High-voltage power receiving equipment
Substation cubicle
A power receiving and transforming panel (cubicle) houses the equipment necessary for high-voltage power reception within a metal box, transforming and supplying power at 100V, 200V, and 400V. Power receiving equipment is provided according to the customer's needs.
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automatic power factor control panel
An automatic power factor adjustment panel is a power management device that improves the power factor, reduces the labor required for power factor management, and suppresses voltage fluctuations caused by reactive power.
Improving the power factor saves on electricity bills and stabilizes voltage, reducing the burden on equipment.
Tunnel cubicle
A tunnel cubicle is a cubicle specifically designed for tunnel and shield tunneling sites.
By incorporating a compact molded transformer, installation is possible even in narrow spaces, while providing exceptional dust and moisture resistance. We offer a variety of tunnel cubicles.
This is a compact mole-type cubicle, ideal for installation at the midpoint of tunnel and shield tunneling sites. The "baby mole" cubicle integrates lighting and power into a single unit. It's a compact cubicle incorporating a molded transformer. It helps reduce costs for low-voltage main lines and improves work efficiency.
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Baby mole cubicle
Tunnel cubicles are specialized cubicles designed for tunnel and shield tunneling sites. They feature a compact molded transformer, allowing for installation in confined spaces and offering exceptional dust and moisture resistance. We offer a variety of tunnel cubicles.
This compact cubicle is ideal for installation on the upper floors of high-rise buildings. The building cubicle integrates lighting and power into a single unit. It's a compact cubicle incorporating a molded transformer. The building cubicle is modular, making it convenient for transport. It helps reduce costs and improve work efficiency for low-voltage main lines.
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Transformer excitation inrush current control/suppression device (energy saver panel)
The energy saver panel is a device that suppresses the instantaneous voltage drop caused by the inrush current that occurs when a transformer is switched on. A compact, box-type version is also available. It can also be integrated into a cubicle.
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Flicker compensation device
Flicker is a phenomenon where fluorescent lights and other devices flicker due to repeated voltage fluctuations in power lines. When large-capacity machinery is in operation during construction or other work, voltage drops occur. This can then spread to surrounding consumers, causing problems such as flicker. Power companies regulate the magnitude of voltage drops, and countermeasures are required if the limit is exceeded. As a countermeasure against flicker caused by voltage fluctuations, we propose flicker compensation devices to our customers.
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Harmonic AC filter device
Harmonics are defined as sine waves that are integer multiples of the fundamental frequency of 50Hz or 60Hz, which is the commercial frequency. In recent years, harmonics generated from inverter equipment and other devices that require switching operations such as power transistors and thyristors have adverse effects on electrical and electronic equipment, so power companies require countermeasures. Our company can propose the most suitable harmonic countermeasures for our customers using active filters, low-voltage power factor correction capacitors (LC filters), and other methods.
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Three-phase three-wire transformer
This transformer converts 3Φ400V to output 3Φ200V. It houses a Class H dry-type transformer and circuit breaker in an outdoor box. It can also convert 3Φ200V to output 3Φ400V.
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Reverse V transformer
This transformer converts 3Φ400 or 200V to output 1Φ3W (100-0-100V). It houses a Class H dry-type transformer and circuit breaker in an outdoor box. It can also convert 3Φ200V to output 3Φ400V.
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Single-phase transformer
This transformer converts 1Φ200V to output 1Φ3W (100-0-100V). It houses a Class H double-wound dry transformer and circuit breaker in an outdoor box. It can also convert 3Φ200V to output 3Φ400V.
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Step-up transformer
This transformer boosts voltage by adjusting the 3Φ 200V tap. It houses a Class H dry-type transformer and circuit breaker in an outdoor box. Fine voltage adjustment is possible via the tap. Step-up transformers for 1Φ 3W and 1Φ 2W are also available.
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Switchboard
No-fuse breaker
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NP-400A
NP-500
High-speed type earth leakage circuit breaker
EL-400A
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Time-delay type earth leakage circuit breaker
GT-400A
GT-500
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