Power Boards / Undertakings / PSU Closing in 10 days TDR #56715197

Tender for Station Transformer Differential Relays

Issued by Boards / Undertakings / PSU · paloncha, Telangana
Tender Value
Ref. Documents
Estimated cost
Bid Submission
23 Sep 2026
10 days left
EMD
Ref. Documents
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online

Tender Overview

Competition Type
NCB
Bidding Type
Tender
Location / State
paloncha → Telangana
EMD Exemption
Not Available
Quantity
Not Available

Project Description

Station Transformer Differential Relays , Transformer Differential Relay For 3 Windings With Configurable 16 No Binary Inputs Rated For 220 V Dc, Configurable 24 Binary Outputs Rated For 220 V Dc, Auxillary Voltage Is 220V DC, 16 Configurable Leds,Time Syn With Binary Input Or IRIG-B Signal,With 3 Winding Differential Protection With Zero Sequence Filters ,Inrush Current Detector, 3 No Restricted Earth Fault Protection,Over Fluxing Protection, Definte Time And Inverse Time Over Current Protection, 12 Current Inputs Rated For 1 A CT Secondary , 3 Voltages Rated For 110 V AC PT Secondary .Compatable With IEC61850, With Front Port For Relay Communication. Technical Details Of Transformer No 1 (ST 6B) 3 No Of CURRENTS: 2500/1A ,CLASS : PS From 11.5 Kv Side 1 No Of CURRENT For HIGH IMPEDANCE REF :2500/1A CLASS : PS From 11.5 Kv Side 3 No Of CURRENTS: 2500/1A ,CLASS : PS From 11.5 Kv Side 1 No Of CURRENT For HIGH IMPEDANCE REF : 2500 /1A CLASS :PS From 11.5 Kv Side 3 No Of CURRENTS: 1000/1A ,CLASS : PS From 400 Kv Side 1 No Of CURRENT For HIGH IMPEDANCE REF : 250/1 A , CLASS PS From 400 Kv Side TRANSFORMER RATIO: 400KV/11.5 Kv/11.5 Kv , 80 MVA , TRANSFORMER DIFFERENTIAL RELAY FOR 2 WINDINGS WITH CONFIGURABLE 16 NO BINARY INPUTS RATED FOR 220 V DC, CONFIGURABLE 24 BINARY OUTPUTS RATED FOR 220 V DC, AUXILLARY VOLTAGE IS 220V DC, 16 CONFIGURABLE LEDS,TIME SYN WIH BINARY INPUT OR IRIG-B SIGNAL,WITH 2 WINDING DIFFERENTIAL PROTECTION ,ZERO SEQUENCE FILTERS ,INRUSH CURRENT DETECTOR , 3 NO CURRENTS FOR HIGH IMPEDANCE RESTRICTED EARTH FAULT PROTECTION,OVER FLUXING PROTECTION, DEFINTE TIME AND INVERSE TIME OVER CURR ENT PROTECTION, 12 CURRENT INPUTS RATED FOR 1 A CT SECONDARY , 3 VOLTAGES RATED FOR 110 V AC PT SECONDARY..COMPATABLE WITH IEC61850, WITH FRONT PORT FOR RELAY COMMUNICATION. Technical Details Of Transformer No 1 (ST 6A) 3 No Of CURRENTS: 500/1A ,CLASS : PS From 220 Kv Side 1 No Of CURRENT For HIGH IMPEDANCE REF : 300/1A CLASS : PS From 220 Kv Side 3 No Of CURRENTS: 2750/1A ,CLASS : PS From 11.5 Kv Side 1 No Of CURRENT For HIGH IMPEDANCE REF : 3000/1A CLASS :PS From 11.5 Kv Side TRANSFORMER RATIO: 220KV/11.5 Kv , 50 MVA

Corrigendum

Sr No Corrigendum Date Corrigendum Type New Submission Date
1 22-Aug-2026 Due date extension for first time 02-Sep-2026
2 11-Sep-2026 Due date extension for second time 23-Sep-2026

