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| # | Company | Status |
|---|---|---|
| 1 | Admitted-Finance PLOT NO 36 FLAT NO D 1ST CROSS STREET GOWRI NAGAR MUGALIVAKKAM CHENNAI TAMILNADU 600125 | CHENNAI | TAMIL NADU | 600125 | Admitted-Finance |
| 2 | Admitted-Finance PLOT 12 TVR RESIDENCY ABDUL KALAM NAGAR SENEERKUPPAM KANCHIPURAM TAMIL NADU 600056 | THIRUVALLUR | TAMIL NADU | 600056 | Admitted-Finance |
| 3 | Admitted-Finance | Admitted-Finance |
| 4 | Admitted-Finance NO 2 429 MOUNT POONAMALLEE ROAD AYYAPANTHANGAL CHENNAI AYYAPANTHANGAL KANCHIPURAM TAMIL NADU 600056 | THIRUVALLUR | TAMIL NADU | 600056 | Admitted-Finance |
| 5 | Not Admitted-Finance NIGEEN HAZRATBAL SRINAGAR | Not Admitted-Finance Not qualified for AOC |
Tender Value
₹5.2 L
Closing Date
10 Jan 2022, 4:00 pmClosed
Executive Engineer
GENERATION DIVISION LJHP GANTAMULLA BARAMULLA
Inspection and Relay Testing of complete control and protection system of power house for 3 into 35 MW LJHP power house
2021_SPDC_155578_1
E NIT No 28 of 2021-22 Dated 30.12.2021
Open Tender
Electrical Works
Item Rate
30 days
LJHP Power House
Please refer Tender documents.
7 documents required · 7 mandatory
₹1,500
Yes
Executive Engineer
Exempted
17 Feb 2022
31 Dec 2021
11 Jan 2022
31 Dec 2021
10 Jan 2022
31 Dec 2021
Amount
Complete cleaning, inspection & relay testing (Secondary injection testing) of Electro mechanical relays installed for three Units in LJHP power house as per standard operating procedures (SOPs) & standards and correction/ replacement is to be done, if required. The main relays installed at C&R panels are as following: a. Generator Differential Relay CAG type - 1 No b. Over Voltage Relay VDG type - 1 No c. Restricted E/F Relay CAG type - 1 No d. Auxilliary Generator Over flux - 1 No e. Auxilliary PT fuse relay - 2 No f. GTT (98/98A) - 1 No g. Definite Time relay (VAT) - 1 No h. Negative Phase Sequence Relay - 1 No i. AVR PT fuse failure supplementary relay - 1 No j. Instantaneous Over Voltage relay type VAGM - 1 No k. Metering & Protection PT fuse failure Supervision - 1 No l. Triping Relays (3AR1, 3AR2 & 3AR3) - 3 No m. Over Current HV side Unit Auxilliary Transformer CDG type - 2 No n. GT Overall Differential Protection - 1 No o. Generator Over current CDV type - 1 No p. Neutral Displacment Relay type VDG (64GX), Stator E/F - 1 No q. Auxilliary relay type VAA - 10 No r. Trip Supervision circuit type VAX - 1 No s. Auxilliary Relay Bucholz (VAA type), Oil & Winding Temp - 3 No t. Emergency Shutdown (Definite Time relay type VAT) - 1 No
Complete cleaning, testing & inspection of Electro mechanical relays installed for four numbers of 33KV outgoing feeders in LJHP power house as per standard operating procedures (SOPs) & standards and correction/ replacement is to be done, if required. The main relays installed at C&R panels are as following: a. Tripping Circuit supervision relay type VAX-03 No b. Tripping Relay type VAJ - 03 No c. Auxilliary relay type VAA - 03 No. d. Directional E/F relay IDV - 03 No. e. 3-in-1 Relay(O/C-E/F-O/C) - 03 No. f. Ashida Numerical Relay OC/EF-01 No g. Auxilliary Tripping relay-01 No.
System Protection
ETRICALS ENGINEERS PRIVATE LIMITED
Voltech Engineers Pvt Ltd
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