oil type low voltage circuit breaker for self protected transformer/CSP

Breaking Capacity
Low Voltage Circuit Breakers
Operation
Electric Type
Speed
Normal Type Circuit Breaker
Arc-extinguishing Medium
Air
Installation
Fixed
Structure
Csp
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oil type low voltage circuit breaker for self protected transformer/CSP

Beierbian Group is to offer products that reduce the overall cost of ownership to customers in terms of time, labor and materials.

CSP Technology

Complete self-protected technology for high performance distribution transformers

CSP is a protection system for distribution transformers. The CSP protection system protects the transformer from lightning, secondary faults, severe overloads and provides visual warning of abnormal loading conditions.CSP technology allows transformer manufactures to build high performance distribution transformers which mitigate the operation and maintenance problems associated with conventional transformers.

CSP design provides maximum protection against transformer failure and disruptive outages. It also protects you from extra costs of more complicated installation, unnecessary equipment and power downtime.

CSP advantages:

Lower installed cost

Less time for installation

Easier and simpler installation

Safer operation

More reliable service

Automatic load management

Lower cost of operation

Lower maintenance cost and time

Better aesthetics

Beierbian Group CSP protection system

Beierbian Group transformer CO.,LTD manufactures several components, in order to create the CSP transformer. These components when applied to the transformer during its manufacturing process, provide multiple layers of protection.

High voltage fuse

Acts as over current protection by isolating the faulty transformer from the network. it is mounted inside of the transformer and it is connected between the incoming high voltage lead from the bushing and the high voltage line lead from the transformer primary winding.

Low voltage (secondary) circuit breaker

Provides secondary fault and overload protection. the circuit breaker is mounted inside of the transformer and it is connected between the secondary winding and secondary bushing, such that the current flows through the circuit breaker.

Overload indicator

Provides visual indication of abnormal loading conditions. the signal light is electrically connected to the signal light sensing circuit within the transformer.

Oil immersed low voltage(secondary)circuit breaker

The low voltage circuit breaker is the central component of CSP technology. It is this circuit breaker which provides the entire over current protection to the transformer. Circuit breaker protects the transformer in the following scenarios:

Thermal protection:

To increase the longevity of the transformer the circuit breaker will trip once the oil in the transformer reaches a pre-determined temperature level.

Overloading:

Similar to thermal protection, the circuit breaker will protect the transformer from damaging overloading conditions for a sustained period of time.

Secondary fault (short circuit):

The circuit breaker will respond to secondary faults external to the transformer by tripping open, and in most cases, this action will prevent any thermal damage occurring to the transformer.

Beierbian Group circuit breaker advantages:

Conforms to IEC standards IEC-60947-2 specifications.

High quality components

Available in 1-Pole,2-Pole and 3-Pole variations for single phase and three phase transformer. Current rating up to 270Amps.

Thermal protection settings customized as per customer requirements.

Signal light to provide early warning of overload/high oil temperatures.

Operating handle allows quick reset.

Optional features

Magnetic trip

Magnetic trip element increases the opening speed of the circuit breaker under high fault current conditions. this increased opening speed permits the circuit breaker to interrupt larger values of fault currents.

Emergency control

Emergency control allows the power utility to immediately restore service in an emergency by closing the circuit breaker even when the preset overloading limit is reached.

Breaker on bracket (BOB)

Breaker on Bracket design allows simple and fast installation of the circuit breaker. significantly reduces any issues borne out of incorrect installation of the circuit breaker.

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