat with windings on a porcelain cylinder, slider
for varying the resistance and safety connection terminals, for use with the EME200
series Electrical Machines range.
Electrical Machines
EME272
EME273
3-Phase Rotor Starting Rheostat
EME274
Starting Rheostat for Wound Rotor Induction Motor
Rheostats / loads
A 500W 3-Phase Rotor Starting Rheostat with windings on porcelain cylinders, slider
for varying the resistance and safety connection terminals, for use with the EME200
series Electrical Machines range.
A 500W Starting Rheostat for progressive starting of 3-phase asynchronous wound
rotor induction motors, recommended for use with the EME205 3-Phase Wound Rotor
Induction Motor.
loads
EME280
Variable Resistive Load
A Variable Resistive Load Bank with 3 ohmic sectors and 21 single-phase active power
values, for use with the EME200 Electrical Machines range.
visit www.hft-global.com/education for more information <
13
Electrical Machines
Loads
Variable Inductive Load
A Variable Inductive Load Bank with 3 ohmic sectors and 21 single-phase reactive
power values, for use with the EME200 Electrical Machines range.
Electrical Machines
EME281
EME282
Variable Capacitive Load
EME285
Mechanical Flywheel Load
An experimental flywheel for use as a mechanical load with the EME200 Electrical
Machines range of products.
The unit consists of a metallic flywheel mass enclosed in a bench-top educational case,
with an 80 mm high shaft for coupling to electrical machines. The flywheel is made from
three heavy metal discs which can be used independently or in combination to vary the
moment of inertia.
Loads / power supplies
A Variable Capacitive Load Bank with 3 ohmic sectors and 21 single-phase reactive
power values, for use with the EME200 Electrical Machines range.
power supplies
EME291
Programmable AC/DC Power Supply
An advanced programmable AC and DC power supply for powering Electrical Machines
from the EME200 series Electrical Machines range. The power supply outputs a fixed
3-phase voltage, fixed DC voltage and variable AC or DC voltage.
The unit includes a motor driven variable autotransformer for setting the output
voltage, which can be controlled using a PC (not supplied) for automatic tests with the
EME260 Computerised Measurement System.
visit www.hft-global.com/education for more information <
14
Electrical Machines
Power Supplies
Variable Power Supply
A variable AC and DC power supply for powering Electrical Machines from the
EME200 series Electrical Machines range.
The power supply outputs a fixed DC voltage and variable AC or DC voltage, and is
recommended for use with the EME261 Modular Instrumentation System for tests
with the EME200 Series Electrical Machines range.
Electrical Machines
EME292
EME293
Variable Power Supply with Low Voltage Section
The power supply outputs a fixed DC voltage, fixed low DC voltage and variable AC or
DC voltage, and is recommended for use with the EME261 Modular Instrumentation
System for tests with the EME200 Series Electrical Machines range.
AC and DC Motor Drives
EME310
Stepper Motor and Bipolar Chopper Drive
An industrial Bipolar Chopper Drive and Stepper Motor unit for in-depth study of
industrial stepper motors and stepper motor drives.
Power Supplies / AC and DC Motor Drives
A variable AC and DC power supply for powering Electrical Machines from the
EME200 series Electrical Machines range.
The unit includes a fault simulator for troubleshooting and diagnostic testing, and
computer interface for data acquisition and control (SCADA).
EME311
DC Shunt Motor and Thyristor Drive
An industrial Thyristor Drive and DC Shunt Motor unit for in-depth study of industrial
DC Shunt Motors and Thyristor drives.
The unit includes a fault simulator for troubleshooting and diagnostic testing, and
computer interface for data acquisition and control (SCADA).
visit www.hft-global.com/education for more information <
15
Electrical Machines
AC and DC Motor Drives
Permanent Magnet DC Motor and 4 Quadrant
PWM Drive
An industrial Permanent Magnet DC Motor and 4 Quadrant PWM Drive unit for indepth study of industrial 4 Quadrant PWM Drives and Permanent Magnet DC Motors.
