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In order to prevent the accident from expanding, overhauling or shutting down for a long time, a main inlet valve must be installed in front of the turbine.
It is generally necessary to install a valve in front of the turbine when a steel pipe is branched to supply water, and several units or the pressure diversion pipe is very long.
The governor adjusts the opening of the guide vane based on the deviation of the unit speed to achieve the purpose of changing the output and keeping the speed stable.
The task of the governor system is continuously adjust the output power of the hydro-turbine generator unit to maintain the unit's speed (frequency) within the specified range of the rated speed (frequency).
The governor is applicable for the single and double regulating systems of all types of the 1MW-100MW water turbines, including Francis type, axial flow type, cross-flow type, and impulse type, etc.
The generator is an AC synchronous generator that is driven by a water turbine and converts mechanical energy into electrical energy.
It uses the principle of electromagnetic induction to convert mechanical energy into electrical energy.
The generator capacity ranges from 50kW to 120,000kW, and has the ability to produce a single machine capacity of 200,000kW. The maximum generator frame size can reach 9200mm, the maximum speed of the vertical unit can reach 750r/min, the maximum speed of the horizontal machine can reach 1000r/min, and the insulation level is Class F, the maximum voltage of the coil coil is 13.8kV.
The excitation system is mainly to provide current into the rotor windings of the hydro-generator to establish a magnetic field. The direct current is usually used for building the magnetic field.
It is to regulate and control the excitation system of the brush synchronous motor of all kinds of factories, mines and enterprises of each load and capacity, such as the synchronous motor of large and medium pumps, ball mill, air compressor, etc. It can work under different operation conditions of power plants, mines and factories and realize “Unattended Operation (few on-duty)”.
Integrated Cabinet-type Energy Storage System
Integrated Container-type Energy Storage System
HV Modular Energy Storage System
Energy Storage Power Conversion Boost System
No. 609, Lusong Rd., Lugu, Changsha, Hunan Province, P. R. China (410205)
