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The electrical control system
The electrical control system of land and offshore rigs is divided into DC control system and AC variable frequency control system. The 4000~9000m DC control system is an important part of electric driller. Composed of five parts, namely the diesel
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Grid power control system
The grid power control system of oil rig, composed of 10KV industrial grid incoming lines, supplies power for two 10/0.6KV 3150KVA dry-type epoxy-resin filled transformers through high-voltage switchgear. Outgoing lines of transformers and low-voltage
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The top-drive drilling system
The top-drive drilling system has changed the traditional mode of rotary drilling, but uses the top-drive AC variable frequency control system with sound operation and high reliability. The main top drive system is an AC variable frequency system
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Drive Of Pipeline
8MW Natural Gas Compressor Drive System 1. System Introduction It is used to drive the three sets of variable frequency speed regulation system for natural gas compressor. Each system is mainly compo
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Variable Control Of Hoisting
The hoist in coal and non-ferrous metal mines is used for transport of workers, materials, ore and minerals, and regarded as one of the four important running equipments in mining. Traditionally, metal resistor is inserted in the circuit of motor rotor
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