Operation; Machine State Flow Diagram - ABB HiPerGuard MV UPS User Manual

8.

Operation

Safety
The UPS must be only operated by qualified and authorized personnel, i.e., personnel who are familiar
with the operation of the MV UPS and the hazards involved.
8.1.

Machine State Flow diagram

While the HiPerGuard MV UPS system is operational, it has two basic modes of operation - Power
conditioning mode (PCM) and Independent mode (IM). This section explains the HiPerGuard MV UPS
machine different states transitioning between modes of operation and the logic driving the control of
transitioning from one state to another.
Figure 8.1: HiPerGuard MV UPS State flow diagram
HI PE RG UA RD M V UP S U S E R M A N UA L
O P E R AT I O N
88/103