User Manual
Hipulse - Single Phase ‘1+N’ UPS System | 130 kVA - 110V |
10.2 INPUT TRANSFORMER CUBICLE
10.2.1Introduction
The Input Transformer Cubicle is placed in the Input supply path of the UPS . It consist of Star - Star OR Delta - Star transformer of rated capacity to provide Isolation from the Input Distribution supply to the UPS input.. The Cubicle also consist of Battery Breaker with its Battery Trip PCB of the respective UPS.
10.2.2Termination
The Incoming Supply from the Customers distribution is fed as input to the Input Transformer Cubicle. The incoming supply 3ph,4wire is fed to RI ,SI,TI,NI terminals .
The Battery Breaker input from the UPS is fed to +R1 ,
10.2.3Indication & Metering
LED’s are used to monitor availability of Input voltage before the Isolation Transformer and after the Transformer which are seen on the Mimic Panel.
Incoming
10.2.4Protection
Incoming 3 pole MCCB is used as Protective Device before the Isolation transformer, Control fuses are used for protection of Voltmeter and Fans Cubicle Battery path MCCB is used as Protective Device in Battery path
Utility socket is provide for single phase supply
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