Oil-Immersed Voltage Regulator for Stable Power Supply in Tunnel Construction

In tunnel construction, a stable power supply is the key to ensuring the safety and efficiency of construction, and oil-immersed voltage regulators play an irreplaceable role in this regard.

Solving Voltage Problems

The tunnel construction environment is complex, often facing issues such as long distances from substations and long cable installations. As a result, the input voltage is often lower than the normal operating voltage. Commonly, the voltage drops to 320V - 340V, while construction equipment usually requires a voltage of 380V - 420V to operate normally. The oil-immersed voltage regulator can precisely adjust the input voltage, boosting and stabilizing the unstable low voltage to the required voltage range, meeting the power needs of various electrical equipment in tunnel construction, such as ventilation equipment, excavation equipment, and lighting equipment.

Remarkable Performance Advantages

High - efficiency Voltage Regulation: Based on the principle of electromagnetic induction, it achieves precise control of the output voltage by automatically adjusting the turns ratio of the transformer windings. The accuracy of the output voltage can generally reach within ±1%. Even under unstable grid voltage conditions, it can ensure the normal operation of the equipment.

Rapid Response: It can quickly respond to changes in the input voltage within milliseconds and rapidly adjust the output voltage, ensuring that the equipment is not affected by sudden voltage changes and guaranteeing the continuity and stability of construction.

Strong Overload Capacity: It can withstand a load of 120% - 150% of the rated capacity in a short period to handle potential sudden peaks in power consumption during construction.

Prominent Design Features

The oil-immersed design offers excellent heat dissipation performance and insulation effects. The transformer oil can effectively absorb and dissipate the heat generated by the windings and the core, ensuring that the voltage regulator does not overheat during high - load operation. Meanwhile, the insulating properties of the oil enhance the safety of the equipment, reducing the risk of electric leakage and short - circuits.

Practical Application Results

In actual tunnel construction, the oil-immersed voltage regulator provides a stable voltage for tunneling operations, ensuring that the cutter of the tunneling machine can excavate precisely, improving efficiency and quality, and reducing equipment wear and failures. It also guarantees the continuous and stable operation of the ventilation system, providing fresh air and preventing the accumulation of harmful gases. Additionally, it supplies a stable power source for the lighting system, avoiding flickering lights and ensuring the safety of construction workers.

In conclusion, with its powerful performance and reliable design, the oil-immersed voltage regulator provides a stable and efficient power supply for tunnel construction, serving as a strong support for the smooth progress of tunnel projects.