Voltage Stabilizer

Specification

1. AIR COOLED Stabilizers
2. OIL COOLED Stabilizers

Technical specifications for air-cooled and oil-cooled stabilizers

Both air-cooled and oil-cooled servo voltage stabilizers aim to provide stable voltage output by using a servo motor driven system. However, they differ in their cooling mechanisms and are suitable for different applications. Here's a breakdown of their technical specifications:

Air-cooled servo stabilizers

• Cooling Mechanism: Use fans or heat sinks to dissipate heat by circulating air.
• Capacity: Suitable for smaller to medium loads in domestic or commercial settings.
• Construction: Typically, simpler and more compact.
• Maintenance: Requires regular cleaning of cooling components.

Oil-cooled servo stabilizers

• Cooling Mechanism: Immerse the transformer in oil to dissipate heat.
• Capacity: Designed for heavier loads and industrial use.
• Efficiency: More efficient at heat dissipation due to oil's higher heat capacity.
• Construction: More complex and sturdier with an oil-filled tank.

Common specifications

• Output Voltage: Customizable, with standard three-phase outputs like 380V, 400V, or 415V ±1-2%.
• Input Voltage Range: This defines the range of voltage fluctuations the stabilizer can handle. Common ranges include 360-460V, 340-470V, 300-470V, and potentially custom ranges.
• Frequency: Usually 50Hz or 60Hz depending on the grid standard.
• Duty Cycle: Continuous 24x7 operation.
• Waveform Distortion: Ideally, none.
• Response Time: Typically, less than 10 milliseconds.
• Suitable for all power factor loads: Both are generally designed for various power factors.
• Insulation: Typically, Class B for air-cooled and Class A for oil-cooled, with Class F also used in some cases.
• Applicable Standard: Often conform to standards like ISO 9001-2015,
• Control System: Can use Microcontroller (DSP) based systems for reliability and advanced features. Choosing the right stabilizer
The choice depends on your specific application.
• Air-cooled: Suitable for residential and small commercial use.
• Oil-cooled: Better for heavy-duty industrial applications requiring high power and efficient heat dissipation.

Additional Features: Modern stabilizers may offer a variety of additional features such as:

• Automatic/Manual Operation
• Emergency Manual Bypass facility
• LCD or LED displays for monitoring parameters like voltage, current, frequency, and fault conditions
• User-settable parameters for customization
• Event loggers to record operational history and faults
• Surge Protection Devices (SPD)
• MODBUS control for remote monitoring and setting parameters

Note: The specific technical specifications can vary significantly depending on the manufacturer, model, capacity, and customization options offered. When selecting a three-phase stabilizer, consider your specific needs, the load characteristics, the environment, and desired features to ensure optimal performance and protection for your equipment.