Work Principle; Work Principle Diagram; Work Mode - AEG IST7 User Manual

IST Series UPS (10kVA-200kVA)
User Manual
power supply requirement, it will switch to inverter output, and this guarantee the reliability of
power supply and also, save energy.
Manual maintenance bypass design
It designs manual maintenance bypass channel to ensure the UPS supply power for load
while maintenance, which greatly improve the system operation reliability and maintainability.
Reliable EMC performance
Pass the authority institution and professional test on EMC, including conducting disturbance,
radioactive disturbance, conducting anti- disturbance, radioactive anti- disturbance, power
falling, mass impulse, static discharging, surge, etc. The excellent EMC characteristics can
completely filter each power grid interference, and also, decrease and eliminate the
interference of UPS itself effectively.
Touch screen display
With touch screen display, the operation is simple and convenient, which is convenient to
daily manage and maintain the UPS. It can display the running parameters and running status
of UPS and each power unit, and record the history event and alarm information. It can store
9000 pieces of information at most.

2.2 Work Principle

2.2.1 Work Principle Diagram

Figure2-1 Work principle diagram

2.2.2 Work Mode

There are 4 work modes of the UPS: normal mains mode, battery mode, bypass mode and
maintenance bypass mode.
2 Overview
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