Tggenco - nshes - supply of different ranges of numerical relays and on-delay timers, make: lauritz knudsen, at nshes, nagarjuna sagar

Supply of relay, ac immune, plug-in-type, style qbat, aci, dc biased track relay 9 ohms, 2f-2b contacts, front and back contacts metal to carbon, complete with plug board, retaining clip and connectors conforming as per rdso/spn/84 ver 2.0 or latest if any interlocking code is abejx.

Supply and commissioning of gps server (ntp based) and procurement of ofc to ethernet media converters for time synchronization of all protection relays at ljhes atmakur

Supply, demonstration, commissioning of all software/ updation / enhancement from time to time of profometer rebar diameter & advance concrete cover meter, from concrete rebar detection to line scanning, precise concrete rebar cover measurements and diameter estimation with great clarity of precision, ergonomics productivity and technical specification are as follow:- 1. profometer app. - technical specifications:- (i) review modes:- area scan view multiline scan view, (ii) image processing:- auto rebar spacing first rebar layer neighboring rebar correction first layer neighboring rebar correction second layer, (iii) display settings:- concrete cover threshold slider with color palette, (iv) reporting:- instant report generation jpg (screenshot), (v) display unit specs:- screen size: from 7.9 inch to 12.9 inch, resolution : up to 2732-by-2048, memory: up to 02 tb, weight: down to 301 gm/10.6 oz, camera: up to 12 mp wide and 10 mp ultra wide, optional: usb-c, 5g, face id, (vi) display unit sensors:- three – axis gyro, accelerometer, ambient light sensor barometer built -in- gps/gnss (2) instrument. technical specifications:- (i) technology:- eddy-current, (ii) connection:- wireless, (iii) cover measuring depth:- up to 185 mm/7.3in, (iv) cover measuring accuracy:- +/-1 mm/ 0.04 in to 4 mm/ 0.16 in depending on depth , (v) rebar diameter measuring depth:- up to 63 mm/2.5 in, (vi) rebar diameter measuring accuracy:- +/-1 rebar size (possible under optimal conditions. please refer to the manual), (vii) encoder accuracy:- +/-0.5 mm/0.02 in +0.05% of measured length, (viii) max scanning speed:- 0.5 m/s – 1.7 ft/s, (ix) max line scan distance:- 1 km/ 0.6 miles, (x) display:- high-contrast loed screen, (xi) dimensions:-250x130x45 mm / 9.8x5.1x1.8 in (with cart), 190x75x45 mm / 7.5x3.0x1.8 in (without cart) (xii) weight:- 690 gm/ 1.5 ib (with cart), 300 gm / 0.7 ib (without cart), (xiii) battery:- 2x aa(nimh) rechargeable or non rechargeable removable flight-safe, 8 hours autonomy, usb-c power bank (not included)

Supply of a numerical relay test kit with 4 convertible voltages and currents and 3 currents with licensed software suitable for testing numerical relays including iec 61850 compliant relays and with software modules for over current, advance distance, advance differential, advanced power (pole slip, power swing, field failure and backup impedance) along with supply and delivery of a laptop (pre-installed all necessary driving software for numerical relay test kit including product support software, windows 10/11 original os and with backup software) necessary to run the test kit at pjhes

Comprehensive annual maintenance contract (amc), annual technical support (ats), cloud hosting, connectivity and real time operational support for the automated system balancing mechanism (asbm) and maintenance of hardware installed at state load dispatch centre (sldc) and associated 16 grid sub-stations (gss) for 5 years against nit no. 37/pr/bsptcl/2026.

(a) electrical general work in connection with s&t work conversion of relay based interlocking to electronic interlocking at siliguri town (sgut) station of katihar division (balance installation under priority category - 3) . (b) electrical general work in connection with s&t work provision of distributed type electronic interlocking system at sguj station of katihar division .

Supply of universal lamp proving relay ac miniature, plug-in contacts 4f-4b metal to carbon, as per rdso specn. no. sts/e/relays/ac lit led signal/09-2002 : irs:s23:rs:s34 and spec. no. brs:940,941a (common for main subsidiary signals) and technical specifications, for 110v dc/12w led signal of main all aspect, calling-on, route and shunt signals, complete with plug board, base, retaining clip and connecto