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ALSU-A-VSD switchboards are designed for control, protection and variable-speed control of submersible electric motors.
VSD featured switchboards allow to provide additional functions:
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Full protection of downhole equipment;
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Control of ESP production;
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Control and optimisation of ESP operation based on downhole and wellhead control system parameters;
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Soft start and gradual braking of submersible motor;
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Change in ESP rotation direction;
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Motor logging mode;
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Special modes of ESP operation (to correct ESP seizures).
Special controller software facilitates the process of setpoint setting and startup.
The modular assembly of switchboards and status diagnostics algorithms simplify its maintenance and reduce repair time.
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Parameter |
Value |
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Rated voltage |
380 V at 48-62 Hz |
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Mains voltage fluctuation |
-30% ... +25% |
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Rated output current |
400 А |
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Max. output current (within 60 sec) |
600 А |
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Rated output power |
200 кВА |
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Control range of output voltage |
From 30 V to rated voltage |
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Control range of output frequency |
0.1 ... 80 Hz |
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Control range of motor speed |
1000-4500 RPM |
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Switchboard controller |
Controller VSD-A Graphic display
320 x 240 |
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Distinctive service features |
Calculation and optimization of layer-well-pump parameters |
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Add-in modules |
wellhead control system |
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downhole control system |
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local radio channel (100 m) |
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cellular communication |
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Protection class |
IP 43 |
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Overall dimensions (height x width x depth) |
1850 x 870 x 653 mm |
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Weight |
450 kg | | 
