SVR 6-35kv 630-20000kVA High Voltage Line Feed Automatic Voltage Regulator Power Transformer

SVR 6-35kv 630-20000kVA High Voltage Line Feed Automatic Voltage Regulator Power Transformer image

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Basic Info.

Model NO.

SVR

Usage

Power Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Cnkc

Rated Frequency

50/60Hz

Rated Voltage/Hv

6/10/35kv

Rated Voltage/LV

400V

Transformer Capacity

630-20000kVA

Connection of Transformer Winding

Ya0

Transport Package

Wooden Case

Specification

500-24000KVA

Trademark

CNKC

Origin

China

Production Capacity

500/Monthly

Product Description

Product Description
The SVR line automatic voltage regulator is a device that ensures the stability of the output voltage by tracking the line voltage changes and automatically adjusting the transformation ratio of the device itself. It can automatically adjust the input voltage within the range of ±20%. It is especially suitable for lines with large voltage fluctuations or lines with large voltage drops. Install this feeder voltage regulator in series in the middle of 6kV, 10kV and 35kV lines. At the rear, the line voltage is adjusted within a certain range to ensure the user’s power supply voltage and reduce the line loss of the line. In addition, the SVR feeder automatic voltage regulator is also suitable for substations where the main transformer does not have the ability to regulate voltage. This voltage regulator is installed on the outlet side of the transformer in the substation to ensure the bus voltage on the outlet side. It has a wide range of applications in the national rural power grid, urban power grid, oil field, coal, chemical industry, substation and other fields.

Model Description

Technical parameters and structure dimensions

Product features and scope of use

main feature:
(1) The whole device has large capacity, low loss, small volume, and easy installation and maintenance;
(2) Track the voltage change and automatically adjust the position of the three-phase on-load tap-changer, with reliable action and high voltage adjustment accuracy;
(3) The voltage reference, action delay, allowable range, and number of times can be adjusted as needed, and the parameter setting is flexible and convenient;
(4) Display the SVR on-load tap-changer gear action times and current gear, with the highest and lowest gear indications;
(5) It has the upper and lower limit protection of gears, and the action time limit function, which effectively improves the reliability of the product;
(6) The controller has the functions of over-voltage drop and under-voltage protection. When the line is in over-voltage or under-voltage state, the controller automatically locks; to ensure the safe operation of the on-load tap- changer
(7) The controller adopts industrial-grade control chip, which has high reliability and strong anti-interference ability, and can adapt to harsh outdoor environments;
(8) With RS485 communication interface, the parameters of the controller can be viewed and modified through the wireless communication module.
Environmental conditions:
1. Altitude: ≤2000m
2. Ambient temperature: -25ºC~+45ºC
3. Relative humidity: less than 90%
4. Anti-pollution ability: Class III
5. Installation inclination: < 2%
6. There is no filthy and corrosive medium around the device that seriously affects the insulation performance of the device, and there is no danger of fire and explosion in the workplace, and no violent vibration.
Note: When the working environment exceeds the above conditions, the user needs special instructions when ordering.

Product Standards

1. Production design standards:
JB8749-1998 General technical requirements for voltage regulators
GB1094-2013 Power Transformer
GB/T6451-2008 Three-phase oil-immersed power transformer technical parameters and requirements
GB/T17468-1998 Guidelines for selection of power transformers
GB10230-2007 On-load tap-changer
GB/T1058-1989 Guidelines for the application of on-load tap-changers
DL/T572-2010 Operation Regulations for Power Transformers
2. Acceptance criteria:
The voltage of the SVR line automatic voltage regulator installation point meets the requirements of the national standard GB/T12325-2008 power supply voltage deviation standard: the sum of the absolute value of the positive and negative deviations of the power supply voltage of 35kV and above does not exceed 10% of the rated voltage; 20kV and below three The allowable deviation of the phase power supply voltage is ±7% of the rated voltage; the allowable deviation of the 220V single-phase power supply voltage is +7% and – 10% of the rated voltage.

Product details

Products real shot

A corner of the production workshop

Product packaging

Product application case

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