BOQ

Sl. No. Item Name
1Transformer differential relay for 3 windings with configurable 16 no binary inputs rated for 220 V dc, configurable 24 binary outputs rated for 220 V Dc, auxillary voltage is 220v DC, 16 configurable LEDs,Time syn with binary input or IRIG-B signal,with 3 winding differential protection with zero sequence filters ,inrush current detector, 3 no restricted earth fault protection,over fluxing protection, definte time and inverse time over current protection, 12 current inputs rated for 1 A CT secondary , 3 voltages rated for 110 v AC PT secondary .compatable with IEC61850, with front port for relay communication. Technical details of transformer no 1 (ST 6B) 3 no of CURRENTS: 2500/1A ,CLASS : PS from 11.5 kv side 1 no of CURRENT for HIGH IMPEDANCE REF :2500/1A CLASS : PS from 11.5 kv side 3 no of CURRENTS: 2500/1A ,CLASS : PS from 11.5 kv side 1 no of CURRENT for HIGH IMPEDANCE REF : 2500 /1A CLASS :PS from 11.5 kv side 3 no of CURRENTS: 1000/1A ,CLASS : PS from 400 kv side 1 no of CURRENT for HIGH IMPEDANCE REF : 250/1 A , CLASS PS from 400 kv side TRANSFORMER RATIO: 400KV/11.5 kv/11.5 kv , 80 MVA
2TRANSFORMER DIFFERENTIAL RELAY FOR 2 WINDINGS WITH CONFIGURABLE 16 NOBINARY INPUTS RATED FOR 220 V DC, CONFIGURABLE 24 BINARY OUTPUTS RATEDFOR 220 V DC, AUXILLARY VOLTAGE IS 220V DC, 16 CONFIGURABLE LEDS,TIMESYN WIH BINARY INPUT OR IRIG-B SIGNAL,WITH 2 WINDING DIFFERENTIALPROTECTION ,ZERO SEQUENCE FILTERS ,INRUSH CURRENT DETECTOR , 3 NO CURRENTS FOR HIGH IMPEDANCE RESTRICTED EARTH FAULT PROTECTION,OVER FLUXING PROTECTION, DEFINTE TIME AND INVERSE TIME OVER CURR ENT PROTECTION, 12 CURRENT INPUTS RATED FOR 1 A CT SECONDARY , 3 VOLTAGES RATED FOR 110 V AC PT SECONDARY..COMPATABLE WITH IEC61850, WITH FRONT PORT FOR RELAY COMMUNICATION. Technical details of transformer no 1 (ST 6A) 3 no of CURRENTS: 500/1A ,CLASS : PS from 220 kv side 1 no of CURRENT for HIGH IMPEDANCE REF : 300/1A CLASS : PS from 220 kv side 3 no of CURRENTS: 2750/1A ,CLASS : PS from 11.5 kv side 1 no of CURRENT for HIGH IMPEDANCE REF : 3000/1A CLASS :PS from 11.5 kv side TRANSFORMER RATIO: 220KV/11.5 kv , 50 MVA

