
JLSZW3-10 Outdoor Dry-Type Combined Transformer, Epoxy Resin Insulation
Description of JLSZW3-10 Dry-Type Combined Transformer The JLSZW3-6, JLSZW3-10 model outdoor dry-type Epoxy Resin Insulation combined transformer, also known as a metering tank, integrates voltage and current transformers. Designed for three-phase AC systems at 50Hz with a rated voltage of 10kV or below, it is ideal for voltage, current, and energy metering, as well as […]
Description of JLSZW3-10 Dry-Type Combined Transformer
The JLSZW3-6, JLSZW3-10 model outdoor dry-type Epoxy Resin Insulation combined transformer, also known as a metering tank, integrates voltage and current transformers. Designed for three-phase AC systems at 50Hz with a rated voltage of 10kV or below, it is ideal for voltage, current, and energy metering, as well as relay protection. This transformer is widely used in urban and rural power networks, outdoor substations, and industrial power distribution systems.
The JLSZW3-6, 10 model outdoor dry-type combined transformer, also known as a metering tank, integrates voltage and current transformers. Designed for three-phase AC systems at 50Hz with a rated voltage of 10kV or below, it is ideal for voltage, current, and energy metering, as well as relay protection. This transformer is widely used in urban and rural power networks, outdoor substations, and industrial power distribution systems.
Type Designation: JLSZW3-10 Combined Transformer
- J: Voltage transformer
- L: Current transformer
- S: Three-phase
- Z: Epoxy resin casting type
- W: Outdoor device
- 3: Three-phase, four-line configuration
- □: Rated voltage class (kV)
This designation provides a concise overview of the structural and functional features of the JLSZW3-6, 10 model Dry-Type Combined Transformer.
Construction of JLSZW3-10 Combined Transformer
- Voltage Transformer: Features an epoxy resin casting mechanism with an exposed iron core, utilizing high-quality grain-oriented cold-rolled silicon steel sheets. The primary and secondary coils are mounted onto a central post.
- Current Transformer: Incorporates an epoxy resin casting mechanism with a closed iron core, using premium grain-oriented cold-rolled silicon steel sheets for enhanced performance.
- Integrated Design: Three voltage transformers (PT) and three current transformers (CT) are housed within a single sealed iron box, forming a unified and robust structure.
Technical Data for JLSZW3-10 Combined Transformer
- Combined transformer conforms to given provisions in GB20840.4-2015 《combined transformer》;
- Current transformer conforms to given provisions in GB20840.2-2014, 20840.1-2010 《current transformer》;
- Voltage transformer conforms to given provisions in GB20840.3-2013, 20840.1-2010 《voltage transformer》;
- The zinc oxide arrester must be installed at a certain position with less than one meter distance away from the product’s installation place, for lightning protection.
Voltage Transformer Technical Parameters
Type | Rated Voltage Ratio (A) |
Accuracy Classes | Rated Output
(vA) |
Limit Output
(vA) |
Rated Insulation Level (kV) |
---|---|---|---|---|---|
JLSZW3-6
JLSZW3-10 |
3000/100 | 0.2 / 0.5 | 15 / 30 | 300 | 3.6/25/40 |
6000/100 | 7.2/32/60 | ||||
10000/100 | 12/42/75 |
Current Transformer Technical Parameters
Type | Rated Voltage Ratio (A) |
Accuracy Classes |
Rated Output (vA) |
Rated Short-Time Thermal Current (kA) |
Rated Dynamic Current (kA) |
Rated Insulation Level (kV) |
---|---|---|---|---|---|---|
JLSZW3-6
JLSZW3-10 |
5~200/5 | 0.2S | 10 | 100 I1n | 2.5 I1th | 12/42/75 |
0.2 | 10 |
Outline and Dimensions of Installation
JSZW3-6kV JSZW3-10kV Y/Yo wiring mode three-phase four-line three-component
Ordering Guidelines for JLSZW3-10KV model Combined Transformer
- Provide Product Specifications:
Specify the required parameters, such as the current ratio of the transformer (e.g., 5~200/5), accuracy classes (e.g., 0.2S, 0.2, 0.5), rated voltage, and any other technical requirements. - Customizable Exterior Design:
We offer customization of the exterior design to meet specific usage scenarios, such as different installation environments, outdoor conditions, and pollution resistance. - Special Requirements:
For special demands like high-precision requirements, unique current ratios, or specific appearance features, we provide tailored solutions to meet your operational needs. Please contact our technical team for further assistance.
- Causes, and Solutions for Abnormal Heating in 10KV Current Transformers
- Fault Handling Considerations for Current and Voltage Transformers
- Zero-Sequence Current Transformer Protection Principle and Applications
- Analysis and Troubleshooting of Common Issues with Current Transformers
- Instrument Transformer Fault Handling: A Technical Guide
- Analysis of the Impact of Current Transformer Faults on Energy Meter Accuracy