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40A 1000: 1 Current Transformer Used for Relay Protection
40A 1000: 1 Current Transformer Used for Relay Protection

40A 1000: 1 Current Transformer Used for Relay Protection

China 40A 1000: 1 Current Transformer Used for Relay Protection, Find details about China Current Transformer, Transformer Manufacturer from 40A 1000: 1 Current Transformer Used for Relay Protection

Model NO.
LMZ-2ZCT(40A)
Insulating Medium
Insulating Paper
Installation
PCB Mounting
Magnetic Circuit Structure
Cascade Type
Voltage Transformation Principle
Capacitive Type
Turns Ratio
1000:1
Trademark
zeming
Transport Package
Cartons
Specification
ISO9001, ISO14001, CE, ROHS, SGS
Origin
Nanjing, Jiangsu
HS Code
8504311000
Model NO.
LMZ-2ZCT(40A)
Insulating Medium
Insulating Paper
Installation
PCB Mounting
Magnetic Circuit Structure
Cascade Type
Voltage Transformation Principle
Capacitive Type
Turns Ratio
1000:1
Trademark
zeming
Transport Package
Cartons
Specification
ISO9001, ISO14001, CE, ROHS, SGS
Origin
Nanjing, Jiangsu
HS Code
8504311000
           LMZ-2ZCT(40A)                                               
           Small size, high reliability, good consistency,for zero-sequence protection

Structural parameters:

40A 1000: 1 Current Transformer Used for Relay Protection
               Front View                                                           Bottom View
 
Environment conditions::
1. Normal operating conditions
    a) Ambient temperature:-25~+70 celsius
    b) Relative humidity:5~95
    c) Atmospheric pressure:66KPa~110KPa

2. Ambient temperature limits of storage and transportation
     -40~+70 celsius
Technical Specifications:
1. Rated input current0~40A ,Rated output current0~40mA.Turns ratio 1000:1
2. Rated load resistor≤200Ω

3. Frequency 50HZ

4. Accuracy:ratio error of Rated output and Normal value-0.8%~0.2%.Output termination connects to rated load,when 0.1~1.2 time rated input current,Comparison of output quantity and Nominal output values of rated output,Error should be less than 0.2%.

5. Linearity0.2 (0.1~40A)

6. Phase error:
     a) phase error≤0.5°(Rated input) 
     b)phase error≤1.0°(0.1~40A)

7.Insulation resistor:Between primary and secondary windings;Primary and secondary windings to ground≥1000MΩ(1000Vvoltage)

8.Dielectric Strength:Power frequency50HZ,1 minute,Withstand voltage≥3000V

9.Overload capacity:40A the rated input,continuous work 4 hours

10.Withstand temperature performance

10.1.1High temperature
         Temperature:+70±2 celsius;
         Duration:2h(At rated operating conditions)
10.1.2Low temperature
         Temperature:-20±2 celsius;
         Duration:2h(at the rated operating condition)
10.1.3Temperature Storage
         High temperature:+70±2 celsius; Duration:3h(without load).
         Low temperature:-40±2 celsius; Duration:3h(without load).
        Through temperature storage test of the above requirements,the transformer should be no cracks, breaks, peeling, shedding phenomenon,metal mounting surface can not afford to pitting, no rust.Its electrical performance should be in line with the provisions of 7,10

11.Heat-resistance properties
In environmental condition of temperature+40±2 celsius,relative humidity(93±3)% of transformer,conduct the constant damp heat test for 48h,within 2h before the end of the trial,between each winding of measurement transformer and shielding layer, the core, the insulation resistor between input winding and output winding should be not less than 100MΩ;

12.Mechanical character
   12.1Vibration durability
Nominal frequency range:10Hz~150Hz
Peak acceleration  a:10m/s2,Sweep cycle number on each axis 20.
Duration:10min×20
Requirements:After the test, the transformer should be no loose fastener parts , mechanical damage and so on,the relative performances should be in accordance with the provisions of accuracy, linearity, phase error 
   12.2Shock durability
Peak acceleration of shock pulse:300m/s2;
Pulse duration:    11ms
The number of pulses in each direction:3times
Requirements:After the test, the transformer should be no loose fastener parts , mechanical manage and so on,the relative performances should be in accordance with the provisions of accuracy, linearity, phase error

13.Electrical immunity property
Anti-brust interference performance,Electrostatic discharge Immunity performance,Immunity to Electromagnetic radiation interference performance,Immunity to fast transient interference performance should be consistent with provisions of the complete machine and GB/T 15145

14.Flame-retardant property
The coil, housing and sealing materials of the transformer shall withstand the burning test which GB/T2408 prescribed .

15.Shielding performance
    Transformer should have sound shielding measures.
 
 
   
 

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