PURCHASE DIVISION
DEPARTMENT QUALITY MANUAL
Revision No.
Dt of Revision
:
02
: 17.9.2012
Issue No:
: 2
Issue Dt. : 30.06.2003
Page No.
: 1 OF 3
Section
Topic
Issued by
: QA
: 0
: FORMAT 6 OF PROCUREMENT PROCEDURE OF CPRI (NON-WORKS)
Document
:
DQM-01
FORMAT NO.:PUR/TENDDOC/P6/06
CPRI
www.tenderwizard.com/CPRI
Section II -Technical Specification
Tender Enquery No : PUR/DCCD-06/16-17
Name of the Equipment: 600 kV, 4200 kVA, AC Test system
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 within 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
CPRI Specification/Requirements
Technical Specification for
4200 kVA, 600 kV Outdoor AC Test System
To conduct Pre-qualification test on
Underground EHV XLPE cable system.
Qty To be completed by the Bidder
Guaranteed
Deviation/Remarks
Technical Particulars
Specify if any
(GTP)
1
SET
Application of Test system : The test system is required to conduct Heating Cycle Voltage test (Cl.
13.2.3 of IEC 62067- 2001) under pre-qualification (PQ) test on EHV grade XLPE power cables
and cable accessories (Joints and Terminations). Length of the cable system for pre-qualification
test would be in the range of 100 meters to 150 meters.
Standard refered
1. PQ test: Cl. 13.2 of IEC 62067- 2011
2. Test system shall meet the requirements of IEC 60060 Parts 1 & 2 (Latest Version).
Page 1 of 8
Name of the Vendor:
Offer Number and Date
Sl.No.
Parameters
CPRI Specification/Requirements
Scope : AC Test system shall be suitable for ONE YEAR continuous energization of underground EHV
XLPE Power cables and cable accessories (Joints and Terminations) to test voltages as per Table 3
of IEC 62067-2011 and Cl. 13.2 of IEC 62067- 2011 for Heating Cycle voltage test .
1
Rating of AC Test system
2
Input Supply
Rating of AC Test system:
• Output: 4200 kVA, 600 kV AC.
• Capacitance range of test sample: Typical values of Capacitance of
EHV XLPE cables are given below:
220 kV: 0.25 Micro Farad /km
400 kV: 0.22 Micro Farad /km
Length of the cable for testing: 100 meters to 150 meters.
Capacitance of the voltage divider and Coupling capacitor will be
extra.
• Installation of Test sample: Outdoor
• Installation of AC test system: Outdoor
• Duty cycle : Continuous for ONE YEAR
• Type of cooling: ONAN
• Partial discharge level : Less than 5 pC
• Noise Level: Less than 80 dBA at 2 meters from the test system.
Note: Resonance transformer test system for the above application
is not preferred.
Phase to Phase two wire 415 V ± 10 % , Frequency 50± 2 Hz.
The test system shall have suitable compensation to limit input
power requirement of the test system to 300 KVA (maximum).
Energy efficient system with stabilized output voltage will be
preferred.
Page 2 of 8
Qty To be completed by the Bidder
Guaranteed
Deviation/Remarks
Technical Particulars
Specify if any
(GTP)
Name of the Vendor:
Offer Number and Date
Sl.No.
Parameters
3
Special Requirements
4
Control and measuring system (
provision for both Manual and
Computerized operation shall be
available)
CPRI Specification/Requirements
a) Test system shall have suitable design to accommodate input
supply fluctuations with reference to voltage and frequency like
slow & medium fluctuations and very fast transients, so that the
output of the transformer will be stable as per relevant IEC
standard during ONE YEAR continuous energization at full load.
b) Test system shall have suitable design to accommodate changes
in environmental conditions (like rain, etc.,) and output voltage of
the transformer shall be stable as per relevant IEC standard during
ONE YEAR continuous energization at full load.
c) Test system shall be capable of withstanding flashover and shortcircuit during its usage.
d) Test system shall have suitable Basic Insulation Level as per
relevant IEC standard.
e) Test system shall be mounted on a mobile base.
a) For switching ON, OFF, increase, decrease of voltage,
compensation /tuning of the reactor for the required load
capacitance (as applicable)
b) Output voltage of the transformer shall be sensed through the
secondary of the transformer with the help of suitable voltage
divider.
c) Monitoring, Digital recording ,storing and printing of test
parameters like current, voltage, frequency continuously
d) The system shall support the existing LAN facility of CPRI
5
Necessary software for
(a) In case of power interruption, test should start from where it
conducting automated testing for has stopped. In other words, test duration shall be counted only
8760 hours shall be provided.
after the test conditions of the cable system prior to power
interruption are attained
(b) Suitable software to select print menu for printing test data in
digital and graphical format.
Page 3 of 8
Qty To be completed by the Bidder
Guaranteed
Deviation/Remarks
Technical Particulars
Specify if any
(GTP)
Name of the Vendor:
Offer Number and Date
Sl.No.
Parameters
6
Display
7
Protection & Tripping
8
CPRI Specification/Requirements
Digital display for relevant input and output test parameters and
other settings like current, voltage, ambient temperature,
frequency, protection & tripping, day, date and time, etc.
The system shall have the following protection & tripping facilities
and limits to be mentioned.
(a) Input over current
(b) input over voltage
(c) Output over current
(d) Output over voltage
(e) Output voltage trip due to flashover and / or breakdown of test
sample
(f) Emergency trip switch on the control panel.
(g) Transformer oil temperature high and transformer winding
temperature high
(h) Any other, if required.
High Voltage Capacitor Divider 1 nF, 600 kV, with PD level < 5 pC with 4 ½ digit metering module
(outdoor)
along with calibration certificate traceable to ISO / IEC 17025 2005 requirements. This shall be supplied as an additional voltage
measuring device.
