1. Automatic voltage adjustment: The automatic voltage adjustment of the generator is realized by the automatic voltage regulator (AVR). When the voltage at the output terminal of the motor rises, the excitation current of the generator is reduced through the AVR, so that the voltage drops; When the output voltage drops, the excitation current of the generator is increased through the AVR, so that the voltage rises to ensure voltage stability.

2. Adjustment of no-load voltage: When the motor is no-load, the output voltage can be adjusted within a certain range by adjusting the relevant potentiometer through AVR, generally 95%~105% of the rated voltage.

3. The protection devices of the generator mainly include the following:

①Overload protection: It can be realized by installing current transformer and current relay, which can be divided into short time delay and long time delay.

②Short circuit protection: It is realized by the electromagnetic tripping characteristics of the main switch. When the load terminal is short-circuited, the main switch automatically trips.

③ Stator high temperature protection: It is realized by installing a stator temperature sensor. When the stator temperature exceeds the set value, an audible and visual alarm signal is issued and protective measures are implemented.

④Moisture-proof heating: It is realized by installing a moisture-proof heater. When the unit is in the standby state, the heater works to prevent the insulation performance of the generator from being reduced due to the humid environment.

Fujian Quark Motor refers to the European standard silent assembly technology and independently developed patents for Quark. The internal structure design starts from details. While ensuring effective noise reduction, customers can freely choose the combination of required power in a limited installation space, which truly helps customers Realize tailor-made products that save money, time and space.

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