Condition:New
Type:Logic ICs
contact form:Conversion type
Three phase phase shift trigger for solid state relayLSJK-TSR
This is a suitable driver for the three wayRandom type solid state relay to formThree-phaseAC phase shiftThree phase trigger of voltage circuit.Three phase voltage synchronous zero crossing detection, phase shift circuit, input Control circuit and three drive trigger circuit are integrated in the trigger,Unique fully COMpatible input Control mode, 0-5Vdc,0-10Vdc,4-20mA,1-5Vdc,0-10mAAnd other automatic methods are able to adapt, do not need special custom, can also be used to manually Control the potentiometer. In the input Control,Three way change the conduction angle pulse signal to Control the three mono acCOMpanying type solid state relay can realize three-phase load voltage from0VTo the full voltage of the power grid can be adjusted Continuously. The input adjustment range is wide, the output regulation accuracy is high, the three phase symmetry is good, the anti-interference ability is strong. The trigger has no need of external synchronous transformer, and no external DC power supply,UseSMTPatch technology,Small size, less external wiring, easy to use. Trigger useThe single pulse width strong trigger mode, adapt or resistive load inductive load.Shape orYForm connection method (no needNLine) all can.
One type:LSJK-TSR, can trigger three random single-phase solid state relay for three-phase load voltage regulation.
Two Outline dimension
Three Multiple input modes:The following Control methods are available, according to the actual needs of the wiring can be.
0-10VdcAuto-Control4-20mA(1-5VdcAutomatic Controlsystem 0-10mAAuto-Control
Potentiometer manual Control 0-5Vdc automaticControl
Four High voltage wiring diagram
triggerTSRCan be driven from dozens to hundreds of security of the full range of specifications of the random type solid state relay, a simple economic three-phase voltage regulation system, this program is generally used for large power voltage regulation system. about150AIn the following situations, the three-phase integrated voltage regulator module can be used.
Five Instructions
1The whole circuit can be used in380VAC,50HzOn the power grid(wrong380VACPower grid can be customized), the main circuit of the three-phase into the line(R,S,T)The phase, but the three-phase line, three pass zero detection end and three solid state relay shall correspond to the drive end.
2,Unique fully COMpatible input control mode, 0-5Vdc,0-10Vdc,4-20mA,1-5Vdc,0-10mAAnd other automatic methods are able to adapt, do not need special custom, can also be used to manually control the potentiometer.The input adjustment range is wide, the output regulation accuracy is high, the three phase symmetry is good, the anti-interference ability is strong.
Manual control of the potentiometer: according to the icon, the middle end of the potentiometer is connected to the modulecontThe two ends of the potentiometer are respectively connected with the module.COMEnd and+5VEnd. When the control sidecontfrom0-5VdcChanging the voltage on the AC load from0V to the maximum linear adjustable,contThe higher the terminal voltage, the greater the output of the module.+5VVoltage by the module itself, without the need for external supply, with only hand control potentiometer with and without it, the selected resistance value of the potentiometer in2-10KInter.
2,0-5VdcControl mode: according to the icon, can accept the MCU and so on.0-5VdcAnalog signal, input control positivecontNegative electrodeCOMInternal modulecontEnd relativeCOMThe input impedance is greater than30KOmega. When this way is used4-20mA'and' the end '0-10Vdc'end and+5VEnd hanging.
3,0-10VdcControl mode: according to the icon, can be acceptedPLCEtc.0-10VdcAnalog signal, internal module0-10VdcEnd relativecomThe input impedance is greater than15KOmega. When this way is used4-20mA'end and+5VEnd andcontEnd hanging.
4,4-20mAControl mode: according to the diagram, can accept the temperature control table4-20mAAnalog signal, internal module4-20mAEnd relativecomThe input impedance of the250Omega. When this way is used0-10Vdc'end and+5VEnd andcontEnd hanging.
5,0-10mAControl mode: according to the graphic, this method should be used in the modulecontWith the end ofcomEnd to end500Omega,1/2WResistance, when input0mATime correspondencecontintention0VdcWhen input10mATime correspondencecontintention5Vdc.
2Function end relativecomEnd must be positive,comThe end of the negative electrode, such as the polarity of the module is connected to the main circuit output terminal may be out of control.
3The end of the function and control characteristics are characteristic, namely the higher the voltage control module, power main circuit output voltage higher.
4At any moment, it is better to use an input method, if two or more ways to use the same time, it is generally a higher input voltage of a major role. To use both manual and automatic, such as automatic4-20mAHand in hand0-5VFunction switch can be performed by a double throw switch.
5Three-phase load can beDeltaShape connection method orYShape connection methodYForm connection method,YDo not have to connect the center pointNLine.
6Flip flopLEDPower indication and output regulation indication.
7Trigger power supply andR,S,TThere is no phase relationship between the main circuit,"L"The end can be connected to any road line,"N"End must be connected to three-phase zero line.
8The trigger is not required to be connected with the external synchronous transformer, and the external DC power supply is not required.
9When the trigger works, the heat is small and does not need to be installed on the radiator.
10And the input control end and between the input power and between the terminals of the main circuit of high voltage synchronous sampling and full isolation design, insulation dielectric withstand voltage greater than2000 Vac
11And when the load circuit malfunction, resulting in damage to the random type solid state relay, as long as the replacement of that one can, so smaller loss of fault. This is the biggest advantage of this kind of application.
Six Typical application examples:
Four triggercomThe inside of the module is connected to the direct current, which can be connected with the DC "ground" which is controlled by the external circuit in the automatic control mode. Control negative pole of three random solid state relay and triggercomConnection, also can be connected together, and then connected to75One end of the normally closed type temperature control switch, the other end of the temperature control switch and any of the trigger.comWhen the heat sink temperature is too high, the output of the three random type solid state relay can be stopped, and the super temperature protection can be achieved.
