Item Code
DL WPP
Technical Specifications
Wind Power Plants – educational equipment
This trainer must allow the students to study the functions and operations of a modern wind power plant simulating the effects of
the wind force and their effects on the plant.
This system must operate through a brushless machine and the simulation software and the double‐feed asynchronous machine
will allow a practical and effective approach to this trainer.
The trainer must have modular structure that will grant teachers and students extreme flexibility during the study of the
related topics and the performance of the experiments. It must be possible to fit the single modules with insulated front panel on
the vertical frame.
An interactive multimedia SCADA software must be also available to allow performing the experiments set‐up as well as the
visualization and management of the collected data through PC.
The control unit of this trainer must allow controlling and operating a speed‐variable double‐feed asynchronous generator.
Thanks to this control unit it will be possible to simulate and investigate the operating principles of this topic.
This control unit will allow approaching and theoretically in depth analyzing the following topics:
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Operation of the double‐feed asynchronous generator;
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Integrated power switch for switching the generator on line;
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Reactive and active power, frequency and voltage control;
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Mains synchronization
This trainer must be complete with the relevant SCADA software that can control and set the several operations of the system;
with this software it will be possible to adjust the wind speed and profile and to examine the effects on the operating functions of
a real wind power plant.
Another important feature of this SCADA software will be related to the possibility to control, parameterize and visualize the
obtained data.
In particular, with this SCADA software it must be possible to perform the following activities:
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Measurement, calculation and graphic representation of many mechanical and electrical operating parameters.
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Selection of the set‐point values for reactive and active power.
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Definition and simulation of wind power and profiles.
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Interactive experiments set‐up.
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Values and graphs can be stored.
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Experiments instructions can be viewed directly from the software.
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Possibility to print documents for easy hardcopy printing of experiments instructions with solutions.
With this wind power plant trainer it must be possible to perform the following experiments:
Study of functions and operations of a modern wind power plant.
Relationships between a pitch control system and the wind.
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Item Code
Technical Specifications
Analysis of the mechanical parameters within an induction generator.
Analysis of the electrical parameters within an induction generator.
Starting method of a wind system
DFIG – doubly fed induction generator.
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The trainer must be composed of the following didactic equipment.
DL 2108T26 - BRUSHLESS CONTROLLER with MOTOR
Module for the study of the automatic control for a brushless motor
• Control and operation of a brushless motor in voltage
The system must allow the study of the operation of a brushless motor of a typical industrial process automation.
The student must have the opportunity to learn, to control and parameterize an automatic operation.
The control and monitoring system must be done through a software that will be able to:
• Set system parameters
• Draw graphic curves
• Monitor real‐time system (torque, speed, etc.)
Specifications:
1kW power brushless motor with electronic encoder
Control of the system in frequency and voltage
Mechanical braking system for the analysis of the torque
Encoder outputs for the analysis of speed
Display system for controlling and monitoring events
Button start and stop action and automatic stop intervention in case of alarm
Complete software for PC interfaced to the system via RS485
DL 1022 – SLIP RING THREE-PHASE ASYNCHRONOUS MOTOR
Induction motor with both stator and rotor three-phase windings.
Technical features:
Power: 1.1 kW - Voltage: 220/380 V D/Y - Current: 4.3/2.5 A D/Y - Speed: 2830 rpm, 50 Hz
It must be possible to couple the electrical machine with other electrical machines through a hub and spider elastic gear ring in
polyurethane. It must be supplied with a hooked module in aluminum with PVC label and safety terminals for the electrical
connection. A schematic diagram must be shown on the hooked module.
Each machine must be mounted on a base and must be provided with:
Plate that brings its axis height to the standard measure (112 mm).
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Item Code
Technical Specifications
Plates for the fixing to the base of the machine
Four screws for fixing of the machine
InterRail Distance of the plates: 160mm
Coupling Joint: Diameter: 40mm, length 40mm
DL 1013A – BASE
This item must consist of a steel alloy varnished structure mounted on anti-vibration rubber feet, provided with slide guides for
the fixing of one or two machines and with a coupling guard.
Complete with a device for the locking of the rotor of the slip ring asynchronous machines in the short-circuit test.
