THREE PHASE WINDING RESISTANCE METER

Transcription

1 GUJARAT ENERGY TRANSMISSION CORPORATION LTD. SARADAR PATEL VIDYUT BHAVAN, RACE COURSE, BARODA TECHNICAL SPECIFICATION FOR THREE PHASE WINDING RESISTANCE METER GETCO/E/TS TEST EQUIP 03 WRM/R0 February-14 Signature & Seal of Bidder Page 1 of 18

2 SPECIAL INSTRUCTIONS TO BIDDER Please read following instructions carefully before submitting your bid. 1. All the drawings, i.e. elevation, side view, plan, cross sectional view etc., in AutoCAD format and manuals in PDF format, for offered item shall be submitted. Also the hard copies as per specification shall be submitted. 2. The bidder shall submit Quality Assurance Plan with the technical bid. 3. The bidder shall have to submit all the required type test reports for the offered item. In absence of this, the evaluation shall be carried out accordingly as nonsubmission of type test reports. 4. The bidder must fill up all the points of GTP for offered item/s. Instead of indicating refer drawing, or as per IS/IEC, the exact value/s must be filled in. 5. All the points other than GTP, which are asked to confirm in technical specifications must be submitted separately with the bid. 6. The bidder is required to impart training in view of manufacture, assembly, erection, operation and maintenance for offered item, at his works, to the person/s identified by GETCO, in the event of an order, free of cost. The cost of logistics will be borne by GETCO. 7. Please note that the evaluation will be carried out on the strength of content of bid only. No further correspondence will be made. 8. The bidder shall bring out all the technical deviation/s only at the specified annexure. Signature & Seal of Bidder Page 2 of 18

3 SECTION: I QUALIFYING REQUIREMENT FOR SUPPLY OF THREE PHASE WINDING RESISTANCE METER 1) The bidder shall be Original Equipment Manufacturer (OEM). The bidder shall have proven experience of not less than 5 years in design, manufacture, supply and testing (as per IS/IEC) at the works of equipment / material offered for equal or higher voltage class application. Bidder shall confirm the same with the documentary evidence. 2) Those bidders who cannot meet the requirement above, but are being authorized by OEM for sales can also participate, provided they hold valid ongoing authorization with OEM for supply, testing, repairing, etc for the offered type and class test equipment since last three years. They shall submit authorization for joint undertaking with OEM for accepting joint and several liabilities of all obligations under the contract and performance letters along with technical bid. 3) The bidder shall submit performance certificate of at least two STU (State Transmission Utilities) or CTU (Central Transmission Utilities) in support of the satisfactory operation of the offered test equipment for a minimum period of 3 years. 4) The bidder shall have service infrastructure including trained manpower in India. Details shall be submitted with technical bid. 5) The minimum requirement of manufacturing capacity of offered type, size and rating of equipment shall be FIVE times tender/ bid quantity. The bidder should indicate manufacturing capacity by submitting latest updated certificate of a Chartered Engineer (CE). The manufacturer shall have adequate design infrastructure and procedures including quality control and demonstrate the same in the technical bid through relevant documents. 6) The bidder should clearly indicate the quantity and Single Value Contract executed during last FIVE (5) years, for the offered equipment. Bidder should have executed one single contract during last five years for the quantity equivalent to tender / bid. Offered type and class test equipment shall be in service, in India, for not less than 3 years as on the date of bid opening. The details are to be submitted in following format, Sr. No ITEMS SUPP LIED TO ORDER REFERE NCE No. & DATE ITEMS QUANT ITY ORDER FULLY EXECUTED. YES/NO STATUS, IF ORDER UNDER EXECUTION REMAR K Signature & Seal of Bidder Page 3 of 18

