Product Name
CV1 Indoor High Voltage Vacuum Circuit Breaker
::Product Description::
1. Overview
CV1 series indoor high-voltage vacuum circuit breaker is a new generation of high-voltage electrical products, suitable for control and protection in power grids with AC 50Hz and rated voltage 12kV and below. It is widely used in industrial and mining enterprises, substations and other places.
●Circuit breakers are available in fixed type and handcart type;
●Circuit breakers can be installed in KYN28A, KYN44A type switch cabinets or matched with other armored central cabinets;
●The circuit breaker is suitable for reclosing operation and can be used in places with frequent operations.
2. Implementation standards
IEC60694: 1996, GB/T 11022-1999 "Ultimate technical requirements for high-voltage switchgear and control equipment standards"
IEC62271-100: 2001, GB 1984-2003 "High-voltage AC circuit breaker"
JB 3855-1996 "3.6kV ~ 40.5kV indoor AC high-voltage vacuum circuit breaker"
DL /T 403-2000 "Technical Conditions for Ordering High-voltage Vacuum Circuit Breakers from 12 kV to 40.5kV"
DL/T 615-1997 "Guidelines for Parameter Selection of AC High-voltage Circuit Breakers"
3 , normal working environment and installation conditions
●The altitude does not exceed 1000m;
●Ambient temperature: +40℃～-5℃, and the average value measured within 24h does not exceed 35 ℃;
●Relative humidity: the maximum daily average is not more than 95%, the maximum monthly average is not more than 90%;
●The surrounding air is not significantly affected by dust, smoke, corrosive and /or pollution from flammable gases, steam and salt spray;
●Vibration or ground motion from outside the switchgear and control equipment can be ignored;
●Induced in the secondary system The amplitude of electromagnetic interference does not exceed 1.6kV.
4. Product Features
●CV1 indoor high-voltage vacuum circuit breaker has passed all type tests of the National High-voltage Electrical Appliances Quality Supervision and Inspection Center in accordance with the latest national standard GB1984-2003;
●CV1 indoor high-voltage vacuum circuit breaker has short-circuit current interruption times of 274 times;
●CV1 indoor high-voltage vacuum circuit breaker has passed the EMC electromagnetic compatibility test;
● CV1 indoor high-voltage vacuum circuit breaker does not require maintenance during the expected number of short-circuit current interruptions (E2 level);
●CV1 indoor high-voltage vacuum circuit breaker has very high performance during capacitive current interruption. Low probability of heavy breakdown (C2 level);
●CV1 indoor high-voltage vacuum circuit breaker can be operated maintenance-free and frequently, and the mechanical life is not less than 10,000 times (M2 level).
5. Main technical parameters
Main technical parameter table of CV1 indoor high-voltage vacuum circuit breaker
Main technical parameter table of CV1 series indoor high-voltage vacuum circuit breaker< /p>
Project unit data
Rated voltage Ur kV 12
Rated insulation
Insulation level 1min power frequency withstand voltage Ud (effective value) kV 42
Lightning impulse withstand voltage Up (peak value) kV 75
Rated frequency fr Hz 50
Rated current Ir A 630, 1250, 1600, 2000, 2500, 3150
Rated short-circuit breaking current Isc (effective value) kA 25, 31.5, 40
Rated peak withstand current Ip kA 63, 80, 100
< p>Rated short-circuit making current kA 63, 80, 100Rated short-time withstand current Ik (effective value) kA 25, 31.5, 40
Rated short-circuit duration tk s 4
Rated back-to-back capacitor bank breaking current Ibb (effective value) A 400
Rated back-to-back capacitor bank closing inrush current Ibi (peak value) kA 20 (frequency 4250Hz)
Rated operating sequence automatic reclosing: O—0.3s—CO—180s—CO
Non-automatic reclosing: O—180s—CO—180s—CO
Close and the rated power supply voltage of the opening device Uop V AC: 110, 230; DC: 110, 220
The rated power supply voltage of the auxiliary circuit Ua V AC: 110, 230; DC: 110, 220
< p>MechanicalLife span 210mm circuit breaker 20000 times
Phase spacing 150mm and 275mm circuit breaker 10000
CV2 type indoor high voltage vacuum circuit breaker
p>::Product Description::
1. Overview
CV2 series indoor high-voltage vacuum circuit breaker is the company's application of advanced low-voltage circuit breaker design concepts to high-voltage The new high-voltage vacuum circuit breaker developed during the circuit breaker design work is suitable for controlling and protecting power grids with AC 50Hz and rated voltage 12kV and below. It is widely used in industrial and mining enterprises, substations and other places.
●Circuit breakers are available in fixed type and handcart type;
●Circuit breakers can be installed in KYN28 switch cabinets or matched with other armored central cabinets, and can be combined with VS1 and VD4 Interchangeable;
●The circuit breaker is suitable for reclosing operation and can be used in frequent operating locations.
2. Comply with standards
IEC60694: 1996, GB/T 11022-1999 "Ultimate technical requirements for high-voltage switchgear and control equipment standards"
IEC62271-100: 2001, GB 1984-2003 "High-voltage AC circuit breaker"
JB 3855-1996 "3.6kV~40.5kV indoor AC high-voltage vacuum circuit breaker"
DL /T 403-2000 "Technical Conditions for Ordering High-voltage Vacuum Circuit Breakers from 12 kV to 40.5kV"
DL/T 615-1997 "Guidelines for Parameter Selection of AC High-voltage Circuit Breakers"
3 .Normal usage conditions
●The altitude does not exceed 1000m;
●Ambient temperature: +40℃~-5℃, and the average value measured within 24 hours does not exceed 35℃; < /p>
●Relative humidity: the maximum daily average is not more than 95%, and the maximum monthly average is not more than 90%;
●The surrounding air is not significantly affected by dust, smoke, corrosive and/or flammable Pollution from sexual gases, steam and salt spray;
●Vibration or ground motion from outside the switchgear and control equipment can be ignored;
●Electromagnetic interference induced in the secondary system The amplitude does not exceed 1.6kV.
4. Product Features
●The main circuit adopts solid-sealed poles with solid insulation technology, realizing a completely maintenance-free primary conductive circuit;
●Operation mechanism The company's mass-produced modular spring operating mechanism is used, and the operating experience of hundreds of thousands of units shows that it has high reliability;
●The accessories are common with the company's low-voltage frame circuit breakers to reduce user spare parts Type and quantity of accessories;
●CV2 indoor high-voltage vacuum circuit breaker has a short-circuit breaking current of 274 times;
●CV2 indoor high-voltage vacuum circuit breaker has a rated short-circuit breaking current of The number of interruptions is 30 times;
●CV2 indoor high-voltage vacuum circuit breaker has passed the EMC electromagnetic compatibility test;
●CV2 indoor high-voltage vacuum circuit breaker has the expected number of interruptions of short-circuit current. During this period, no maintenance is required (E2 level);
●CV2 indoor high-voltage vacuum circuit breaker has a very low probability of heavy breakdown (C2 level) during the capacitive current breaking process;
●CV2 indoor high-voltage vacuum circuit breaker can be operated maintenance-free and frequently, and its mechanical life is not less than 10,000 times (M2 level).
5. Main technical parameters
Main technical parameters of CV2 indoor high-voltage vacuum circuit breaker