Composition:
Light alloy base, levelled on the upper supporting planes, with two guides for all the couplings of machines rated 1 kW
In the lower section high sensitivity shock absorbers are mounted, arranged to be fixed to a supporting plane.
Removable butt strap in varnished plate and flask for the blocked rotor test in varnished light alloy.
DL 2108TAL-SW THREE-PHASE SUPPLY UNIT
This power supply unit must be suitable for connection to the three-phase four-wire mains.
Technical features:
•Power supply: three-phase from mains
•Cam operated 4-pole mains switch 16 A
•Fault current circuit breaker 25 A: 30 mA sensitivity
•Motor protection switch: 6.3 to 10 A, adjustable
•Output terminals L1, L2, L3 and N, with phase pilot lamps
•Two additional single-phase sockets at the back with pilot lamp for mains voltage
•Switch for simulation of wind or photovoltaic energy power source.
This module must have insulated type front panel with the electrical scheme; it must include also safety terminals.
DL 2109T29 - MAXIMUM DEMAND METER
The module must consist of a microprocessor controlled three-phase power analyzer. It must have insulated panel and it must be
suitable for the measurement of voltages, currents, frequencies, active power, reactive power, apparent power.
Input voltage: 450 V (max 800 Vrms)
Input current: 5 A (max 20 Arms)
Operating frequency: 47 + 63 Hz
Auxiliary supply: single-phase from mains
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Item Code
4
Technical Specifications
On the front panel, it must include a RS485 port, a on/off switch and LCD display with the following features:
n. of reading points: 10 000 4 digits
energy count: 8 digit counter
reading updates: 1,1 seconds
DL 2108T27 – DOUBLE FEED ASYNCHRONOUS GENERATOR
AC-DC power regeneration converter acting as AC-DC rectifier with input voltage L1, L2 and L3 and VBUS as output. In will be
possible to have the exchanged power with the grid as absorption or as power regeneration, depending on the load needs.
Power: 1,5kW
In: 4,0A
Choke three-phase 17,503mH
Nominal thermal current : 4,2A
Saturation Peak Current: 14,8A
Saturation RMS current: 10,5A
Power Eq.: 363VA
DL 2108T28 – INVERTER FOR INDUCTION THREE-PHASE MOTORS
1.5 KW Inverter Sensorless vector control
PLC Interface
Input Three phase 380-500V-50/60Hz
DC Bus to Regenerative Interface
Sinusoidal PWM control system
Adjustable output voltage range within the 50 to 660V (500V class) by correcting the supply voltage
Output frequency: range 0.1 to 500.0Hz, default setting: 0.5 to 80Hz, maximum frequency: 30 to 500Hz
Minimum setting steps of frequency : 0.1Hz: analog input (when the max. frequency is 100Hz), 0.01Hz: Operation panel setting
and communication setting.
Voltage/frequency characteristics:
V/f constant, variable torque, automatic torque boost, vector control, automatic energy-saving. dynamic automatic energy-saving
control (for fan and pump), PM motor control, V/F 5-point setting, Auto-tuning. Base frequency (20-500Hz) adjusting to 1 & 2,
torque boost (0-30%).
PID control: setting of proportional gain, integral gain, differential gain and control waiting time.
Alarms Overcurrent, overvoltage, overload, overheat, communication error, under-voltage, setting error, retry in process,
Item Code
Technical Specifications
upper/lower limits.
DL 2108T02 – POWER CIRCUIT BREAKER
Three-phase power circuit breaker with normally closed auxiliary contact.
• Contact load capability: 400 Vac, 3 A
• Supply voltage: single-phase from mains
The item must include two light push buttons (one red and one green) and must have insulated front panel.
DL HUBRS485F –COMMUNICATION MODBUS
module with insulated front panel including:
two RS485 inputs and six RS485 outputs.
Analog output 1 0 to 10V
Analog output 2 0 to 10V
One switch for power on/off and a port for power supply connector.
DL SCADA2 - SOFTWARE SCADA
Software that must permit the operations of control and data acquisition.
It must be in a form of a Run-time system that must allow users to concentrate on the purpose of the experiments and to obtain
the necessary data in a easy and effective way.
DL 2108T15 – POWER CIRCUIT BREAKER
Module with insulated panel, combined over-current & earth fault relay with programmable time-current curves suitable for
protection of power distribution systems with insulated, resistance earthed or compensated neutral.