AI Tender Summary

OUR REF NO 56715197
AUTHORITY Boards / Undertakings / PSU
TENDER VALUE Ref. Documents
LAST DATE 23-09-2026
Authority
Authority Name Telangana Power Generation Corporation Limited
Work Description Station Transformer Differential Relays , Transformer Differential Relay For 3 Windings With Configurable 16 No Binary Inputs Rated For 220 V Dc, Configurable 24 Binary Outputs Rated For 220 V Dc, Auxillary Voltage Is 220V DC, 16 Configurable Leds,Time Syn With Binary Input Or IRIG-B Signal,With 3 Winding Differential Protection With Zero Sequence Filters ,Inrush Current Detector, 3 No Restricted Earth Fault Protection,Over Fluxing Protection, Definte Time And Inverse Time Over Current Protection, 12 Current Inputs Rated For 1 A CT Secondary , 3 Voltages Rated For 110 V AC PT Secondary .Compatable With IEC61850, With Front Port For Relay Communication. Technical Details Of Transformer No 1 (ST 6B) 3 No Of CURRENTS: 2500/1A ,CLASS : PS From 11.5 Kv Side 1 No Of CURRENT For HIGH IMPEDANCE REF :2500/1A CLASS : PS From 11.5 Kv Side 3 No Of CURRENTS: 2500/1A ,CLASS : PS From 11.5 Kv Side 1 No Of CURRENT For HIGH IMPEDANCE REF : 2500 /1A CLASS :PS From 11.5 Kv Side 3 No Of CURRENTS: 1000/1A ,CLASS : PS From 400 Kv Side 1 No Of CURRENT For HIGH IMPEDANCE REF : 250/1 A , CLASS PS From 400 Kv Side TRANSFORMER RATIO: 400KV/11.5 Kv/11.5 Kv , 80 MVA , TRANSFORMER DIFFERENTIAL RELAY FOR 2 WINDINGS WITH CONFIGURABLE 16 NO BINARY INPUTS RATED FOR 220 V DC, CONFIGURABLE 24 BINARY OUTPUTS RATED FOR 220 V DC, AUXILLARY VOLTAGE IS 220V DC, 16 CONFIGURABLE LEDS,TIME SYN WIH BINARY INPUT OR IRIG-B SIGNAL,WITH 2 WINDING DIFFERENTIAL PROTECTION ,ZERO SEQUENCE FILTERS ,INRUSH CURRENT DETECTOR , 3 NO CURRENTS FOR HIGH IMPEDANCE RESTRICTED EARTH FAULT PROTECTION,OVER FLUXING PROTECTION, DEFINTE TIME AND INVERSE TIME OVER CURR ENT PROTECTION, 12 CURRENT INPUTS RATED FOR 1 A CT SECONDARY , 3 VOLTAGES RATED FOR 110 V AC PT SECONDARY..COMPATABLE WITH IEC61850, WITH FRONT PORT FOR RELAY COMMUNICATION. Technical Details Of Transformer No 1 (ST 6A) 3 No Of CURRENTS: 500/1A ,CLASS : PS From 220 Kv Side 1 No Of CURRENT For HIGH IMPEDANCE REF : 300/1A CLASS : PS From 220 Kv Side 3 No Of CURRENTS: 2750/1A ,CLASS : PS From 11.5 Kv Side 1 No Of CURRENT For HIGH IMPEDANCE REF : 3000/1A CLASS :PS From 11.5 Kv Side TRANSFORMER RATIO: 220KV/11.5 Kv , 50 MVA
Basic Detail
Tender No 156/26-27/EM&MRT-VI/P42/CE/O&M/KTPS-V&VI STAGES
Bidding Type Tender
Location
City paloncha
State Telangana
Key Dates
Publish Date 11 Sep 2026
Submission Date 23 Sep 2026
Open Date 01 Jan 0001
Finance
Tender Value Ref. Documents
Tender Fee Ref. Documents
EMD Ref. Documents
Exemption Not Available
Document List
57da5eeb-ad4a-42a5-b4af-dc7399d62daa.html
DocumentsList.zip
download.xls

Unlock Full AI Tender Summary

Get instant access to the complete AI-generated analysis — scope, eligibility, timeline & more.

Instant Access Secure Free
Your details are secure and used only for document delivery.

Tender Timeline

Sep 11, 2026
11:30 IST

Tender Published

Tender notice published.

Completed
Sep 02, 2026
18:00 IST

Corrigendum-1 Issued

Clarifications on tender conditions and amendments issued.

Completed
Sep 23, 2026
18:00 IST

Corrigendum-2 Issued

Clarifications on tender conditions and amendments issued.

Upcoming · 10 days
Sep 23, 2026
17:00 IST

Bid Submission Deadline

Online submission via eProcurement portal.

Upcoming · 10 days

Tender Documents

Download All (ZIP) ↓
html

57da5eeb-ad4a-42a5-b4af-dc7399d62daa.html

zip

DocumentsList.zip

xls

download.xls

Disclaimer

We takes all possible care for accurate & authentic tender information. However users are requested to refer Original source of Tender Notice / Tender Document published by Tender Issuing Agency before taking any call regarding this tender

TenderDetail
Loading tenders