The unit includes a fault simulator for troubleshooting and diagnostic testing, and
computer interface for data acquisition and control (SCADA).
Electrical Machines
EME312
EME313
3-Phase Asynchronous Motor and Variable
Frequency Drive
The unit includes a fault simulator for troubleshooting and diagnostic testing, and
computer interface for data acquisition and control (SCADA).
EME314
3-Phase Brushless Motor and Bi-directional Drive
An industrial 3-Phase Brushless Motor and Bi-Directional Drive unit for in-depth study
of the control of 3-Phase Brushless Motors.
The unit includes a fault simulator for troubleshooting and diagnostic testing, and
computer interface for data acquisition and control (SCADA).
AC and DC Motor Drives
An industrial 3-Phase Asynchronous Motor and Variable Frequency Drive unit for indepth study of industrial 3-Phase Asynchronous Motors and Variable Frequency Drives.
EME315
3-Phase Asynchronous Motor and Vector Drive
An industrial 3-Phase Asynchronous Motor and Vector Drive unit for in-depth study of
the control of 3-Phase Asynchronous Motors.
The unit includes a fault simulator for troubleshooting and diagnostic testing, and
computer interface for data acquisition and control (SCADA).
EME316
Linear Motor Trainer
A bench-top linear motor trainer for studying the construction, characteristics,
operation and application of linear motors using a permanent magnet synchronous
linear motor and a servo drive.
The unit includes a computer interface for data acquisition.
visit www.hft-global.com/education for more information <
16
Electrical Machines
AC and DC Motor Drives
Combined DC Motor Drive
Trainer
A combined DC Motor Drive trainer for
studying the mechanical and electrical
characteristics of DC motors, DC motor
drives, 2 quadrant and 4 quadrant
MOSFET drives.
EME11
Combined AC Motor Drive
Trainer
• EME950 Universal Power Supply
• EME200 DC Compound Machine
• EME232 Tachogenerator
+ Required Accessories
• • • EME950 Universal Power Supply
EME204 3-Phase Cage Rotor Induction Motor
EME232 Tachogenerator
FAULT FINDING
EME350
Electrical Machines Control and Fault Finding
The EME350 Electrical Machines Control and Fault Finding system is a bench-top unit
for studying, troubleshooting and fault-finding a wide number of circuits used to control
Electrical Machines.
AC and DC Motor Drives / fault finding
A combined AC Motor Drive trainer for
studying the mechanical and electrical
characteristics of AC motors and drives,
including PWM, FOC and frequency
drives and PID control.
+ Required Accessories
Electrical Machines
EME10
Products for Electrical and
Electronics Engineering
HFT Education has a comprehensive range of products for teaching Electronics, Electrical Machines, Electrical
Power Systems and Renewable Energies.
Please visit our website at www.hft-global.com/education or contact us to request a catalogue.
visit www.hft-global.com/education for more information <
17
Electrical Machines
Assembly and Winding Kits
Lecturer Bench for Machine Testing
A bench for testing and quality control of machines assembled by students,
recommended for the EME720 Motor and Transformer Assembly Kit.
Electrical Machines
EME710
EME711
Student Bench for Machine Testing
EME720
Motor and Transformer
Assembly Kit
+ Recommended Accessories
• EME720A Set of Tools for Motor and Transformer Assembly
The EME720 is a kit of components
and accessories for assembling and
disassembling electrical machines
and transformers.
Assembly and Winding Kits
A bench with integrated power supply for testing electrical machine and transformers
assembled by students, recommended for the EME720 Motor and Transformer
Assembly Kit.
EME730
Automatic Transformer Winding Machine
The EME730 is an Automatic Transformer Winding Machine for use in the
laboratory environment.
