PURCHASE DIVISION
DEPARTMENT QUALITY MANUAL
Revision No. :
02
Dt of Revision : 12.9.2012
Issue No:
2
Issue Dt. : 30.06.2003
Page No.
: 10 OF 19
Issued by
Section
Topic
:
QA
: 0
: FORMAT 6 OF PROCUREMENT PROCEDURE OF CPRI (NON-WORKS)
Document : DQM-01
FORMAT NO.:PUR/TENDDOC/P10/06
CPRI
www.tenderwizard.com/CPRI
Section II -Technical Specification for AC Three Phase Phantom Load Source
Tender Enquiry No : PUR/ID-15/15-16
Name of the Equipment: AC Three Phase Phantom Load Source
Note :The Offers should be submitted only in this format otherwise the offer will be liable for rejection
A detailed technical catalogue/literature/phamplet and any other technical details shall be sent in hard copy in a sealed cover superscribing enquiry number and due date so
as to reach the following address with the due date and time. This is very much essential to evaluate your offer.
Name of the Vendor
Offer Number and Date
Sl.No.
Parameters
1
2
Place where the
equipment to be
supplied
Scope
3
Construction
CPRI Specification / Requirements
CPRI, Bangalore
Supply, Installation, Commissioning, Demonstration and Training of “AC Three Phase Phantom Load
Source”.
Modular & Compact.
The Voltage & Current source shall be transformer based and shall be of high quality cores with high
effciency, reliability and source shall be natural air cooled.
The Sources shall be housed inside the enclosure (MS powder coated of suitable thickness) and shall be
placed on the trolley. The trolley shall have been mounted on rotatable Nylon castor wheels for easy
movement with locking facility.
Page 1 of 5
To be completed by the Bidder
Guaranteed
Deviation/Remarks
Technical
Specify if any
Particulars (GTP)
3
4
5
Construction
Types of Meters
intended to be
tested
Phantom load
Source
Feasibility for mounting Single Phase & Three Phase meters on hylom/bakelite/ nylon sheet of thickness
5mm with hooks at appropriate position shall be provided. This mounting panel shall be on LHS of the
Source and shall be accessible near the source output terminals.
3 Phase 4 Wire LT CT, HT CT PT & Whole current Active, Reactive and Apparent Energy Meters (in both
balanced and unbalanced modes).
3 Phase 3 Wire Active, Reactive and Apparent Energy Meters (in both balanced and unbalanced modes).
1 Phase 2 Wire Whole current Active, Reactive Energy Meters.
Provision for meter configuration selector switch shall be provided.
Independent control varations shall have been provided for all three phases (namely R-Y-B phases) for
varitation of parameters viz., voltage, current & phase angle by using coarse and fine adjustments variacs.
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Nominal Output
Voltage
Voltage ranges
6
0 to 330V (L-N) continuous variable in R-Y-B phase with Digital display
0-63.5-110-240-300V. Provision for selecting output voltages viz. 63.5V, 110V, 240V & 300V shall be
provided.
Voltage adjustment Continuous upto 120% of nominal voltage by using course / fine control variacs in R-Y-B phases.
· Combined Output Voltage Isolator Switch for R-Y-B phase.
· Individual voltage fine control variac for R-Y-B phase.
Measurement and Measurement by using 4½ Digital Voltmeter with 0.5 Accuracy. Resolution shall be 0.01V for both ranges
display
of 63.5V & 110V and 0.1V for both 240V & 300V.
Nominal output 200A
current
Current Ranges 1A, 5A, 10A, 50A, 100A & 200A R-Y-B Phases, current range independently adjustable using course / fine
control variac with digital display.
7
Current
Adjustments
8
9
10
Continuous upto 120% of nominal current by using course / fine control variacs in R-Y-B phases.
· Combined Current coarse selector switch, 6 position.
· Combined Low Current Selector Switch for R-Y-B phase for 1A, 5A & 10A
· Combined High Current Selector Switch for R-Y-B phase for 50A, 100A & 200A
· Combined Output Current Isolator Switch for R-Y-B phase.
· Individual current fine control variac for R-Y- B phase.