It must be provided with three phase-fault elements, three earth fault elements, time current curves selectable according to
IEC/IEEE standards, a breaker failure protection, a trip circuit breaker control via serial port, a blocking output and blocking input
for pilot wire selectivity coordination, a time tagged multiple event recording, oscillographic wave form capture, modbus RTU /
IEC870-5-103 communication Protocols, display LCD 16 (2x8) characters, optional expansion input/output modules, rated input
current selectable 1A or 5A, 50/60 Hz. 3rd harmonic filter on the neutral input current.
4 mm. safety terminals and 2 mm. terminals included on the front panel for the electrical connection.
DL 1080TT – THREE PHASE TRANSFORMER
Three-phase transformer for feeding a transmission line model 380 kV with scale factor 1:1000
Primary
• 3 x 380 V windings with tap at 220 V
• Star or delta connection
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Item Code
Technical Specifications
Secondary
• 3 x 220 V windings with taps at +5%,-5%,-10%,-15%
• Star connection for 3 x 380 V
• Various star connections possible
• Rated power: 800 VA
Tertiary
• 3 x 220 V windings
• Delta connection for stabilizing the third harmonic voltage components
• Rated power: 266VA
DL 1155WPP – KIT OF CONNECTING LEADS
DL 2100-3M-AS FRAME
Metal frame with three levels for fitting the modules of the laboratory.
DL PCGRID – personal computer supplied with the system
DL PRGRID – multiple socket 16A with 5 Schuko plugs
With this system it must be possible to perform additional experiments on the Fault Ride Through thanks to the following optional
items:
DL 7901TT - LINE MODEL
Three-phase model of an overhead power transmission line 360 km long, voltage 380 kV and current 1000 A.
• Scale factor: 1:1000
Line resistance: 13 Ω, line inductance: 290 mH, mutual capacitance: 1 μF, earth capacitance: 2 μF, earth resistance: 11 Ω, earth
inductance: 250 mH
DL 2108T18 - EARTH FAULT WARNING RELAY
module with insulated panel, Multifunction three phase overvoltage/ undervoltage relay. Three-phase voltage relay, suitable for
protection of HV, MV, LV power transmission and distribution systems. The relay must measure the true R.M.S. value of the 3
phase to neutral voltages fed to three transformers. It must be provided with two under voltage elements, two over voltage
elements, one under frequency element, one over frequency element, one omopolar sequence over voltage element, one
negative sequence over voltage element, one positive sequence under voltage element, time tagged multiple event recording,
oscillographic wave form capture, Modbus RTU / IEC870-5-103, Display LCD 16 (2x8)
characters, communication Protocol. 4 mm. safety terminals and 2 mm. terminals included on the front panel for the electrical
connection.
DL 1017R – RESISTIVE LOAD
It must consist in a single or three-phase resistive step-variable load. Housed in a metallic box.
MECHANICAL FEATURES
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Item Code
Technical Specifications
The load shall be composed of a rugged metal structure and of a front metal panel.
On the front panel all the controls, the protection, the output terminals and a clear synoptic diagram, shall be collected.
ELECTRIC FEATURES
The load shall be composed of resistances, with possibility of star, delta and parallel connection, controlled by three switches. This item must
be provided also with fuses protection.
As a function of the switch positions, there shall be the following phase values:
Position Resistance
Max power per phase
1
1050 Ohm
46 W
2
750 Ohm
65 W
3
435 Ohm
110 W
4
300 Ohm
160 W
5
213 Ohm
230 W
6
150 Ohm
330 W
7
123 Ohm
400 W
Maximum power in single or three phase connection must be 1200 W.
Rated voltage in star connection must be 380 V, in D connection must be 220V, in single-phase must be 220V.
It must be supplied with manual in English language.
Dimensions (W x H): 436 x 174 mm
DL 2108T02 – POWER CIRCUIT BREAKER
Three-phase power circuit breaker with normally closed auxiliary contact.
• Contact load capability: 400 Vac, 3 A
• Supply voltage: single-phase from mains
The item must include two light push buttons (one red and one green) and must have insulated front panel.
DL 2100-3M-AS FRAME
Metal frame with three levels for fitting the modules of the laboratory.
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