EME731
Automatic Motor Coil Winding Machine
An Automatic Motor Coil Winding Machine for manufacturing the coils of
rotating machines.
visit www.hft-global.com/education for more information <
18
Electrical Machines
Assembly and Winding Kits
Eddy Current Brake for
Motor Tests
+ Required Accessories
• EME732A Power Supply for Eddy Current Brake
An Eddy Current Brake for testing
motors up to 1800W and 2800 r.p.m.,
recommended for testing motors
assembled using the EME720 Motor and
Transformer Assembly Kit.
EME810
Cutaway 3-Phase Self-Braking Machine
A cutaway 3-phase self-breaking machine for visualisation of the internal parts of a
3-phase self-braking electrical machine.
EME811
Cutaway Single-Phase Machine
A cutaway single-phase machine for visualisation of the internal parts of a single-phase
electrical machine.
Assembly and Winding Kits / cutaway machines
Cutaway machines
Electrical Machines
EME732
EME812
Cutaway 3-Phase Machine
A cutaway 3-phase machine for visualisation of the internal parts of a 3-phase
electrical machine.
visit www.hft-global.com/education for more information <
19
Electrical Machines
Recommended Laboratories
Electrical Machines
DC Machines Laboratory
DC Motor / Generator..................................... EME201 DC Series and Compound Machine
Electrical Loads.................................................. EME280 Variable Resistive Load
Motor/Generator Field Rheostat........ EME270 Generator Shunt Field Rheostat
Motor Starting Rheostat.............................. EME273 3-Phase Rotor Starting Rheostat
Instrumentation and Power Supplies
Option 1:
Standard Instrumentation.......................EME293 Variable Power Supply with Low Voltage Section
................................................................................................ EME263 Bench-Top Modular Frame
................................................................................................ EME262 Analogue and Digital Instrumentation
................................................................................................ EME232 Tachogenerator
Option 2:
Computerised Instrumentation............EME291 Programmable AC/DC Power Supply
................................................................................................ EME260 Computerised Measurement System
Recommended Laboratories
Torque Measurement........................................ EME230 DC Dynamometer, or,
................................................................................................ EME231 Eddy Current Brake, or,
................................................................................................ EME233 Electromagnetic Powder Brake
Optional Accessories
DC Motor Drive..................................................EME200a DC Motor Thyristor Drive
visit www.hft-global.com/education for more information <
20
Electrical Machines
Recommended Laboratories
Electrical Machines
3-Phase Synchronous Machines
Laboratory
3-Phase Synchronous Machine.............EME203 3-Phase Synchronous Machine
Prime mover & Torque Measurement...EME230 DC Dynamometer
Motor/Generator Field Rheostat.......EME270 Generator Shunt Field Rheostat [QTY 2]
Electrical Loads.............................................EME280 Variable Resistive Load
......................................................................................EME281 Variable Inductive Load
......................................................................................EME282 Variable Capacitive Load
Instrumentation and Power Supplies
Option 1:
Standard Instrumentation.......................EME293 Variable Power Supply with Low Voltage Section
......................................................................................EME263 Bench-Top Modular Frame
......................................................................................EME262 Analogue and Digital Instrumentation
......................................................................................EME232 Tachogenerator
Option 2:
Recommended Laboratories
Variable Reluctance Motor.....................EME218 Reluctance Motor
Computerised Instrumentation............EME291 Programmable AC/DC Power Supply
......................................................................................EME260 Computerised Measurement System
visit www.hft-global.com/education for more information <
21
Electrical Machines
Recommended Laboratories
Electrical Machines
3-Phase Asynchronous Machines
Laboratory
3-Phase Synchronous Machine.............EME203 3-Phase Synchronous Machine
Prime mover & Torque Measurement...EME230 DC Dynamometer
Motor/Generator Field Rheostat.......EME270 Generator Shunt Field Rheostat [QTY 2]
Electrical LoadS.............................................EME280 Variable Resistive Load
......................................................................................EME281 Variable Inductive Load
......................................................................................EME282 Variable Capacitive Load
Instrumentation and Power Supplies
Option 1:
Standard Instrumentation.......................EME293 Variable Power Supply with Low Voltage Section
......................................................................................EME263 Bench-Top Modular Frame
