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Tender For corrigendum : deputation of service engineer for quarterly servicing, maintenance & trouble shooting of various dc and ac drives at lignite handling plant kltps.
Tender For supply of vitreous enameled resistors rectl r 41 & rectl r 51, resistors.. 1.5k ohms +/ 5%, - 25 watt to emd part no 8327932 and dlw part no. 18300431 for wdp4/wdg4 locos. [ warranty period: 30 months after the date of delivery ]
Tender For supply of 3 kvar metalised polypropylene gas filled wavycut 3 phase self-healing type capacitors rated at 480v, 50hz. capacitor should have discharge resistors and over pressure disconnection as per rdso modification sheet no. rdso/pe/ms/ac/0054-2014 rev-1 and confirming to is:13340 (part-1) :2021/iec 60832-1:2002 with isi mark suitable for capacitor bank of lhb ac coach. make m/s epcos. types phicap cat no. b25671r4032a 80 & m/s vishay part no. acmkphd480.3.3.00. [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of 2.2 kw ac crane drive , 5.5 kw ac crane drive , 11.0 kw ac crane drive , 22.0 kw ac crane drive , 37.0 kw ac crane drive , 55.0 kw ac crane drive , 75.0 kw ac crane drive 3 phase, digital ac crane drive 2.2 kw, ac drive should be suitable for heavy duty operation of 2.2 kw. offered ac drive should be suitable for crane-hoist operation. if, separate software required for crane application, it must be clubbed with supply of material. ac input voltage: 380 to 480v ac 10%, 3 phase, 3 wire, 50 hz; mode of control: bi-directional fully controlled 3-phase ac; speed regulation: 1% of base speed; braking: suitable dynamic braking resistance and chopper unit (external or in-built); acceleration time: 0.1 to 1000s or better; deacceleration time: 0.1 to 1000s or better; overload: 150%-1min, 200%-3.0s; ambient temperature: 0 to 50 c (derating shall not occur below 50 c. in the event that derating occurs below 50 c, the supplier shall provide a higher-rated drive to match the requirement); rated current at 50 c: min. current should be 5.5 amps at 50 c; high starting torque at low speed: 200% starting torque at 0.3 hz; two analog inputs: two nos. analog inputs having signal voltages of 0 to 10 vdc or 4 to 20 ma (configurable); two analog outputs: two nos. analog outputs having signal voltages of 0 to +/-10 vdc or 4 to 20 ma (configurable); six digital inputs: pnp/npn; one relay output: with short-circuit and overload protection; two digital outputs: with short- circuit and overload protection; brake release signals: outputs braking signals based on inverter operating conditions to prevent cargo bed rollback and overrunning; load adaptive control: when the actual load level is lower than the configured load level, the system can be operated at a ratio-multiplied speed (in terms of the configured frequency), resulting in significantly better efficiency; load ) /bid number : gem/2026/b/7563714 * /dated: 20-05-2026 & & / bid document 1 / 29 frequency), resulting in significantly better efficiency; load limiter: maintains the safety and rescuability of suspended loads by stopping when excessive torque is detected and by allowing operation only in the direction opposite to that in which the excessive load was detected; cooling capacity degradation alarm: detects and displays cooling capacity drop due to cooling fin clogging caused by dust and cooling fan airflow reduction; igbt life expectancy forecasting: estimates the power cycle life expectancy of the main circuit s igbt semiconductor device temperature due to frequent acceleration and deceleration stoppages, and displays the estimate before the design life is reached; protection: it must have all standard protections like stall protection, instantaneous power failure, single phasing, over voltage, under voltage, over current, inverter overload, thermal overload etc; display console: it must have alpha numeric display console for programming of drive, fault display and operating condition; dynamic qr code: it must have dynamic qr code for trouble shooting; tuning facility: it must have auto tuning facility. this must enable perfect matching of motor coupled to load with regards to optimum acceleration time, deceleration time, speed regulation etc; drive programming software: suitable drive programming software along with necessary connecting cable and adapter for connection with laptop and drive should be provided to get online with the offered drive (laptop not in scope); automatic voltage regulation: it must have automatic voltage regulation function to maintain high starting torque even at reduced voltage; regenerative option: it must be capable of regenerative operation; communication protocol: modbus (rtu/serial) or ethernet (tcp/ip); make of drives: fuji- electric/yasakawa/schneider/abb only; suitable dynamic breaking resistance unit of 60% wattage rating of drive, however the value of resistance is to be decided by manufacturer as per their technical manual for crane-ho
Tender For corrigendum : tender for supply of dynamic braking resistors -description as per technical specification , description as per technical specification , description as per technical specification , description as per technical specification , description as per technical specification , description as per technical specification
Tender For supply of television for 140cm (55 inch) mini led 4k ultra hd smart google tv with dolby vision. screen size 55 inches (8.2d x 122.7w x 72.4h centimeters ) display technology led | 4k processor x1 | live color | 4k x-reality pro | motionflow xr 100 | hdr10/hlg special feature smart tv features: google tv | watchlist | google assistant |google cast | game menu | allm/earc (hdmi 2.1 compatible) | additional features: apple airplay 2 | apple homekit | alexa | annual energy consumption: 186.76 kwh included components 1 led tv, 1 ac power cord, 1 remote control, 2 batteries resolution 4k ultra hd (3840 x 2160) | refresh rate: 60 hertz connectivity technology 4 hdmi ports to connect set top box, blu ray players, gaming console | 2 usb ports to connect hard drives and other usb devices sound 20 watts output | 2ch | open baffle speaker| dts digital surround | dts:x | dolby atmos, dolby audio smart tv features google tv | watchlist | google assistant |google cast | game menu | allm/earc (hdmi 2.1 compatible) | additional features: apple airplay 2 | apple homekit | alexa | energy rating: 2 star | annual energy consumption: 186.76 kwh ]