Introduce:
CTK Series zero-sequence current transformers are used inconjunction with relay protection devices or signals when thepower system generates zero-sequence grounding current, sothat the device components can operate to achieve protectionor monitoring.
When an electric shock or leakage fault occurs in the circuit.the secondary side of the transformer outputs a zero-sequencecurrent, so that the equipment on the connected secondarv linewill be protected (cut off the power supply, alarm, etc.)
Mainfeatures:
Detection of unbalanced current: ZCT is designed to measure the unbalanced current in a three-phase electrical system, which is the sum of the three phase currents. This allows them to detect ground faults, which can occur when a fault current flows from one or more of the phase conductors to ground.
High sensitivity: ZCT is highly sensitive and can detect even small amounts of ground fault current. This helps to prevent damage to equipment and reduce the risk of electric shock to personnel.
Accuracy: ZCT is designed to provide accurate measurements of the zero-sequence component of the current, even in the presence of high levels of noise or interference.
Non-intrusive installation: ZCT is typically installed around the neutral conductor of a three-phase system, which means that they can be installed without the need to break the circuit or interrupt power to the load.
Frequency response: ZCT is designed to operate over a wide range of frequencies, typically from 50Hz to 400Hz, which makes them suitable for use in a variety of applications.
Low burden: ZCT is designed to have a low burden, which means that they do not significantly affect the operation of the circuit or the accuracy of other measurement devices in the system.
Application:
Electric fire monitorin
Fire prevention and leakage protection system
Electromagnetic relaying protection
Microcomputer protection, etc.
