Products
Closing And Opening Coil
3.Product application
Indoor or outdoor vacuum circuit breakers within 7.2kV~40.5kV
4.Application scope :substations, distribution networks, industrial power equipment and other fields.
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Product Introduction
Products Description
Closing and Opening Coil are the core control components of VTZ modular high-voltage circuit breakers, combined electrical equipment and other electrical equipment. They realize the closing (closing) and disconnection (opening) of the circuit through electromagnetic drive to ensure the safe operation and flexible regulation of the power system. Its design must meet the requirements of high reliability, fast response and long life, and is widely used in substations, distribution networks, industrial power equipment and other fields.
Product Technical parameter
1. The insulation of the coil to the shell can withstand the power frequency voltage ≥ 2500V;
2. The insulation between the coil turns can withstand 2.5 times the rated power frequency voltage (see the table below);
3. The outer diameter of the wrapping tape is less than Ф29;
4. Repeated short-time working system, power-on time is less than 100ms;
5. The stroke of the electromagnet is 18±0.5mm;
6. Working power supply: DC, voltage value is shown in the table below;
7. Other parameters are shown in the table below.
|
Internal resistance |
60%~120% rated voltage |
30% rated voltage |
Operating power |
|
45±5Ω |
60V~120V(DC) |
33V(DC) |
110V |
|
185±10Ω |
132V~264V(DC) |
66V(DC) |
220V |
|
6±0.3Ω |
29V~58V(DC) |
14V(DC) |
48V |
|
150±8Ω |
132V~264V(DC) |
66V(DC) |
220V |
|
160±8Ω |
132V~264V(DC) |
66V(DC) |
220V |
Note: Can be customized according to user requirements.
Scope of application
1. VTZ series indoor integrated vacuum circuit breaker mechanism module;
2. VTZ series indoor split vacuum circuit breaker operating mechanism;
3. VTZ series outdoor split vacuum circuit breaker operating mechanism;
4. VTZ series inflatable cabinet circuit breaker unit operating mechanism;
5. VTZ series combined electrical operating mechanism;
6. Other occasions where modular operating mechanisms are used.
Product Advantages
High reliability
Fully sealed design is optional, and it has passed the EMC anti-interference test to resist power grid fluctuations and electromagnetic noise.
Strong compatibility
It is compatible with power switchgear of mainstream modular mechanisms in China.
Customized service
It supports non-standard customization such as voltage, installation size, protection level, etc.
Customized service
It supports non-standard customization such as voltage, installation size, protection level, etc.
Product Applications
Closing and Opening Coil widely used in Indoor or outdoor vacuum circuit breakers within 7.2kV~40.5kV.
Product Outline Drawing
Product structure introduction
|
NO. |
Name |
|
1 |
Moving iron core assembly |
|
2 |
Coil |
|
3 |
Bending plate |
|
4 |
Compression spring |
|
5 |
Stationary iron core riveting |
|
6 |
O-ring |
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