4 SECTION II GENERAL TERMS & CONDITIONS FOR THREE PHASE WINDING RESISTANCE METER 1.0 SCOPE: 1.1. This section covers the scope of supply and delivery of winding resistance meter, in line with this specification and as detailed in the Schedule of requirements, complete with all accessories required for safe, efficient, satisfactory and trouble free operation of the test equipment. The scope also include following aspects. A. The design, manufacturing and complete testing at manufacture s works. It shall meet the requirement of diagnostic testing of Multi terminal High Voltage Equipment viz. Power Transformers, Tap changers, Reactors etc. B. Demonstration of the offered equipment as detailed in the equipment schedule. C. Supply of winding resistance meter along with all mandatory tools, accessories like cables, switches, indicating lamp, warning lamp, etc or anything required for successful working including requirement for first testing and commissioning to provide self contained and ready to use test equipment as per this specification. The same shall be specified in below format. Sr. No Description Qty required Make and type (Mandatory tools & accessories for successful working in the scope of supply are to be mentioned.) D. Acceptance tests as per the relevant standards. E. Testing and commissioning at site. F. F.O.R. destination supply of completely assembled test equipment. G. It is not the intent to specify completely all the details of the design and construction of the equipment. However, the equipment shall conform in all respects to high standards of engineering; design and workmanship as per Principal Technical Parameter with necessary/required Type test and shall be capable of performing continuous commercial operation up to the supplier s guarantee & expected life of equipment. In a manner acceptable to the purchaser, who will interpret the meaning of drawings and specifications, and shall have the power to reject any work of material which, in his judgment is not in accordance therewith. The offered equipment shall be completed with all components necessary for their effective trouble free operation. Such Signature & Seal of Bidder Page 4 of 18

5 components shall be deemed to whether those are specifically brought out in this specification and/or the commercial order or not. H. Furnishing of test certificates of test Set and associated equipment/accessories. I. List of testing and commissioning of supplied equipment at site during last five years. J. The successful bidders have to submit three sets that comprises of external and internal cable connection diagram, GA, Technical parameters, drawings, commissioning and maintenance manuals with all operational /optional features for approval. Design, material selection and workmanship shall be such as to result in neat inner and outer appearance with no weld, rivets or bolt heads apparent from outside and with all exterior surface proper and smooth. Necessary life time licensed copy of interfacing and analysis software with test kit should be supplied free of cost with test equipment. 2. STANDARDS Unless otherwise specified elsewhere, in this specification, the rating, performance and testing of test set shall confirm to the latest revisions, available at the time of placement of order of the relevant standards as below. STANDARD NO IEC IP 54 IEC IEC IEC IEC IEC IEC IEC IEC IEC IEC IEC IEC IEC IEC STANDARD TITLE Safety requirement for electrical equipment for measurement, control and laboratory use. Degree of Protection EMC Electrostatic Discharge Radio Frequency AM Electromagnetic Field Fast Transients Surge immunity Test. Power Frequency Magnetic Field Dips test Generic Standards Shock Resistant (operation) Vibration during transport and operation Drop Test Shock and bump & Bumping during transport Environmental Testing Signature & Seal of Bidder Page 5 of 18

6 3. PRINCIPAL TECHNICAL PARAMETERS The Three Phase Winding Resistance Meter covered in these specifications shall have the technical requirements listed as below. It shall 1. Measure the value with specified accuracy in energized switch yard up to 420 KV. 2. Be capable of measuring winding resistance of Transformer, Reactors Generators, motor, tap changers etc. 3. Have specified protection circuit for suppression of inductive voltage kick back. 4. Have beeper tones and LED indication for current injection. 5. Have alphanumeric LCD display for current, resistance and menu. 6. Have discharge indication. 7. Have check for correct polarity & protection against wrong connections. 8. Be capable of rapid stabilization of test results. 9. Be able to measure resistance of 3 windings simultaneously. 10. Have built in discharge/demagnetization circuit which safely discharges meter in case of loss of power during test and between successive measurements. 11. Measure on the basis of four terminal Kelvin bridges and no lead compensation required. 12. Be capable to communicate with PC/Laptop using compatible data acquisition software. 13. Be capable to store 256 resistance readings or more in built in storage device. Technical parameters Power supply unit Input voltage & freq. : 230V AC+ 10%, 50Hz + 5% Burden : 400 VA Open ckt. Voltage : 30 V DC minimum Output power : > 300 VA at extreme range. Measured parameter specification Range Accuracy Resolution D.C. continuous current range Environmental parameters Operating temperature range Humidity Protection: Over temperature by solid state sensor. Thermal management: By cooling fans : 1 mω to 500 Ohm : + 0.5% of value + 5 counts or better : 0.1 µω at extreme range or better : 1A, 5A, 10A or higher Amp. range : 0 to 50 deg. C : 90% RH non condensing Communication with PC/Laptop :- RS232/USB/Ethernet Signature & Seal of Bidder Page 6 of 18

