The device detects the frequency difference between the running system and the system to be combined. When the closing pulse is sent, the error of the frequency difference should not exceed ±10% of the set value.
The device detects the frequency difference between the operating system and the pending system, and when the closed pulse is issued, the frequency difference error should not exceed 10% of the ± value.
The device detects the frequency difference between the running system and the system to be paralleled. When the closing pulse is sent, the error of the frequency difference shall not exceed ± 10% of the setting value.<br>