A . What are the Power problems
at your place ?
- Voltage variation at input.
- Frequency variation (MSEB or Genset supply).
- Output Frequency and voltage requirement.
- How much battery backup time do you need ?
- Type of battery required.
- Auto Changeover required or not at output of UPS ?
- Remote Annunciation panel required or not Plus Computer Interface
requirement ?
- What is the exact load and its Load factor existing to decide
rating of UPS required.
- Any starting current requirement to be catered to ?
- Indications, metering and isolation required.
- Any particular choice of battery voltage.
- 3 phase or 1 phase required at input and output.
- Who would supply battery and its stand, inter connecting links,
etc.
- Location of UPS and battery and distance.
- Training to maintain system required or not.
- Asynchronous / Synchronous tracking of Inverter required or
not ?
- How critical is your load in terms of power outage acceptability
?
a) Do you need load sharing
UPS ?
b) Do you need critical/non
critical configuration ?
c) Do you need hot standby
?
B. What are the equipment used ?
- Computers ?
- Special purpose equipment?
- Telecom products?
- CNC machines?
C. Can you analyse your site for
- Black Outs / Brown outs
- SHigh voltages
- Surges / Sags
- Low voltages
- Transients / spikes
- Battery back-ups
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