7 General: The length of cable from measuring equipment to kit shall not be less than 15 meters. It shall be provided with suitable end terminations. The shorting links should be of minimum 6 meter length. Testing lead clamps suitable for transformer bushing studs shall have minimum 60mm diameter. The P.C/Laptop communication port shall be galvanically isolated from power supply. The software shall be compatible to Windows operating system like Windows XP and higher versions. Any future up gradation in software has to be provided at free of cost by supplier. A separate earthing terminal shall be provided in addition to the earthing pin provided in power supply socket 4. TYPE TESTS The equipment offered shall be fully type tested as per the relevant standards. Type Test reports shall be submitted along with offer. The reports shall not be older than five years but shall be valid up to expiry of offer. The bidder shall furnish, all required type test reports, conducted in NABL accredited National / Foreign lab, as per relevant IS/IEC or any equivalent standard of the equipment being offered. 1) Degree of protection 2) Accuracy Test. 3) EMC 4) Environmental Testing 5) Vibration 6) Shock and Bump Test 7) Safety requirement for electrical equipment for measurement, control and laboratory use 8) Surge immunity Test The purchaser reserves the right to demand repetition of some or all the type test in presence of the purchaser representative. For this purpose bidder may quote unit rate for carrying out each type test In case equipment has not been type tested earlier, then entire type tests as per relevant standards shall be carried out by the successful bidder in the presence of purchaser representative without any extra cost without affecting delivery schedule and free of cost to GETCO. 5. ACCEPTANCE AND ROUTINE TESTS Signature & Seal of Bidder Page 7 of 18

8 5.1. All acceptance and routine test as stipulated in the relevant standards shall be carried out by the supplier in presence of Purchaser s representative without any extra cost Immediately after finalization of the programme of type/ acceptance/ routine/ testing the supplier shall give two weeks advance intimation to the purchaser to enable him to depute his representative for witnessing the tests. 6. INSPECTION DURING MANUFACTURING 6.1. The inspection may be carried out by the purchaser at any stage of manufacture. The successful bidder shall grant free access to the purchaser s representative at a reasonable time when the work is in progress. Inspection and acceptance of any equipment under this specification by the purchaser shall not relieve the supplier of his obligation of furnishing equipment in accordance with the specifications and shall not prevent subsequent rejection if the equipment is found to be defective The supplier shall keep the purchaser informed well in advance, about the manufacturing program so that the arrangement can be made for inspection The purchaser reserves the right to insist for witnessing the acceptance routine testing of bought out items. 7. QUALITY ASSURANCE PLAN 7.1 The bidder shall invariably furnish along with his offer the quality assurance plan adopted by him/his sub-supplies in the process of manufacturing all major equipment/component. 7.2 Precaution taken for ensuring usage of quality raw materials and sub- components shall be stated in the quality assurance plan. 7.3 The bidder should specifically express their consent to accept additions, revisions to their quality assurance plan to meet the purchaser s requirements if needed. The final quality assurance plan to be adopted, with mutual consent, shall be decided after discussion with successful bidder. 7.4 The offers are likely to be rejected if the quality assurance plan & details as per clause No. 7.1 to 7.3 are not submitted along with the offer. 8. GUARANTEE 8.1. All the equipments supplied against this specification shall be guaranteed for defects/ performance for a period of 36 months from the date of commissioning Any engineering error, omission, wrong provision, equipment failure etc., if found during actual commissioning of the equipment shall be attended by the bidder at free of cost During guarantee period if test kit remains out of service for more than six days for repair, the spare kit should be handed over to concern consignee. It will be handed over back to supplier on repair & receipt of original set. Signature & Seal of Bidder Page 8 of 18

