Study On The Main Circuit And Power Transition Thechnology Of High Power Inverter Using In Mine

As a result of the significant technological innovation in Electrical Drive field, A/C speed regulating technology has seen rapid development for high performance in speed regulating and energy.saving effect. This enables control on frequency conversion to bear both static control characteristic and high dynamic performance to match D/C speed regulating system. Control on low speed and large torque situation, such as for belt conveyor and hoister used in coal mine, therefore can be implemented. Drive performance is also more favorable than direct start-up, soft start.up and CST. From more general perspective, the traditional measures currently taken for speed adjustment on blower and water pump in China is to adjust the quantity of wind or water supply by virtue of control on the opening extent of baffle and valve at the entry and exit. A vast amount of exported power is consequently consumed during...