Et system EAC-4Q-KS 15 Manual Download Page 40

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on the measurement panel, such as input current/voltage, output current/voltage/power, etc.

Figure 4-3 Measurements panel

KS series can also capture, display, and save the output voltage and current Waveforms and store
them inside the power supply for retrieval and analysis by users.

Figure 4-4 Waveform browsing panel

The KS series can edit up to the 40th harmonic and inter-harmonic, and users can capture
Waveforms through the oscilloscope.

Summary of Contents for EAC-4Q-KS 15

Page 1: ...EAC 4Q KS ET System electronic GmbH Telefon 06205 3948 0 Fax 06205 37560 Hauptstra e 119 121 info et system de 68804 Altlu heim www et system de...

Page 2: ...manufacturing Permanent manufacturing control through accredited laboratories and an ISO 9001 compliant quality management system guarantee a constant high level series production quality We offer rep...

Page 3: ...typographical or translation errors in this manual If any errors are found please report them to us in writing The pictures used in this manual do not represent the pictures of the products actually...

Page 4: ...low the warnings safety instructions and accident prevention measures in the manual Visual Inspection After unpacking please immediately check whether there is any defects or damage of the equipment d...

Page 5: ...result in product damage or loss of important data SHOCK HAZARD The risk of electrical hazards For example The maximum voltage of EAC 4Q KS series can reach 750VDC and above which may cause personal...

Page 6: ...l of control module 16 1 2 6 The component layer connection layer and other interface layers 18 1 3 Interface Description 19 1 3 1 LAN interface standard 19 1 3 2 RS485 interface standard 20 1 3 3 RS2...

Page 7: ...46 5 1 3 Input output controls 47 5 2 Communication Setting 48 5 3 Hardware Limits 50 5 4 CV CC Mode 51 5 5 Sequence 52 5 6 Analog Input 54 5 7 AC DC AC DC 55 5 7 1 AC DC 55 5 7 2 AC 56 5 7 3 DC 56 5...

Page 8: ...onment 79 7 1 2 Equipment maintenance 79 7 2 Equipment Repair 80 7 2 1 Equipment self test 80 7 2 2 Maintenance service 80 7 2 3 Equipment returns 80 Chapter 8 Programming 81 8 1 Command Format 82 8 1...

Page 9: ...tructure of Equipment 1 2 1 Appearance and outline 1 2 2 Front panel 1 2 3 Rear panel 1 2 4 Internal structure 1 2 5 Control module of front panel 1 2 6 Connection layer and other interface layers 1 3...

Page 10: ...ency stop button are also installed on the front panel Programming interfaces including LAN and RS485 interfaces are standard and optional RS232 analog control interfaces are available for automated t...

Page 11: ...tomized Output Voltage Load Regulation 0 2 FS Output Voltage Line Regulation 0 1 10 input line change AC output Voltage Range L N 0 300V Std voltage can be customized Voltage Resolution 0 1V Voltage A...

Page 12: ...acy 0 3 FS DC Current Measurement Accuracy 0 1 FS Frequency Measurement Accuracy 0 01 0 01Hz Others Operating Humidity 20 90 RH None Condensing Protection OVP OCP OTP Regulatory CE Conformity Cooling...

Page 13: ...or lifting operation and moving rollers at the bottom of the cabinet which for users to move flexibly There are TFT Touch panel displayer 12 inch status indicator power knob emergency stop button and...

Page 14: ...provides a GUI and has the functions of setting system parameters output parameters measurements capturing and saving Waveform and displaying failures Power Knob The User can use power knob to turn o...

Page 15: ...control LAN interface Standard configuration it is a communication interface and used for remote control TTL Standard configuration for users to observe the trigger signal after connecting with the o...

Page 16: ...f EAC 4Q KS series are control box layer module layer component layer wiring layer and other interface layers Figure 1 4 Internal structure 1 2 5 Front panel of control module The front panel of EAC 4...

Page 17: ...Number Notes LAN interface Standard for touch screen communication LAN interface Standard for debugging and firmware update Fan For control module heat dissipation Power switch For the power on off th...

Page 18: ...r of input side From left to right are PE N C B A Wiring copper bar of output side From left to right are N C B A Other terminals a b Control module 220V auxiliary power terminals No need to wire c d...

Page 19: ...on Figure 1 7 and hardware debugging Figure 1 7 Figure 1 7 front panel of the control module IMPORTANT INFORMATION The LAN interface Figure 1 7 is connected to the touch panel by default before shipme...