9 8.4. During guarantee period, if any defect observed, it is bidder responsibility to collect kit from site/ consignee to attend the same On each failure of test set, supplier shall submit detailed report of failure analysis to transmission wing, corporate office, GETCO, invariably DEMOSTRATION: During technical scrutiny of the bid, purchaser will ask to demonstrate the offered equipment at purchaser s site. The bidder shall demonstrate the test equipment within one week of intimation from purchaser. The purchaser will evaluate the suitability of product for their application, present practice & test equipment used. Based on demonstration, the purchaser decision will be final & unchallenged for acceptance/ non acceptance of product even, if product will comply other tender s terms Bidder shall submit the call for inspection and acceptance test at works 10 days prior to proposed date. 9. DOCUMENTATION 9.1. The bidder shall furnish as a part of their offer, complete set in triplicate of technical literature/ manuals, and typical schematic drawings of test equipment offered by them. 10. PACKING AND TRANSPORT All equipment/ material shall be suitably packed for transport, carriage to site and outdoor storage during transit. The bidder shall be responsible for any damage to the equipment during transit and it should be replaced without any extra cost The cases containing material shall be very carefully packed and marked with appropriate caution symbols i.e. FRAGILE, HANDLE WITH CARE, USE NO HOOK etc. The contents of each package shall bear marking that can be readily identified from the package list Packing shall provide complete protection against moisture, termites and mechanical shocks etc. The moisture absorbent material like silica or other substance should be packed in cotton bags and placed inside the packing Wherever necessary proper arrangement for attaching slings for lifting shall be provided and all packages clearly marked with gross weight, signs showing UP and DOWN sides of boxes, contents of each package, order no. and date, name of the plant/ss/ of which the material in the package forms part of and any handling and unpacking instructions considered necessary. Signature & Seal of Bidder Page 9 of 18

10 10.5. Any material found short inside the packing case, shall be supplied by the manufacturer/ supplier without any extra cost within 15 days Bidder shall ascertain, prior to shipment, from concerned authorities, the transport limitations like weight, maximum allowable package size for transportation, material fragile or not etc Each consignment shall be accompanied by a detailed packing list containing the following information : 11. TRAINING a. Purchase order reference b. Name of consignee c. Details of consignment d. Destination e. Total weight of consignment f. Handling & unpacking instructions g. Bill of materials indicating contents of each package h. Sign showing upper/ lower side of crate, fragile material or not etc The Successful bidder shall be required to provide training at GETCO site i.e. at each circle (13 nos.) of GETCO, at no extra cost. The training should cover the theory and hands on training of: a. Familiarization with instrument & its parts b. Procedure of installation, testing & commissioning c. Procedure for site calibration d. On hand testing of different electrical equipments i.e. TRF, CT, PT etc. e. Demonstration of software provided with equipment f. Field maintenance & troubleshooting of equipment g. Creating/ Maintenance of data base To and Fro charges, logistics, lodging, boarding shall be borne by bidder for test set and their representative The programme of the training shall be mutually discussed and finalized by the purchaser. 12. SCHEDULES The bidder shall fill in the following schedules which form part of the tender specification and offer only signed stamped. Signature & Seal of Bidder Page 10 of 18

11 Schedule B Schedule C Schedule D Schedule E Schedule F Guaranteed Technical Particulars (GTP) Schedule of bidder s past supply with performance certificates bidder s supply capability Requirement of first testing & commissioning of kits Recommended Spares/list of consumables If the schedules are not submitted duly filled in with the offer, the offer is likely to be rejected Unless otherwise brought out separately by the bidder, the test set offered shall be deemed to conform to the specification, as listed in this tender, scrupulously For any deviation from the specification which is not specifically brought out in the schedules shall be supported by authentic documents, standard and clarification, otherwise the offer may be liable for rejection. Any deviation from the specification shall be highlighted giving reasons and unit prices Bidder shall submit the list of orders for similarly type of equipment, executed or under execution, with full details in the schedule of tenders experience (Schedule C ) to enable the purchaser to evaluate the offer. If the equipment is being designed and manufactured in collaboration with other manufacturer, the following additional information shall be submitted by the bidder along with his offer. a. Copy of authorization between the Bidder and manufacturer. b. List of order for offered equipment, executed/ being executed by the supplier 13. INFORMATION TO BE FILLED INVARIABLY BY THE BIDDER For ready reference of the purchaser, the items of information required to be invariably furnished by him in his offer, are listed below: a. Copy of the authentic English translation of each of the standards to which the offered equipment conforms in case these are other the standards specified in this specification. b. Schedule B, C, D, E, F 14. UNIT RATE FOR THE CABLES AND OTHER ACCESSORIES The bidder has to submit along with their offer unit rate of all type of cables and accessories required for trouble free operation of the test set for minimum 10 years. The offers without above unit rate are likely to be rejected The above unit rate shall be kept valid till the expiry of guarantee period. Signature & Seal of Bidder Page 11 of 18

12 14.3. The purchaser reserves the right for selection of items & quantities for the spares to be ordered. 15. GURANTEE FOR MAINTENANCE SPARES AND SERVCIES The bidder shall guarantee for supplying maintenance spares, services, repairing of test set & calibration of test set for a period of life expectancy i.e. 20 Years. Signature & Seal of Bidder Page 12 of 18

