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Procurement Of Apparatus For Alternator Protection, Ahmedabad-Gujarat

Department Of Education has published Procurement Of Apparatus For Alternator Protection. Submission Date for this Tender is 24-03-2025. Railway Ancillaries Tenders in Ahmedabad Gujarat. Bidders can get complete Tender details and download the document.




Tender Notice

47718981
Corrigendum : Procurement Of Apparatus For Alternator Protection
Open Tender
Indian
Gujarat
Ahmedabad
24-03-2025

Tender Details

Procurement Of Apparatus For Alternator Protection-Relays: 1. Numeric relays of standard make with relay’s software installed in a personal computer Alternator-prime mover set: 2. Three phase Motor-Generator coupled set with variable frequency drive for prime mover speed adjustment. The prime mover can be Induction machine mechanically coupled to an Alternator. Motor, Alternator and variable frequency drive (VFD) are to be of standard make with following ratings. Alternator – Three-phase 2 KVA/2 HP, (400-415) V, 1500 or equivalent RPM. Appropriate arrangement for field excitation is to be placed. The stator winding of alternator needs to have sufficient tapping’s. Induction motor – Three-phase 2 KVA/2 HP, (400-415) V, 1440 or equivalent RPM VFD – IGBT based, 2 HP or equivalent with supply from three-phase or single-phase compatibility. Control panel: 3. Control panel with three phase supply compatibility to accommodate numeric relays, CTs, PTs and all the required digital meters on the panel board. Protection features: 4. The alternator protection setup should have the features to demonstrate the following functional aspects.  Overcurrent protection  Differential protection  Under voltage/overvoltage protection  Negative sequence current protection  Earth fault protection Alternator loading: 5. Three phase AC load with different load selector switches namely resistive/lamp load

Corrigendum Details

Sr No CorrigendumDate Corrigendum CorrigendumType NewSubmissionDate
1 12-03-2025 24-03-2025
2 13-02-2025 11-03-2025

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