6 pulse Variable Frequency Drive for ESP
High reliability and availability
6-Pulse high reliability variable Frequency Drive
6 pulse diode VFD and the standard DC choke is built-in. An external harmonic filter that matches with the 6-pulse VFD can meet the low harmonic requirement for input.
Multi-brand drive modules are available.
Fuji drive modules are integrated into EVR3 VFDs, it is a standard solution. But we can also provide other solutions that integrate different brands through-wall mounted drive modules, e.g., ABB and Yaskawa, to meet different requirements about performance and cost from our customers.
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Specifications

Input power supply

3 phase 380V to 480V ±10%, 50/60Hz ±5% 

Converter type

Standard Fuji drive module, 6 pulse diode rectifier

Inverter type

Standard Fuji drive module, IGBTs

Input current protection

Circuit breaker

Input surge suppression

IEC 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 

Harmonic mitigationStandard DC bus choke 
Output voltageThe same as power supply
Output frequency 0.1Hz to 90Hz 
Output waveform High performance Sinewave
Motor controlConstant or Variable Torque (V/F)
Motor technologyInduction motor (IM) 
Efficiency >97% at full load
Power factor0.98 across entire speed range 
Overload rating120% for 1min/5min 
CertificationsISO9001, ISO14001, CE 
Enclosure rating Junction box & main power section: IP66 [ equivalent to NEMA4 ]

Magnetics section: IP24 [ equivalent to NEMA3R ]

Backpack section: IP24 [ equivalent to NEMA3R ]
Cooling system IP66: air-conditioning unit, heat sink 

IP24: forced air cooling 
Altitude 0 to 1000m without derating 
Ambient operating temperature-30 ℃to 55 ℃
H2S protectionConformal-coated PCBs & bus bars 
Material Carbon steel, the thickness is 2.5mm 
Line-side termination Circuit breaker’s lugs in power junction box 
Load-side termination Lugs in power junction box 
Control termination Mounting plate on the dedicated swing door 
Safety features Emergency stop button 

Electronic interlocks

Separated power and control sections

Backspin indication LED on the front door

Prewired IO junction box
Analog inputs (AI) Qty 2: 4-20mA, resolution 12 bits
Digital inputs (DI) Qty 5: DC24V, sink wiring 
Digital outputs (DO) Qty 4: relay output, NO, up to 5A 
Serial communicationQty 1: RS485 Modbus Master (for DHS) 

Qty 1: RS485 Modbus Slave (for SCADA) 


Hotline
+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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