SHIZUKI ELECTRIC
Power Quality Enhancement
Power Factor Correction
Low Voltage Power Capacitors Type:RG-2
Today’s best capasitors for improvement of power factor and voltage regulation on low voltage AC power systems
Medium Voltage Power Capacitors Type:LV-6
The most reliable capacitors for medium voltage power system.
Low Voltage Series Reactors Type:LRB-3
Solve your harmonic problems with Shizuki series reactor.
Harmonic Filter
Various semiconductor devices are now commonly used in factories and buildings since semiconductors have been making remarkable progress. Hereby, harmonics generate from semiconductor devices and cause equipment damages.
Shizuki harmonic restraint devices can solve harmonic troubles.
V-Active Series
Active filters which solve troubles caused by harmonics
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Type
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V-Active200
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V-Active400
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V-Active6600
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Rated voltage
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200,210,220V
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400,420,440V
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6600V
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Compensation
apacity
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10～500kVA
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10～500kVA
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50～1000kVA
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Rated frequency
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50Hz or 60Hz (±5Hz : Follow up control of frequency fluctuation.)
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Phase
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3 phase
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Voltage Sag Compensator
Voltage sag (US English) or Voltage dip (UK English) is a short duration in voltage which can be caused by a short circuit, starting of electric motor, faults occur in transmission line etc. Despite the explanation of that there was no problem with the power supply, voltage sag might have affected equipment damaged or malfunction. Voltage sag compensator is to backup voltage sag and this will avoid interruption at sensitive machines/equipment and production lines
Single Phase : SB rack type
Sag-Backup(SB Series)
Rack Mount Type (EIA:19 inch rack type)
Voltage sag is common failure of very short period of time of voltage drop/disturbance caused by grid change duirng lightning or tight demand of electricity which affect machine’s oepration. SB is a voltage sag compensator to solove the problem for customer continuous oepration. SB rack type is small capacity and suitable for back up control circuit of machines
Three Phase : Type VB-C
Type:VB-C
The VB-C series is an active voltage conditioner designed to solve voltage problems by SHIZUKI Smart Backup System. It responds instantly to power quality problems such as sags and swells, providing continuous regulation of voltage
Capacitors
Inverterization of electric devices has become popular due to energy savings and higher performance. A number of film capacitors are used for inverters.
Optimization of dimensions and cost is possible by selecting the proper film capacitors for each application.
SHIZUKI offers capacitors for numerous applications, including automotive inverters, power electronics circuits, and home appliances.
Oil-filled type and dry type capacitors have protective mechanism.
SHIZUKI capacitors are low-maintenance, low-loss, and eco-friendly
AC Filter capacitor
The output of inverter is a pulse train with different widths at a constant cycle which is controlled by PWM (Pulse Width Modulation). Capacitors are used to average the pulse train and produce a smooth sine wave.
DC Filter capacitor
In AC-DC conversion, DC outputs contain ripples.
Film capacitors suppress those ripples and create smooth DC outputs.
Snubber capacitor
Film capacitors absorb noise generated in DC-AC conversion and protect the switching elements.
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