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SVR-5000/23 Three Phase Oil-Immersed Automatic Voltage Regulator

SVR-5000/23 Three Phase Oil-Immersed Automatic Voltage Regulator

The SVR-5000/23 Three Phase Oil-Immersed Automatic Voltage Regulator (SVR) is designed for outdoor power distribution lines requiring voltage compensation and regulation. With a rated capacity of 5000 kVA, the unit adopts a 23 kV input voltage and 22 kV regulated output voltage, with a voltage regulation range of 0 to −13 × 2.5%.

The oil-immersed, ONAN-cooled design with copper windings provides a reliable solution for long-distance distribution lines and three-phase power supply systems. It is suitable for mining operations, industrial parks, utility distribution networks and renewable energy transmission projects, helping compensate for line voltage drops and maintain stable downstream supply voltage.

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Basic Info.

The SVR-5000/23 is a three phase oil-immersed automatic voltage regulator designed for outdoor voltage compensation applications in power distribution networks.

The regulator is designed to adjust the line voltage according to the specified tap regulation range, helping compensate for voltage drops and fluctuations caused by long-distance power transmission, line impedance and changing load conditions.

The unit has a rated capacity of 5000 kVA, a rated input voltage of 23 kV (23000 V) and a rated regulated output voltage of 22 kV (22000 V). The voltage regulation range is 0 to −13 × 2.5%, with each tap providing a 2.5% voltage adjustment.

The SVR adopts copper windings, oil-immersed ONAN cooling and an outdoor configuration, making it suitable for utility distribution networks and demanding industrial power supply environments.

Performance parameters for reference

Item	Specification
Product Type	Three Phase Oil-Immersed Automatic Voltage Regulator (SVR)
Model	SVR-5000/23
Rated Capacity	5000 kVA
Rated Voltage	23000 V ±0/-13 × 2.5% / 22000 V
Input Voltage	23 kV (23000 V)
Voltage Regulation Range	0 to −13 × 2.5%
Rated Output Voltage	22 kV (22000 V)
Frequency	50 Hz
Phase	Three Phase
Winding Material	Copper
Connection Group	Yao
Cooling Method	ONAN (Oil Natural Air Natural)
Installation	Outdoor
Applicable Standards	IEC 60076, GB 1094.1/2/3/10

Voltage Regulation & Compensation

The SVR-5000/23 is designed to compensate for voltage drops and fluctuations occurring along power distribution lines.

The input side is rated at 23 kV (23000 V), while the regulated output is rated at 22 kV (22000 V). The voltage regulation range is 0 to −13 × 2.5%, with each tap providing a 2.5% voltage adjustment.

This downward voltage regulation configuration enables the SVR to adapt the line voltage according to actual operating conditions and help maintain a stable voltage level for downstream loads.

Key Functions

Compensation of voltage drops on long-distance distribution lines
Regulation of distribution line voltage fluctuations
Improvement of downstream supply voltage stability
Adjustment according to changing load conditions
Support for stable three-phase power supply
Suitable for outdoor distribution network applications

Why Choose SVR Automatic Voltage Regulator?

01 Designed for Long-Distance Distribution Lines

Voltage drop can become more significant as distribution distances increase. The SVR is designed to compensate for line voltage variations and help maintain the required voltage level at the receiving end.

02 Flexible Step Voltage Regulation

The SVR uses a multi-step voltage regulation configuration with 2.5% adjustment per tap and a specified regulation range of 0 to −13 × 2.5%. This allows the output voltage to be adjusted according to line voltage conditions and project requirements.

03 Reliable Voltage Compensation

By adjusting the line voltage within the specified regulation range, the SVR helps reduce the impact of distribution line voltage variations on downstream electrical equipment and loads.

Typical Applications

Mining Operations

Suitable for mining sites where long distribution distances, heavy loads and changing operating conditions can contribute to voltage variations.

Industrial Parks

Used in industrial distribution networks to help maintain stable voltage for large industrial loads, production facilities and supporting electrical systems.

Utility Distribution Networks

Suitable for three-phase distribution systems requiring voltage compensation and regulation along long-distance power lines.

Renewable Energy Transmission

Applicable to renewable energy power transmission and distribution projects where stable voltage is required for downstream power supply.

Long-Distance Power Supply

Suitable for distribution lines where receiving-end voltage may decrease because of transmission distance, line impedance or changing load conditions.

FAQ

Q1: What is an SVR?

SVR stands for Step Voltage Regulator. It is a voltage regulation device used in power distribution systems to adjust and compensate line voltage, helping maintain a stable voltage level at the receiving end.

Q2: What is the rated capacity of the SVR-5000/23?

The rated capacity of the SVR-5000/23 is 5000 kVA.

Q3: What are the rated input and output voltages?

The rated input voltage is 23 kV (23000 V), with a voltage regulation range of 0 to −13 × 2.5%. The rated regulated output voltage is 22 kV (22000 V).

Q4: How does the SVR compensate for voltage drop?

The SVR uses a multi-step voltage regulation system with a 2.5% voltage adjustment per tap. The specified regulation range is 0 to −13 × 2.5%, allowing the output voltage to be adjusted according to line voltage conditions and project requirements.

Q5: What cooling method does the SVR-5000/23 use?

The SVR adopts ONAN (Oil Natural Air Natural) cooling, using natural circulation of insulating oil and surrounding air for heat dissipation.

Q6: Is the SVR suitable for outdoor installation?

Yes. The SVR-5000/23 is designed as an outdoor three-phase oil-immersed automatic voltage regulator for distribution network applications.

Q7: Which standards does the SVR comply with?

The SVR is designed and manufactured according to applicable requirements of IEC 60076 and GB 1094.1/2/3/10, based on the specified product configuration and project requirements.

Q8: Can the voltage regulation range be customized?

The voltage regulation configuration can be designed according to project voltage requirements, distribution line conditions and specified regulation requirements. Please provide the system voltage, required output voltage and operating conditions for technical confirmation.

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