Tenders Are Invited For Supply Of Hybrid Rectifiers in Bhutan

Work Detail

Tenders are invited for Supply of Hybrid Rectifiers (500 amps, 24 kW) floor mounted with stand (1 mtr height above floor) IP Vac = 180 280 Vac; OP = (-48V DC), 500 Amps, Modular Type including 4/3 no of modules having 60/80 Amps per module. Solar: MPPT Modules: (4/3 no of modules having 60/80 amps per MPPT), Input - 60 to 400 Vdc, Output - 42 to 58V dc. Must have load facility to connect both critical and non-critical loads below mentioned ratings of DC MCBs and HRC Fuse. i. SP MCBs: 63 amps 2 Nos, 32 amps 4 Nos, 20 amps 5 Nos, 16 amps 5 Nos, ii. HRC Fuse: 100 amps 2 Nos. Also, should have an inbuilt controller and safety devices such as BLVD and LLVD having the following features to monitor the status of the rectifier, battery, room temperature, ac mains available or not, DG supply available or not, rectifier failure alarm, load on battery, load on AC or DG. All these parameters are to be monitored remotely using LAN/Modem, GSM, GPRS, Web browser. Remote alarming using dry contacts/SNMP. Should include class C AC SPD and DC SPD and must be compatible with Li Batteries without having to upgrade the software. (Make: Vertiv/Delta/Exicom/Huawei/Equivalent). Tender Link : http://www.tender.bt/

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