China Factory Suppliers of YTJL-10WF Secondary Fusion Electronic Combined Sensor for Smart Grids
China Factory Suppliers of YTJL-10WF Secondary Fusion Electronic Combined Sensor for Smart Grids
Product Model
Technical Parameters
| Parameter | Value |
|---|---|
| Rated Voltage Transformation Ratio |
Three-phase sequence: 10kV/√3 / 3.25V/√3 Zero sequence: 10kV/√3 / 6.5V/3 |
| Rated Current Ratio |
Three phase sequence: 600A / 1V(A) Zero current: 20A / 0.2V (100/1A) |
| Level of Accuracy | 0.5/1 0.5/5P10 |
| Insulation Resistance | >1000 MΩ |
| Rated Load | 2 MΩ |
| Working Frequency | 50 Hz |
| Temperature Range | -40℃ ~ 70℃ |
| Rated Insulation Level | 12 / 42 / 75 kV |
Outline Dimension
Frequently Asked Questions
Q
What is the rated voltage transformation ratio of this secondary fusion electronic combined sensor?
The rated voltage transformation ratio is: Three-phase sequence — 10kV/√3 to 3.25V/√3; Zero sequence — 10kV/√3 to 6.5V/3. This dual-ratio design supports both phase and zero-sequence voltage measurement in a single unit.
Q
What accuracy levels does this combined sensor support?
The sensor supports accuracy levels of 0.5/1 and 0.5/5P10, making it suitable for both metering and protection applications in medium-voltage distribution systems.
Q
What is the operating temperature range of the sensor?
The sensor is designed to operate reliably across a wide temperature range of -40℃ to +70℃, making it suitable for both harsh outdoor environments and indoor switchgear applications.
Q
What is the rated insulation level of this product?
The rated insulation level is 12/42/75 kV, corresponding to the nominal system voltage, power frequency withstand voltage, and lightning impulse withstand voltage respectively. This meets the requirements for 10 kV distribution networks.
Q
What is the insulation resistance specification for this sensor?
The insulation resistance of the sensor is greater than 1000 MΩ, ensuring excellent electrical isolation performance and long-term operational safety in 10 kV power distribution systems.
Q
What working frequency is this sensor designed for?
This secondary fusion electronic combined sensor is designed for a working frequency of 50 Hz, which is the standard power frequency used in China and many other countries worldwide.