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Logging and Well Testing Equipment

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VSD system

Brief Introduction:

It can regulate the power frequency according to the fluid supply conditions in the production well and keep the normal and smooth running of the down-hole electric submersible pump set.

There are three types of VSD, divided by voltage grade, namely 1300V, 2600V and 3600V. MV VSD has special functions, including multi control modes, multi start methods, self optimization of voltage etc, which extend the run life of ESP in conditions of high sand or gas content.

Input volts (V)

Input Current(A)

Number of Rectifier pulse

Inverter Topology Structure

700-1400

65

6P/12P

Neutral point diode

1400-2600

65

6P/12P

embedded three

1400-2600

105

6P/12P

level structure

2600-3600

105

18P/24P

Cascaded

3600-4600

105

18P/24P

multilevel structure

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