中文版
Description
Product details：
UN 0720a-P Var.1
Model type: HIER443950PI
Unitrol UN 07209-P module
Manufacturer ABB
Model ABB UNITROL
Estimated shipping size
Size: 8.0″x 2.0″x 12.0″
(20.3 cm x 5.1 cm x 30.5cm)
Weight: 0 lbs 13.0 oz(0.4kg)
UNS4881b.V4
excitation
Generally, the process of forming a rotating magnetic field in the rotor of generator is called excitation according to the principle of electromagnetic induction. In addition, to provide a working magnetic field for generators and other “electrical equipment working on the principle of electromagnetic induction” is also called excitation. Sometimes, the device that provides rotor power to the rotor of a generator is also called excitation.
With the development of electric power construction, China’s electric power system industry has entered the stage of large network, high voltage and large unit. The stability of large capacity units during operation is very important to the stability and security of the whole power grid. However, the greatest influence on generator stability is the motor UN 0712a-P Var.1 HIER448888R1 excitation system. Excitation system UN 0712a-P Var.1 HIER448888R1 plays a very important role in the safety of the power grid, it is not only the guarantee of stable operation of the unit, but also the lever of reactive power and voltage regulation in the whole power grid.
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