Jls-35 Type Oil-Immersed Combined Transformer Vt35kv/100V CT20A/5A

Jls-35 Type Oil-Immersed Combined Transformer Vt35kv/100V CT20A/5A image

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Basic Info.

Cooling Method

Oil-immersed Type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001-2000, ISO9001, CCC

Usage

Power Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Cnkc

Rated Frequency

50Hz

Rated Voltage/Hv

35kv

Rated Ratio

35kv/100V

Transformer Capacity

630-20000kVA

Power Factor

0.8

Rated Load

Voltage 30va; Current 15va

Current Ratio

5-500A/5A

Transport Package

Wooden Case

Specification

500-24000KVA

Trademark

CNKC

Origin

China

Production Capacity

500/Monthly

Packaging & Delivery

Package Size

166.00cm * 61.00cm * 138.00cm

Package Gross Weight

320.000kg

Product Description

Product Description
JLS-35 type combined transformer (three-phase outdoor oil-immersed high-voltage power metering box) is composed of two voltage transformers and two current transformers (referred to as two elements), which is an oil-immersed outdoor type (which can be used for Indoor), mainly for 35kV, 50Hz power grid for high-voltage power measurement. It is installed on the high-voltage side of the power supply transformer. There are two three-phase active watt-hour meters and two reactive watt -hour meters in the instrument box. They are used to directly measure high-voltage lines, regardless of whether the power is forwarded or reversed. Metering equipment for measuring active and reactive energy locally. It plays an important role in preventing electricity theft, saving energy and strengthening power supply management.
In order to meet the changing needs of the power load in different periods, the product can be made into a double current ratio for adjustment options. If a two-way meter box is used, it can be used for network metering (that is, to measure the amount of electricity generated and used separately). This product has the characteristics of high precision, small size, reliable insulation, good heat dissipation performance, safe and stable operation, and simple and convenient wiring. According to the different requirements of users , the products have various types, which can be arbitrarily matched and freely selected. It is an ideal equipment for current power management.JLS-35 type combined transformer (three-phase outdoor oil-immersed high-voltage power metering box) is composed of two voltage transformers and two current transformers (referred to as two elements), which is an oil-immersed outdoor type (which can be used for Indoor), mainly for 35kV, 50Hz power grid for high-voltage power measurement. It is installed on the high-voltage side of the power supply transformer. There are two three-phase active watt-hour meters and two reactive watt -hour meters in the instrument box. They are used to directly measure high-voltage lines, regardless of whether the power is forwarded or reversed. Metering equipment for measuring active and reactive energy locally. It plays an important role in preventing electricity theft, saving energy and strengthening power supply management.
In order to meet the changing needs of the power load in different periods, the product can be made into a double current ratio for adjustment options. If a two-way meter box is used, it can be used for network metering (that is, to measure the amount of electricity generated and used separately). This product has the characteristics of high precision, small size, reliable insulation, good heat dissipation performance, safe and stable operation, and simple and convenient wiring. According to the different requirements of users , the products have various types, which can be arbitrarily matched and freely selected. It is an ideal equipment for current power management.

Model Description

Technical parameters and structure dimensions

The main technical parameters
1. Rated frequency: 50Hz
2. Insulation resistance: primary to secondary and primary to ground≥1000MΩ; secondary to secondary and secondary to ground≥50MΩ
3. Thermal stable current for 1 second: 75 times the rated primary current (effective value)
4. Dynamic stable current: 188 times the rated primary current (peak value)
5. See the table below for other parameters
Technical indicators
1. Rated voltage: 35KV
2. Connection method: two-element V/V connection method
3. Rated frequency: 50HZ
4. Voltage ratio: 35KV/100V
5. Voltage accuracy grade: 0.2; Current accuracy grade: 0.2S
6. Rated load: voltage 30VA; current 15VA
7. Power factor: 0.8
8. Current ratio 5-500A/5A (double transformation ratio can be made)
9. Power frequency withstand voltage: 10.5KV
10. Ambient temperature: between -25°C and 40°C, the daily average temperature does not exceed 30°C, when the temperature is 20°C, the relative temperature does not exceed 85%, and the altitude is below 1000 meters .
11. Use environment: outdoors, the installation site has no serious pollution, no serious vibration and bumpy places.

Product features and scope of use

This product is composed of three-phase two-element combined transformer and instrument box. The three-phase two-element combined transformer is composed of a single-phase voltage transformer (PT) and two current transformers (CT). PT and CT are both Electromagnetic type, two PT windings are composed of V/V connection method, three-phase measuring device, and the primary windings of two CTs are connected in series with phase A and phase C of the grid respectively. In the metering part, there are two three-phase active and reactive energy meters each with an inverter to realize the electric energy measurement of forward power transmission and power transmission.
Once connected to AP1-AP2, CP1-CP2 is a large current ratio, and when connected to AP1-AP3, CP1-CP3 is a small current ratio.
For example: 50-100/5, once connected to AP1-AP2, CP1-CP2 is 100/5, once connected to AP1-AP3, CP1-CP3 is 50/5.
The product has: low magnetic density, wide load, anti-theft electricity metering box with multiple current ratios, in the state of bidirectional power transmission, no matter when the load interval changes greatly, the high precision of 0.2S can accurately measure electric energy and so on.

Product details

Products real shot

A corner of the production workshop

Product packaging

Product application case

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