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Changsha condensate pump drive

source:Original    time:2016-09-14     Pageviews:2588

Technical solutions

Main circuit as shown: 

Condensate Pump Frequency Control Programme
User control room DCS system automatically controls the high voltage inverter output signal frequency.
Inverter "remote / local" conversion control options, when the drive is "remote / local" switching control selection switch to "remote" position, the control to the DCS control system, when the drive is "remote / local" conversion control selection switch to "in situ" position, the drive control to the panel buttons or keys.
Technical Parameters
Motor parameters:
Model Rated Power Rated Voltage Rated current Rated power factor
YRKK710-6 2000KW 6KV 238A 0.81
Drive Specifications:
Input voltage: Three-phase AC RMS 6KV ± 10%
Input frequency: 50 ± 5Hz
Output voltage: three-phase sinusoidal voltage 0-6KV
Output frequency: 0-50Hz
Frequency resolution: 0.01Hz
Acceleration time: according to process requirements set
Q. deceleration: set according to process requirements
Frequency setting mode: two low speed can be adjusted within the range of 0-50Hz
Fault diagnosis and detection: automatic detection, automatic positioning
Net side power factor: 0.95 (at high speed)
Overload protection: 150% (l Allow minutes every 10 minutes), 180% immediate protection
Degree of protection: IP21
Humidity: 90% non-condensing
Production process (output frequency variation):
Press DCS system to run a given frequency, usually run around 40HZ.
The actual saving effect test:
Line current conditions into the line active axis average temperature average saving rate
Frequency 210A 1718KW 70 ℃ 39%
Frequency 120A 1090KW 42 ℃

Acceptance report: 

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