BSMJ Series Self-healing Low Voltage Shunt Capacitors
✅Service life can exceed 100,000 hours
✅Compact Size, Light Weight
✅maintenance-free,Eco-Friendly
✅Low Loss,tanδ < 0.2%
✅High Safety,no explosion.
- Product Introduction
Jinneng BSMJ Self-healing low voltage shunt capacitors refer to metallized film capacitors with a self-healing function and a rated voltage of 1kV or below. They are primarily used in low-voltage distribution systems for reactive power compensation, improving the power factor, enhancing power quality, and reducing line losses.
Low Voltage: Typically refers to power frequency voltage levels such as 400V, 450V, 480V, 525V, 690V, and 1000V.
Self-Healing: This is the most critical technical feature, referring to the capacitor's ability to automatically restore insulation and continue operating after a localized dielectric breakdown occurs internally.
Structure feature:
| Product Features | Details |
|---|---|
| small size and Lightweight | It is only 1/4 or 1/5 of the weight of the traditional old product |
| Low Power Loss | Active power loss is less than 1.2 W/kVar. |
|
Excellent Self-Healing ability |
Due to the local breakdown of the medium caused by overvoltage or overcurrent, it can self-heal quickly and resume normal operation. |
| High Security | Built-in discharge resistance and overpressure protection devices ensure safe operation. |
| No Leakage | Designed to prevent leaks and improve safety and reliability. |
Technical specification:
| Technical Specifications | Details |
|---|---|
| Rated Voltage | 0.23 ~ 1.14 kV |
| Rated Capacity | 1 - 60 kVar |
| Rated Frequency | 50 Hz or 60 Hz |
| Capacitance Deviation | -3 ~ 5% |
| Active Power Loss | < 1.2 W/kVar |
| Electrode Voltage Intensity | 2.15 Un (5 seconds) |
| Maximum Allowable Overvoltage | L.Un |
| Maximum Allowable Overcurrent | 1.3 In |
| Self-Discharge Characteristics | Remaining voltage drops from 2 Un to less than 50 V within 3 minutes after power off. |
| Compliance Standards | GB/T12747, IEC 60831 |
| Safety Guidelines | Details |
|---|---|
| Installation and Maintenance | Must be operation by qualified person. |
| Power Supply | Before running, cut off the power supply of the device. |
| Discharge Procedure | After disconnecting, maintain at least 3 minutes before power on; use an insulated wire to discharge the capacitor poles before touching. |
| Installation Requirements | Maintain a minimum gap of 50 mm between capacitors and ensure sufficient ventilation in the capacitor cabinet; install in a well-ventilated area. |
Product Models
|
Type specification |
Rated voltage(kV) |
Rated capacity(kvar) |
Frequency |
Rated Capacitance (uF) |
|
0.4-3-3 |
0.4 |
3 |
50Hz |
59.7 |
|
0.4-5-3 |
5 |
99.5 |
||
|
0.4-10-3 |
10 |
199 |
||
|
0.4-15-3 |
15 |
299 |
||
|
0.4-20-3 |
20 |
398 |
||
|
0.4-25-3 |
25 |
498 |
||
|
0.4-30-3 |
30 |
597 |
||
|
0.4-40-3 |
40 |
796 |
||
|
0.45-10-3 |
0.45 |
10 |
157 |
|
|
0.45-20-3 |
20 |
315 |
||
|
0.45-25-3 |
25 |
393 |
||
|
0.45-30-3 |
30 |
472 |
||
|
0.45-40-3 |
40 |
629 |
||
| 0.48-5-3 | 0.48 | 5 | 69.1 | |
| 0.48-10-3 | 10 | 138.2 | ||
| 0.48-15-3 | 15 | 207.3 | ||
| 0.48-20-3 | 20 | 276.5 | ||
| 0.48-25-3 | 25 | 345.6 | ||
| 0.48-30-3 | 30 | 414.7 | ||
| 0.525-10-3 | 0.525 | 10 | 115 | |
| 0.525-15-3 | 15 | 173 | ||
| 0.525-20-3 | 20 | 231 | ||
| 0.525-25-3 | 25 | 289 | ||
| 0.525-30-3 | 30 | 347 | ||
| 0.69-10-3 | 0.69 | 10 | 67 | |
| 0.69-15-3 | 15 | 100 | ||
| 0.69-20-3 | 20 | 134 | ||
| 0.69-25-3 | 25 | 167 | ||
| 0.69-30-3 | 30 | 210 |
Note：The above parameters are typical size for reference, can be customized according to customer requirements, our company reserves the right to change the data.Contact us
Our capacitor advantages:
| Product Features | Details |
|---|---|
| High-Quality Insulation | Capacitors are impregnated with high-quality vinyl (semi-dry degradable soft polyurethane resin) and injected twice. Liquidization starts only at temperatures above 80 degrees Celsius. |
| Critical Design Parameters | The diameter of the capacitor is designed with significant consideration, along with the thickness of the internal film. |
| High-Temperature Resistant Film | Utilizes a 110-degree high-temperature resistant film with sufficient thickness tolerance. |
| Larger Aluminum Can Diameter | The aluminum can has a larger diameter to enhance performance and durability. |
| Long Test Duration | Samples tested by Siemens under 1.25 times overload conditions have performed reliably for over 1,000 hours. |
| Harmonic Resistance | The capacitors has slight resistance to harmonics under operational conditions. |
Application
Jinneng electric cylindrical self-healing low voltage shunt capacitance have been widely used in power grid, electric power, photovoltaic, communication, chemical, machinery, smelting, oil fields, factories, charging piles, railway stations, hospitals, schools, real estate, commercial centers and so on.
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