ZW32-12 Outdoor Vacuum Circuit Breaker
The primary and secondary fusion complete sets of column circuit breakers (deep integration pillar type) meet the standardized design scheme of the "No. 151" document of the Equipment Department of the State Grid Corporation, which is mainly composed of vacuum circuit breakers (deep integration pillar type), feeder terminals, power supply voltage transformers and aviation plug-in connection cables. The circuit breaker adopts an integrated sealed pole with a built-in vacuum interrupter. Electronic transformer, feeder terminal adopts hood structure. The overall design of the product meets the standardized design requirements of the State Grid, and the configured transformer has a wide measurement range and high measurement accuracy. The characteristics of high reliability are convenient for the complete set of primary and secondary fusion devices to accurately determine various faults of the line. It is suitable for feeders, contact points, segmentation point branches or user demarcation points of 10KV overhead distribution lines, and plays the role of breaking, controlling, protecting and line loss collection in the line.
Standardized complete set of design: in line with the requirements of the State Grid for the standardization and customization of the primary and secondary integration, the installation size is consistent, the interface is unified, and it can be interchanged.
Structural features: three-phase independent pillar structure, air insulation, vacuum arc extinguishing, breaking short circuit current of 20kA up to 30 times.
Integrated design: The electronic voltage and current sensor is sealed in the pole, with stable structure and small partial discharge, providing strong signal support for the feeder terminal.
Independent ability: The sensor module has qualification and independent production capacity, superior performance, wide measurement range, high measurement accuracy and strong reliability.
Condition monitoring: Support analog and status data acquisition and monitoring, remote signal anti-shake, local indication of operation status, communication status, line fault status, etc.
Edge computing: High-performance edge computing enables on-site analysis of running conditions.
Protection function: It can realize accurate research and judgment and rapid isolation of short-circuit faults, grounding faults and disconnection faults.
Intelligent terminal: It has the functions of line loss collection, feeder automation, communication, positioning, timing recording, power management, etc., and supports remote maintenance.
High adaptability: suitable for high altitude, high pollution seconds, high condensation, high salt spray and severe cold areas.
The name of the parameter | numeric value |
Rated conversion ratio | Mesh current transformer: 600A/5A or 600A/1A |
Zero sequence current transformer diagram: 100A/1A (current amplification factor>6) | |
Zero Sequence Voltage Sensor: (10kV/)/(6.5V/3) | |
Power supply voltage transformer: 10A0.1/0.22kV | |
Accuracy rating | Phase current transformer: protection 5P10 level, measurement 0.5S level |
Zero sequence current transformer: When the input current of the primary side is 1A to the rated current, it can meet the 1S suction (angular difference, ratio difference), and the protection accuracy level is 5P10. | |
Zero sequence voltage sensor: 3P | |
Power supply voltage transformer: 0.5/3 class | |
Rated conversion ratio | Phase current sensor: 600A/1V |
Zero sequence current sensor: 20A/0.2V | |
Phase Voltage Sensor: (10kV/)/(3.25V/) | |
Zero Sequence Voltage Sensor: (10kV/)/(6.5V/3) | |
Power supply voltage transformer: 10kV/0.22kV | |
Accuracy rating | Phase current sensor: measurement 0.5S level, protection 5P10 |
Zero sequence current sensor: When the input current on the primary side is 1A to the rated current, it meets the level of 1S (angular difference, ratio difference), and protects 10P30 | |
Phase voltage sensor: class 0.5 | |
Zero sequence voltage sensor: 3P | |
Power supply voltage transformer: 3 levels | |
unit | parameter |
KV | 12 |
A | 630 |
Hz | 50 |
KV | Interphase, ground 75/fracture 85 |
KV | Interphase, to the ground 42/fracture 48 |
KA | 20 |
times | 30 |
KA | 20(4s) |
KA | 50 |
Kv | 2 |
pc | ≤20 |
mm | 920X160 |
mm | 340 |
kg | ≤130 |
/ | IP67 |
times | 20000 |
/ | O-0.3s-CO-180s-CO |
/ | Sealed pole (electronic) |
/ | Standardized hood type, box type |
Current and voltage sensor configuration
Parameter | Parameter Name | Numeric |
Transformer combination mode | Rated conversion ratio | Phase Path Sensor: 600A/1V |
Zero sequence current sensor: 20A/0.2V | ||
Phase Voltage Sensor: (10kV/)/(3.25V/) | ||
Zero Sequence Voltage Sensor: (10kV/)/(6.5V/3) | ||
Power supply voltage transformer: 10kV/0.22kV | ||
Accuracy rating | Phase current sensor, measurement 0.5S level, protection 5P10 | |
Zero sequence current sensor: When the input current on the primary side is 1A to the rated current, it meets the level of 1S (angular difference, ratio difference), and protects 10P30 | ||
Phase voltage sensor: class 0.5 | ||
Zero sequence voltage sensor: 3P | ||
Power supply voltage transformer: 3 levels |
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Tel:+86 15538537280
Email:lycnelectric@163.com
Add:No. 9 Duyu Street, Luolong District, Luoyang City, Henan Province