OPERATION MANUAL FOR PCS100HV
9
3.2. Definitions of States
Table 1 System State Definitions (2-1)
PCS initialization stage. PCSs power on, it will initial
hardware /software configuration. Delay 3s to
standby.
System finished initialization. And is waiting for
system configuration or operation commands.
It will check the system fault and warning condition
in standby mode.
System is configured as grid tie mode. The method
of configuration refers to section 3.3-tr16/tr67.And
got PCS on command.
Relays operation follow:
DC Relay M2 Closed ->
DC Pre-Load relay Closed ->
DC Relay M1 Closed ->
DC Pre-Load relay Open ->
AC Pre-Load relay Close ->
AC Main Relay Close ->
AC Pre-Load Relay Open.
Then PCS PWM on.
The relay states are showing at the last line.
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