low voltage protection with current transformer
This product is used for 220KV and 500KV relay protection signal acquisition, isolation, insulation, with strong anti-saturation characteristics.
It can be used in power system relay protection and automation devices in the low voltage level for the protection of the system transformer.
According to the user's requirements to design and produce products, the following figure shows the Tianrui Electronics many products more representative of several.
▇ main features
Good linearity, wide working range and excellent consistency
The circuit is simple, no external power supply, reliable operation
Overload capability, can withstand 20 times the rated current instantaneous red saturation
Can be superimposed 30% DC component waveform undistorted
The current and voltage change into place in a single pass, and the measured current will be directly isolated and converted
Into voltage output
▇ the main parameters
Rated input current Iin: 0-5 A
The maximum measurement current Imax: 20 × Iin
Secondary output voltage Vo: 0-10 volts
Non-linearity: than the difference of ± 0.2%;
Angle difference <± 10 points
Frequency characteristics: 45-1500 Hz
Output load impedance:> 50 kw
Insulation resistance:> 500 megohms
▇ model definition
▇ performance indicators
Note: Customers can choose according to system requirements in input and output value range.
▇ Dimensions （Unit: mm）
Corresponding parameter set not found, please add it in property template of background
high-voltage protection with current transformer