......................................................................................EME262 Analogue and Digital Instrumentation
......................................................................................EME232 Tachogenerator
Option 2:
Recommended Laboratories
Variable Reluctance Motor.....................EME218 Reluctance Motor
Computerised Instrumentation............EME291 Programmable AC/DC Power Supply
......................................................................................EME260 Computerised Measurement System
visit www.hft-global.com/education for more information <
22
Electrical Machines
Recommended Laboratories
Electrical Machines
Single and 3-Phase Transformers Bench
Single Phase Transformer........................EME220 Single-Phase Transformer
3-Phase Transformer...................................EME221 3-Phase Transformer
Instrumentation and Power Supplies
Option 1:
Standard Instrumentation.......................EME293 Variable Power Supply with Low Voltage Section
......................................................................................EME264 Digital Measurement System [QTY 2]
Option 2:
Computerised Instrumentation............EME291 Programmable AC/DC Power Supply
......................................................................................EME260 Computerised Measurement System
visit www.hft-global.com/education for more information <
Recommended Laboratories
Electrical Loads.............................................EME280 Variable Resistive Load
......................................................................................EME281 Variable Inductive Load
......................................................................................EME282 Variable Capacitive Load
23
Electrical Machines
Recommended Laboratories
Electrical Machines
Single Phase Motors Bench
Split Phase Motor and
Capacitor Start Motor
EME209 Single-Phase Capacitor Start and Run Motor
with Centrifugal Breaker
Capacitor Run Motor....................................EME208 Single-Phase Motor with Running Capacitor
Repulsion Motor..............................................EME210 Single-Phase Repulsion Start Induction Motor
Torque Measurement....................................EME230 DC Dynamometer, or,
......................................................................................EME231 Eddy Current Brake, or,
......................................................................................EME233 Electromagnetic Powder Brake
Electrical LoadS.............................................EME280 Variable Resistive Load
Shunt Field Rheostat....................................EME270 Generator Shunt Field Rheostat
3-Phase Transformer...................................EME221 3-Phase Transformer
Instrumentation and Power Supplies
Option 1:
Standard Instrumentation.......................EME293 Variable Power Supply with Low Voltage Section
......................................................................................EME263 Bench-Top Modular Frame
......................................................................................EME262 Analogue and Digital Instrumentation
......................................................................................EME264 Digital Measurement System [QTY 2]
......................................................................................EME232 Tachogenerator
Recommended Laboratories
Universal Motor...............................................EME211 Universal AC/DC Motor
Option 2:
Computerised Instrumentation............EME291 Programmable AC/DC Power Supply
......................................................................................EME260 Computerised Measurement System
visit www.hft-global.com/education for more information <
24
our service promise
We promise to provide information and support
quickly and with a high level of expertise and
technical knowledge
We understand
If your teaching equipment is not working as you expect, your students will not be able to complete their studies.
industrial quality
That’s why our products are built to the highest European standards using industrial quality components.
two year warranty
This commitment to quality is supported by our two year warranty, which covers all HFT Education products.
if you need support
To help us to deliver the high level of service that you expect, please provide us with the
following important information with your support requests:
• Equipment Model Number
• Equipment Serial Number
• Details of your request, enquiry or question
EXPERIMENT
Details of the experiment or process that was being performed when you noticed a change in the equipment.
results
What results were you obtaining from the experiment?
Please send us the actual data readings.
photographs
Digital photographs of the equipment will help us to make a quicker and more accurate diagnosis.
We request that the information provided is as detailed and accurate as possible, to help us
make a quick and accurate diagnosis and identify the best solution.
TELEPHONE +44 (0) 845 5199 280 / 290
email support@hft-global.com
FAX +44 (0) 845 5199 260
Online support form www.hft-global.com/education
www.hft-global.com/education