Automatic Voltage Regulators Are Generally Unsuitable For Severely Unbalanced Loads.

When there are significant differences in the load between phases, voltage fluctuations and unbalanced current problems can occur, placing higher demands on the operating status of power equipment. servo automatic voltage regulator is typically configured in generators or power distribution systems to dynamically adjust for input voltage fluctuations, keeping the output voltage within a set range. Its working principle is to monitor voltage changes in real time and adjust the output response by controlling the excitation current, thereby managing general load changes.

However, in scenarios with severely unbalanced loads, voltage regulator 10kva fails to function as expected. Due to the asymmetrical distribution of the three-phase current, negative sequence components are generated within the system. These negative sequence components exceed the normal operating range considered in typical voltage stabilizer 380v designs, causing deviations in the feedback control loop response. In this case, the adjustment strategy may fail to correctly match the voltage deviation of each phase, resulting in an unbalanced output voltage distribution and potentially placing excessive stress on the excitation control system. Although some independent compensation techniques or dedicated unbalanced voltage control devices can alleviate these problems, the performance of ordinary whole house automatic voltage regulator remains limited when facing severely unbalanced loads.