Components
The components of the automatic regulation of the excitation machine voltage transformer, machine current transformer, excitation transformer; excitation device needs to provide the following current, factory AC380v, factory DC220v control power. Factory DC220v closing power supply; need to provide the following null contact, automatic start. Automatic shutdown. Grid-connected (a normally open, a normally closed) increase, decrease; need to provide the following analog signals, generator end voltage 100V, generator end current 5A, bus voltage 100V, excitation device output the following relay contact signals; excitation overcurrent, demagnetization, excitation device abnormality and so on.
Product Introduction
The excitation control, protection and signaling circuit consists of demagnetizing switch, magnetizing circuit, fan, demagnetizing switch stealing and jumping, excitation variable overcurrent, regulator failure, generator working condition abnormality, power transmitter and so on. In addition to the synchronous generator must be unlisted when the internal failure occurs, but also must be demagnetized, the rotor magnetic field as soon as possible to minimize the extent of the rotor to ensure that the rotor does not however, so that the demagnetization time as short as possible, is the main function of demagnetization device. According to the size of the rated excitation voltage can be divided into linear resistance demagnetization and non-linear resistance demagnetization.
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