9
Harmonics
10
Manuals
Total Harmonic content shall not exceed 5 % of the rms value of
the fundamental ( Cl. 16.1.1 of IEC 60060- 1:1989)
Two sets in English to be supplied in hard copy
• Operation and maintenance
• Drawings
• Copy of Software along with validation
• Electrical / instrumentation
• Technical / service manual
Page 4 of 8
Qty To be completed by the Bidder
Guaranteed
Deviation/Remarks
Technical Particulars
Specify if any
(GTP)
Name of the Vendor:
Offer Number and Date
Sl.No.
Parameters
11
Calibration
12
Environment
CPRI Specification/Requirements
The instrument shall be calibrated from ISO/IEC 17025 accredited
laboratories. The calibration certificates shall contain the
information uncertainty calculations and certificate traceable to
international standards shall be supplied along with the
instrument.
a) Installation : OUTDOOR
b) Pollution: Medium
c) Ambient temperature : 10 ºC to 45 ºC, Average:30ºC
c) Altitude : 921 m above MSL
d) Relative humidity: 10 to 95 % (non-condensing)
Page 5 of 8
Qty To be completed by the Bidder
Guaranteed
Deviation/Remarks
Technical Particulars
Specify if any
(GTP)
Name of the Vendor:
Offer Number and Date
Sl.No.
Parameters
13
Pre-dispatch Inspection &
Testing
CPRI Specification/Requirements
Pre-dispatch Inspection & Testing shall be as follows:
(a) No load & Full load test up to 500 kV and at Max kVA rating.
(b) All safety features to be demonstrated.
(c) Demo of Harmonics level
(d) Test system to be tested at full Load & at Full Voltage Rating for
4 days continuously at the manufacturer works. Oil and winding
temperature to be monitored.
(e) Noise level measurement
(f) Partial discharge measurement on test system to demonstrate
PD level < 5 pC at 600 kV.
(g)Partial discharge measurement on high voltage
capacitor Divider to demonstrate PD level <5 pC at 600 kV.
The system will be inspected by CPRI Engineers at the
manufacturers work before dispatch. Manufacturer should impart
hands on training free of cost, for two CPRI Engineers for minimum
5 days at the manufacturer’s works. During the Pre-Dispatch &
training period, the cost of to and fro air travel tickets from
Bangalore to manufactures place, shall be borne by the
manufacturer
14
Data Interface and acquisition
system
Preferably through a Branded industrial PC (HP/ COMPAQ/
IBM/ DELL) with minimum 3 GHz i3 or i5 processor, 500 GB
HDD, 2 GB DDRAM or higher, 32 Mb Integrated graphics, Built in
Ethernet card, DVD read/write, 19” TFT color monitor, optical
mouse, Internet ready keyboard and laser printer with minimum
32 Mb RAM, and appropriate RS 232 / USB interface card/cables
etc. The system should be pre loaded with licensed and registered
software: Operating system, Anti-virus, MS Office, PD software.
Page 6 of 8
Qty To be completed by the Bidder
Guaranteed
Deviation/Remarks
Technical Particulars
Specify if any
(GTP)
Name of the Vendor:
Offer Number and Date
Sl.No.
Parameters
15
19
CPRI Specification/Requirements
Installation, Commissioning and The system shall be commissioned at the laboratory of CPRI,
Training
Bangalore, by the Supplier. Necessary Logistics during
commissioning and installation shall be arranged by the supplier.
After successful commissioning at CPRI laboratory, training on
operation and maintenance of the test system shall be given to
CPRI officials by experienced professionals at CPRI laboratories.
16
Acceptance tests at CPRI
laboratory
17
Warranty
18
AFTER SALES SERVICE
OPTIONAL ACCESSORIES
Demo of satisfactory performance of the system as per CPRI
specification.
Total System shall have 36 months comprehensive warranty from
the date of successful commissioning.
Service to be provided by local authorized agents for repair and
maintenance in case of instrument breakdown or technical
problems
Essential accessories may be quoted separately
Page 7 of 8
Qty To be completed by the Bidder
Guaranteed
Deviation/Remarks
Technical Particulars
Specify if any
(GTP)
Name of the Vendor:
Offer Number and Date
Sl.No.
Parameters
Note
CPRI Specification/Requirements
Qty To be completed by the Bidder
Guaranteed
Deviation/Remarks
Technical Particulars
Specify if any
(GTP)
a) Resonance transformer test system for the above application not
preferred. However kindly give the offer with detailed
specification and justification for its reliability.
b) Offers quoted in the above format will only be considered.
c) Each page of the offer shall contain signature and seal of the
bidder.
d) Firms having atleast 10 years experience in manufacturing the
above test system of the cited rating or higher only are eligible to
quote.
e) Customers list for the same to be furnished along with the offer
including date of supply, contact person, contact number, email ID,
etc.
f) The quotation shall include detailed diagrams of each
component, necessary circuit diagrams of the test system, floor
area layout, foundation requirement, necessary electrical
clearance, earthing, etc.
g) Necessary Catalogues / Brochures to be enclosed. Reference to
the Catalogues / Brochures in the offer shall clearly mention the
Item Number, Clause, Table, Page Number, Figures etc., and
appropriately highlighted in the Catalogues/ Brochures..
h) The offers with incomplete information or false compliance
statement are likely to be rejected.
h) If necessary, may have to organize for demonstration at any of
other customer’s place where it has been supplied earlier.
PN : 1. A detailed technical catalogue/literature/phamplet 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. Letter of authorization issued by the foreign Principal shall also be sent
by the Indian agents who have offered on behalf of their Principals.
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 8 of 8