13 SCHEDULE: B: GUARANTEED TECHNICAL PARTICULARS (TO BE FILLED IN BY THE BIDDER AND FURNISH WITH TECHNICAL BID) The GTP is to be filled up in this format and, in the page of Tender Specification only, to be submitted in duplicate along with the offer. The bidder shall fill in the particulars against appropriate items in respect of each rating and type of equipment offered in the broad categories listed below: Sr. Description of Technical Parameter of the particular No. Kit / Equipment Three Phase Winding Resistance Meter A Make B Type /Designation 1 Input voltage with tolerance 2 Frequency with tolerence 3 Burden at maximum current range 4 Open circuit. voltage 5 Output power Measured parameter specification 6 Range of Resistance 7 Accuracy 8 Resolution at extreme range 9 D.C. continuous Current range Environmental parameters 10 Operating temperature range 11 Humidity range 12 Thermal management device used General 13 No. of windings whose resistance can be measured simultaneously 14 Capability of measurement with specified accuracy in energized switchyard up to 420 KV?(Yes/NO) 15 In built protection circuit for suppression of Inductive voltage kick back? (Yes/No) 16 Availability of beeper tones and LED indication during current injection?(yes/no) 17 Availability of discharge indication? (Yes/NO) 18 Check for correct polarity and protection against wrong connections? (Yes/NO) 19 Capability of rapid stabilization (Yes/NO)? Define maximum time in second/minutes. 20 Availibity of built in demagnetization/discharge circuit in case of loss of power and between successive measurement?(yes/no) 21 Measurement method Rating/ Range Signature & Seal of Bidder Page 13 of 18

14 22 Cable length (Test leads) in meters. 23 Make & Type of Cable 24 Type of display on meter with Size 25 PC/Laptop Communication facility Rs-232 /USB /Ethernet 26 P.C/Laptop communication port shall be galvanically isolated from power supply. (Yes/No) 27 In built storage capacity of resistance results. 28 Name of data acquisition software and compatibility with windows operating system 29 Agree to upgrade software in future at free of cost 30 Availability of separate earthing terminal on kit (Yes/No) 31 Degree of protection 32 Size (LBH) & Weight 33 Applicable standards 34 List of Acceptance Tests 35 Protective case /cover bag 36 Length of shorting links in meter 37 Diameter of testing lead clamps suitable for transformer bushing studs in millimeter Signature & Seal of Bidder Page 14 of 18

15 SCHEDULE: C Schedules of Bidder s Past supply with performance certificates Bidder shall furnish here a list of similar orders executed/ under execution by him and name of persons to whom the reference may be made by the purchaser in case he considers such reference necessary along with performance certificates. Sr. No Name and description of work No and value of work Date of commissioning Client Persons to whom reference be made Signature & Seal of Bidder Page 15 of 18

16 Sr. No SCHEDULE: D BIDDERS SUPPLY CAPABILITY Order pending with bidders Commitment for set (Against pending orders) during the delivery period Order Client Qty Ref guaranteed in this bid Capability of supply in terms of rating and quantity per year. Signature & Seal of Bidder Page 16 of 18

17 SCHEDULE: E REQUIREMENT FOR FIRST TESTING AND COMMISSIONING OF KIT s 1) I shall provide instruction manual, all drawing, literature etc., for the test set to be supplied, write up for testing and commissioning procedures, setting calculation etc., detailed circuit diagrams with trouble shooting protocols to all consignee destination as well as to the transmission department of corporate office, GETCO, Vadodara. 2) The successful bidder has to do first testing/commissioning of the test set, by deputing his service engineer free of cost. The 10% value of order is to be retained over and above the money retained as per payment terms of the GETCO and the same is to be released after satisfactory first testing and commissioning of the set. Date: Place: Name: Signature of bidder: Seal of the Bidder: Signature & Seal of Bidder Page 17 of 18

18 SCHEDULE: F List of Recommended spares/ List of consumables Sr. No. Name of testing kit / equipment Particulars of recommended spares QTY. 1 Sp. Tools 2 Any other (if required list below) 3 cable 4 Accessories NAME OF THE FIRM SIGNATURE OF THE BIDDER DESIGNATION DATE SEAL OF THE COMPANY Signature & Seal of Bidder Page 18 of 18