I. Current status and risk
The situation:
- At each floor of the building with 1 electrical cabinet supplying electricity to the rest of the staff room, for lighting and water heater system.
- Heater system in hostels - SEV is powered directly from the breaker and always in a state of oN.
risk:
- When the power supply is restored after the KTX power failure, this time all the hot water tank will launch at the same time. Due to the total capacity of the water heater should greatly will cause overloading caused the impact breaker.
- Causing damage due to water heater energy is always in the ON state.
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