Kingsine KF920 Protection Relay Testing

Analog Channels

Current:  AC 6X30A@450VA

AC 3X60A@850VA

AC 1X100A@1000VA

DC 6X20A@300W

Voltage:  AC 7X130V L-N@80VA

AC 3X260V L-N@110VA

AC 3X130V L-N@80W,0.2 class

Accuracy:  AC 0.1class,DC 0.2 class

Distortions:  <0.1%

Auxiliary DC:  0~300V@120W

13 Low-level outputs

Quantity:  13 channels, Phoenix connector

Voltage:  AC 0~8Vrms,DC 0~10V

Current:  Rating 2mA, 10mA transient max.

Power:  ≥0.5VA

Accuracy:  <0.2%(0.01~0.8Vrms)

<0.1%(0.8~8Vrms)

Resolution:  250uV

Distortion (THD %): <0.1%

Fiber Ethernet Ports

Mode:  100Base-FX Full Duplex

Quantity:  8 pairs

Type:  LC

Fiber Type:  62.5/125um(Multiple optical fiber, Orange Red)

Wavelength: 1310nm

Transmit distance: >1Km

Indicator:  SPD Green(light):valid connection

: Link/Act Yellow(blinking):Data exchanging

Frequency & Phase angle

Frequency range:  DC~1.2khZ

Frequency accuracy: ±1ppm

Frequency resolution:  0.001Hz

Phase angle:  -360~+360°

Phase accuracy: <0.05°typ,<0.1°Guar,50/60Hz

Phase resolution:  0.01°

Binary input

Quantity:  8 pairs

Type:  Wet/dry, pulse count, measurement

Threshold:  0~600Vdc,software controlled

Sample rate:  10KHz

Time resolution:  100us

Debounce time:  0~25ms(Software Controlled)

Time range:  Infinite

Time errors:  ±1ms@0.001~1s

±0.1%@>1s

Galvanic isolation:  4 isolated with each 2 pairs

Input impedance:  600KΩ

Binary outputs(Relay type)

Quantity:  4 pairs

Type:  Potential free relay contacts, software controlled

Break capacity AC: Vmax:400Vac/Imax:8A/Pmax:2500VA

Break capacity DC: Vmax:300Vdc/max:5A/Pmax:150W

Binary outputs(Hi-speed Semiconductor)

Quantity:  4 pairs

Type:  Semiconductor, potential free

Break capacity DC: Vmax:350Vdc,ac(p-p)/Imax:0.5A/Pmax:150W

Response time:  100us

AC/DC Measurement

Voltage range:  0~600V,DC/ACrms,(Rg:1V,10V,60V,600V)

Voltage accuracy:  <0.5%rg

Current range:  0~5Arms(clamp input)

Current accuracy:  <0.5%rg

Frequency range:  45~65Hz,Accuracy<0.01Hz

Phase accuracy:  0~360°,<0.5°

Harmonic: 2~20times,<0.5%rg

Transducer calibration

DC Current

Range:  DC:0~±mA,1~±20mA,Auto range

Max.input:  600mA

Input impedance:  15Ω

Accuracy:  <0.02% rg typ.<0.05% rg Guar.

DC Voltage

Range:  DC:0~±10V

Max.input:  ±11V

Input impedance:  1MΩ

Accuracy:  <0.02% rg typ,<0.05% rg Guar

Energy Meter Calibration

Sensor usage:  Mechanical meters/Electronic meters

Sensor output:  High level:≥4.5V,Low level:≤0.2V

Pulse input:  1 ports

Pulse range:  500KHz pulse input max.

Pulse output:  1 transistor outputs

Others, Size & Weight

Ethernet port:  2x10/100/1000M Base-Tx RJ45

USB:  2Xusb 2.0 A type female

Synchronizer port:  IRIG-B,GPS BNC Ant,IEEE1588

Others:  RS-232

Size:  358x149x297mm

Weight:  <19kg

Power supply & Environment

Nominal input voltage: 220Vac

Permissible input: 100~264Vac

Nominal frequency: 50/60Hz

Permissible frequency: 45~65Hz

Power Consumption: 2000VA max.

Temperature(operating): 0℃~55℃

Temperature(Storage): -20℃~70℃

Humidity: 5%-95% RH,non-condensing