Sucker Rod Pumping Unit VFD
High performance VFDs for Suker Rod Pumping Units
Increase production more than 20%
Increased production from maintaining a constant low fluid level with greater inflow from the formation. Increased pump efficiency
Longer pump lifetime and minimized downtime
Up to a 20% reduction in the maximum rod load and a 10-15% reduction in the load span. The SVR VFDs protect the pumping unit from high or low pressure, rod string flotation, overtemperature, minimum and maximum rod tension, or pump torque.
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Specifications
Input power supply3 phase 380V to 480V ±10%, 50/60Hz ±5% 
Converter type6 pulse diode rectifie or IGBT rectifier
Input low harmonicPassive harmonic filter, THID<5% at="" full="" load="">

Ultra-low harmonic drive module integrated
Inverter typeIGBTs
Input current protection Circuit breaker
Input surge suppressionIEC test classification / EN type: II/T2

Maximum continuous voltage: 350V(L-PE)

ISCCR: 50kA (max.200A gG)

Voltage protection level: 1500V

In: 20kA 8/20 μs

Imax: 40kA 8/20 μs
Output voltageThe same as power supply
Output frequency0 Hz to ±598Hz
Motor controlDirect Torque Control (DTC)
Motor technology Induction Motor (IM) and Permanent Magnet Motor (PMM)
Efficiency >97% at full load 
Power factor 0.98 at nominal load 
Handling regenerative energy Brake chopper and brake resistors 
Overload rating 150% for 1min/5min 
Certifications ISO9001, ISO14001 
Enclosure rating IP66 [ equivalent to NEMA4 ]
Cooling method Forced air cooling 
Altitude 0 to 1000m without derating 
Ambient operating temperature-20 ℃ to 50
Relative humidity 20% to 95% maximum(noncondensing) 
H2S protection Conformal-coated PCBs & bus bars 
Material Carbon steel, the thickness is 2.5mm 
Power cable incoming and outgoing From the bottom of the VFD
Operating interface ABB control panel, 7” touched screen panel is option
Analog inputs/outputs 2 programmable analog inputs and expandable 

2 programmable analog outputs and expandable
Digital inputs/outputs 6 programmable digital inputs 

2 digital inputs/outputs 

1 digital input interlock

3 programmable relay outputs


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+86-22-27606488
Address
No.15-1, Ligang Park, Shuanggang Industry Zone, Jinnan District, Tianjin
E-mail
zhangyu@dcus.cn guoliwei@dcus.cn
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