Cummins 2000kw diesel generator set price

(1) the negative sequence current and unit low voltage over current protection, commonly used in more than 50 mw generator 

(2) the overcurrent protection of compound voltage start, including the negative sequence voltage and line voltage, 

(3) are used for more than 1 mw generator overcurrent protection, for 1 mw and below small generator 

(4) with low voltage over-current protection, current memory used for the shunt generator.

(5) by the asymmetric load or external asymmetric short circuit caused by the negative sequence current, generally in more than 50 mw and installed on the generator negative sequence current protection

(6) for caused by symmetrical load of generator stator winding current, then should be installed on the phase current overload protection.

(7) for hydro-generator stator winding overvoltage, over voltage protection should be installed with time delay.

(8) for point grounding fault of generator excitation loop, to small generators can be installed under 1 mw and regular detection device;For more than 1 mw generator shall furnish a dedicated one-point earthing protection of the excitation circuit.

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