An oil-immersed voltage stabilizer is a type of electrical device designed to maintain a stable output voltage despite fluctuations in the input voltage, and it uses transformer oil (mineral oil) as both an insulating medium and a cooling agent.
Key Features: Oil Immersion: The core components (such as the transformer, tap changer, and windings) are submerged in high-quality insulating oil. The oil provides electrical insulation between live parts and helps dissipate heat generated during operation, improving thermal performance and longevity. Voltage Stabilization Mechanism: Typically uses an auto-transformer with multiple taps. A control circuit continuously monitors the output voltage. When voltage fluctuates, a servo motor or relay-based system switches taps to adjust the turns ratio, thereby correcting the output voltage to a stable level (e.g., 220V or 380V). High Capacity & Durability: Commonly used in industrial, commercial, and utility applications where power demands are high (e.g., 10 kVA to several MVA). Oil cooling allows for higher overload capacity and longer service life compared to dry-type (air-cooled) stabilizers. Safety and Protection: Equipped with safety features like overload protection, short-circuit protection, oil temperature monitoring, and pressure relief devices. The sealed tank design minimizes oxidation and moisture ingress.
Advantages: Excellent heat dissipation → suitable for continuous heavy-duty operation. High efficiency and reliability. Lower fire risk compared to some dry-type units (though oil is flammable, it’s contained and often includes fire-resistant additives). Better voltage regulation accuracy under varying loads.
In summary, an oil-immersed voltage stabilizer combines robust transformer technology with precise voltage regulation, making it ideal for high-power, mission-critical environments where reliability and thermal management are paramount.
Q1: What Is The Guarantee? A1:Within 5 Year From The Sale Date, If There Are Any Accessory Problems,You Just Provide The Photos Of Damaged Accessory, Then We Will Provide A Satidfication After-Sale Service For Free. Q2: Can We Put/Show Our Own Logo On Your Products? A2: Yes, No Problem, However, The Quantity Should Be A Bit Big.




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Step 1
Payment and order readiness
Minimum order: 5 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
9 days
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Step 3
Packaging and dispatch
Economy · Approx. shipping fee: $ 294.71 for 5 pieces · Estimated delivery: Oct 3–Oct 29 (27–53 days)
Final packing, freight, and delivery dates are confirmed before dispatch.
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