Measurement and Measurement by using 4½ Digital Ammeter with 0.5 Accuracy. Resolution shall be 1mA for 1A, 5A & 10A;
display
10mA for 50A, 100A & 200A.
Phase angle
0-360° in R/Y/B phases, Individual phase angle control by using course / fine variac (30° with fine
adjustment
adjustments) with digital display. [UPF - 30° lag and lead, 60° Lag and lead, 90° lag and lead in both Import
and export modes.]
Additionaly Power factor selector switch for UPF, 0.866 Lag-Lead, 0.5 Lag-Lead, ZPF Lag-Lead shall be
provided.
· Individual power factor fine control variac for R-Y-B phase.
Power Factor
To read the power factor, Full scale reading: 0-0.999 PF ., Type: 4½ Digital Meter.
Meter
Display: 4½ Digit, Class of accuracy: 0.5
Import & Export Individual import / export selector switch for individual phase shall be provided.
mode
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11
12
13
14
15
16
17
18
Frequency Meter To read the Input Frequency, Full scale reading: 0-100Hz .
Type: Digital Display: 4½ Digit, Class of accuracy: 0.5
Burden
3 x200VA at 330V for Voltage circuit
3 x 500VA at 100A & 200A for Current circuit
Mains
Three Phase 4 Wire 415V ± 10%, 48-52 Hz power supply.
· Mains ON/OFF switch shall be provided.
· Push to ON & push to OFF, Illuminated push button switches for voltage Circuit.
· Push to ON & push to OFF, Illuminated push button switches for current circuit.
· Emergency Stop Push Button
Indication lamps a) Mains ON indication lamp R – Phase.
b) Mains ON indication lamp Y – Phase.
c) Mains ON indication lamp B – Phase.
d) Phase sequence reverse ON indication lamp.
e) Emergency Indication ON lamp.
f) Tower lamp indication for voltage and current circuit ON.
Protections
· Input MCB.
· Electronic Over current protection circuit.
· Electronic Voltage over load and short circuit MCB protection circuit.
· Emergency Push button for emergency shutdown.
Source output
Source output Terminals shall be provided on the LHS panel, below meter mounting arrangement.
Terminals
• Insulated bannana socket terminals for voltage R-Y-B-N.
• Bakelite terminals (for 10A & 100A) will be provided for Current.
• Bolt & Nut terminals (for 200A) will be provided for Current.
Suitable safety cover shall be provided for Source output Terminals.
Connecting Cables Flexible colour coded cables of suitable rating shall be supplied along with the equipment.
Three phase four wire and earth for main supply cable of length 2 meters provided.
Two sets of output cables for voltage (R-Y-B-N) for 2 meters length. Provision for one end with safety
banana plug and other end with crocodile clip.
One set of current (R-Y-B, IN and OUT ) for one meters length (provide separate cables for up to 20A and
200A separately)
Provision for current cables one end with suitable ring type lugs and other ends with suitable pin type lugs
of suitable rating.
Calibration
The calibration of Phantom load source will be carried out by CPRI at the time of installation &
commissioning.
The calibration results shall adhere to the specification of Phantom load source, failing which the
equipment will be rejected.
Page 4 of 5
19
General Terms and After supply, the equipment shall be demonstrated to CPRI engineers.
conditions
Operating manual with trouble shooting chart shall be submitted at the time of delivery of equipment.
20
Dimension
To be specified by the bidder
21
Warranty
Three years form the date of installation.
PN : 1. A detailed technical catalogue/literature/pamphlet and any other technical details shall be sent in hard copy in a sealed cover super scribing tender enquiry number
and due date so as to reach the following address within the due date and time. This is very much essential to evaluate your offer.
2. The supplier shall fill all the points in GTP columns as per the above format given in the specification.
3. The supplier shall submit the offer in the above format only with compliant statement. Each page shall be duly signed with company seal, failing which the offer will not be
considered for evaluation.
Address : Joint Director (Purchase)
Central Power Research Institute, Sir C.V. Raman Road, P.B.No.8066, Bangalore-560 080.
PH. No.080-23602919/23602829. Extn: 2271/2274.
Fax : 080 - 2360 4446
Page 5 of 5