Di Fan Repair Tenders

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Central Government/Public Sector

CTN :45266027

27 May, 2026 NA

Multi City - Tamil Nadu

Tender For auction sale of depot miscellaneous scrap - p.l. no. 98327768 condemned and unserviceable dynamic braking fan motors without fan -vertical type ( in which four numbers top end shield is aluminium and remaining ten numbers ferrous ) of sorts and sizes , full , intact with copper coils, commutators and shafts . with / without bearings, brush holders ,bearing caps, terminal boards, wires , cables and other ferrous / nf attachments. . as is where is basis. total weight- 4290 kgs approximately for 14 numbers. rate per number should be quoted.

Central Government/Public Sector

CTN :45264914

30 May, 2026 NA

Bhopal - Madhya Pradesh

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

CTN :45139850

08 Jun, 2026 NA

Varanasi - Uttar Pradesh

Tender For supply of dynamic braking fan assembly as per drg.no. 9518890 alt b1 [ warranty period: 30 months after the date of delivery ]

Central Government/Public Sector

CTN :45054951

11 May, 2026 NA

Multi City - Tamil Nadu

Tender For auction sale of depot non ferrous scrap - p.l. no. 98230025. condemned and unserviceable aluminium scrap consisting of hhp loco top gear case housing , front and rear covers , 25 kw alternator fans , oil catchers , heat sinks , pistons , busbar, strainer , labyrinth ring, chase cover, acc housing,earthing device housing parts ,emd strainer , light fittings , distributor valve parts , gmts non drive end frame , end shields of hhp loco traction motors , after cooler core , main reservoir tanks , end shields of dynamic braking fan motor and other loco / c&w aluminium components of sorts and sizes with / without very meagre quantity of ferrous, plastic, rubber, wool, fibre , brass, copper and other orginal attachments. as is where is basis. segregation and removal of attachments not permitted. note- cssd/goc electronic weigh bridge to be used for weighment.

Central Government/Public Sector

CTN :45054982

11 May, 2026 NA

Multi City - Tamil Nadu

Tender For auction sale of depot miscellaneous scrap - p.l. no. 98327768 condemned and unserviceable armature cores of auxiliary generators, exciters and dynamic braking blower motor of sorts and sizes ., with copper coils, commutator and shaft with / without fan, bearings, bearing caps, collar, end shield, flanges and other ferrous / nf attachments. as is where is basis. total weight- 3170 kgs. approximately for 25 nos. rate per number should be quoted. loading by crane is permitted.

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