JDZ3-3,6,10(Q)type single-phasedouble coil voltage transformer of epoxy casting insulationfor indoor device use,is used formeasurement of voltage and electric energy,relay protection in the AC circuit of rated frequency 50Hz as wellas other controldevicepower.(refer to figure 1 wiring diagram)
JDZ0)-3,6,10(Q)type single-phase double coil voltage transformer of epoxy casting insulation for indoor device use is used formeasurement of voltage and electric energy,relay protection in neutral non-direct earthing system of rated frequency 50Hz aswell asfor other control device power(refer to figure2 wiringdiagram)
Standard.IEC61869-3
GW5 outdoor MV isolating switch isused for three-phase AC 50Hz outdoor high voltage electrical equipment,used for the line toswitching under voltagepressed no load condition,and electrical isolation the maintenanced high voltage bus,circuit breakersand other electrical equipment and chargedhigh voltage line,canalso be used for the opening and dosing small capacitanceorinductance current.When the knife in the normal break position,can provide a insulation distance consistent with safetyrequirements.Widely used in 35~110kV substation
GW4 outdoor MV isolation switch is used for three-phase AC 50Hz outdoor high-voltage electrical equipment,switching of linesunder high-voltage no-load conditions,and electrically isolating electrical equipment such as high-voltage busbars,circuitbreakers,and live high-voltage equipment for maintenance voltage lines,can also be used to switchsmall capacitor or inductorcurrent.Whenthe knifeis in the normal open circuit position,it can provide insulation distancethat meets safety requirements Widely used in 35-110kV substations
Operating conditions
1.The altitude does not exceed1000m;
2.Ambientair temperature:-10℃~+40℃;
3.Relative humidity:dailyaverage value is not greater than 95%,monthlyaveragevalue is not greater than 90%;
4.Contamination grades:no serious dust,corrosiveand explosive material place;
5.Earthquake intensity:do notexceed 8 degree;No regularviolent vibration place.
Rating:Rated voltage 3~12KV,rated current reach to 630A for load break switch and 125A for combined switchgear.
Application:
mainly applicable in urban power grid features and renovation project,industrial and mining enterprises.high-rise buildings andcommunal facilities .For power distribution,controlling and protection on electric equipment as the loop power supply unitorterminal equipment.It alsocan be installed in pre-loaded substation
KYN28A-24 Metaldad AC Endosed Switchgear,Withdrawable Type (hereinafterreferred to as switchgear),suitable for indoor three-phase 50/60Hz,rated voltage 24kV power system,mainly usedin power plants,substations,industial and mining enterprises and high-rise buildings It is used to receive and distribute electric energy and to control,protect and monitor circuits.
Standard:IEC62271-200
Rating:Ratedvoltage400V,690V,rated current reach to 4000A.
Application
mainly applicable in place with high automation and need to communicate with computer,like largepower station andpetrochemistry system,as the low voltage distribution device of the distribution and motor controlling,and reactive powercompensation in power system.
Protection degree:IP30,IP40
Standard:IEC60439-1
YRM6 fully insulated fully enclosed compact switchgear,which can realize functions of control,protection,measurement.monitoring,communication,etc.is especially suitable for places with small distribution faility site and high reliabilityrequirements,and places with a relatively harsh natural environment and conditions.such as underground,highland and coastalareas.
This current transformer isof a whole sealing casting insulation pllar type,usedfor measurement of current and electricenergy aswell as relay protection in theAC circuit of rated frequency 50Hzand rated voltage 10kV.
Standard:IEC 61869-2