Page 20: ...gnals under long distance conditions and in environments with high electronic noise RS485 interface makes it possible to connect to local network and configure multi drop communication link 1 3 2 1 Lo...

Page 21: ...port setting information Port COM port on control PC Baud Rate 9600 Data Bits 8 Stop Bits 1 Parity None Flow control None 1 3 3 RS232 interface 232 option RS232 is one of the equipment communication i...

Page 22: ...e female can be used by directly plugging in the interconnect The meaning of the pins is as follows Baud rate is 9600 stop bit is 1 Figure 1 12 RS232 pin Table 1 5 Pin Definition Symbol Signal transmi...

Page 23: ...PC Baud Rate 9600 Data Bits 8 Stop Bits 1 Parity None Flow control None 1 3 4 TTL interface standard Connect the TTL interface to the oscilloscope When the voltage frequency changes the user can obser...

Page 24: ...f power supply can be controlled via control signals and by using the analog input ATI interface EAC 4Q KS uses BNC connector for this analog input Set points are adjusted as dc voltage 0 5 V on the a...

Page 25: ...power supply 1 3 5 2 Connection of ATI interface The ATI interface of the EAC 4Q KS series appears as BNC The connection between the equipment and the signal generator is shown in Figure 1 16 Figure 1...

Page 26: ...ress the emergency button on power supply To achieve protection action quickly only need to press this switch 1 3 6 1 Location of emergency stop interface The External emergency stop interface is loca...

Page 27: ...stallation 2 1 Check before Installation 2 1 1 check the packing 2 1 2 check the equipment 2 2 Equipment Installation 2 2 1 Selection of input output cables 2 2 2 Installation steps 2 2 3 Add single p...

Page 28: ...s and record the type of damage to return the power supply 2 1 2 Check the equipment Open the outer packing of the power supply and check with visual inspection or hand feeling when the power supply i...

Page 29: ...put side cable Figure 2 1 Cold pressed terminals WARNNING If the equipment is disassembled and installed at a low temperature water droplets may condense The cabinet must be dry completely before inst...

Page 30: ...level switch is off Do not live working IMPORTANT INFORMATION Taking EAC 4Q KS 45 300 50 as an example if the input output current is less than 100A and the terminal shown in the figure is used When t...

Page 31: ...e EAC 4Q KS series with the 1P option adds a single phase output function By changing the wiring method parallel three phase output terminals as shown in Figure 2 6 the output current can be increased...

Page 32: ...Chapter 3 Power on Operation 3 1 Power on Operation 3 2 GUI Software Operation Local Control 3 3 GUI Software Operation Remote Control 3 4 Power off Operation...

Page 33: ...result in personal injury or death When power is on do not touch exposed connectors or components Make sure that there is no overvoltage on the product such as overvoltage caused by lightning otherwis...

Page 34: ...re Operation Local Control EAC 4Q KS series provide GUI software it is installed in the touch panel which uses windows OS the software can also be installed on the control PC connected to the power su...

Page 35: ...ower output voltage output current duration switching time settings storage and re import of complex sequences editing of harmonics and inter harmonics on off phase angle Display measurements voltage...

Page 36: ...Operation Step 1 Close the GUI software on the TFT Touch panel displayer PC and shut down Step 2 Turn the power knob counterclockwise Figure 3 9 Figure 3 9 Front panel Step 3 Open the cabinet door and...

Page 37: ...Tthis step can be ignored when the power is off it will always remain closed when the power supply is turned on the step of closing the switch can be omitted which is convenient for users to operate...

Page 38: ...Chapter 4 Function and Feature Introduction 4 1 Grid Simulation Function 4 2 Constant Current Output Function 4 3 AC DC AC DC Output...

Page 39: ...he sequence mode the user can set the output phase voltage angle frequency on ff phase angle dwell time and switching time of the power supply according to the test requirements The output voltage cur...

Page 40: ...KS series can also capture display and save the output voltage and current Waveforms and store them inside the power supply for retrieval and analysis by users Figure 4 4 Waveform browsing panel The K...

Page 41: ...e through test KS series provide standard software for the low voltage ride through test of photovoltaic inverters which can be used to simulate grid voltage frequency changes drops and sags to meet t...

Page 42: ...he GUI software panel according to the standard to simulate various short circuit faults of the power grid for meeting the short circuit test requirements of the inverter 4 2 Constant Current Output F...

Page 43: ...DC AC DC Output The EAC 4Q KS series adopts Bi directional design and can be used as an AC DC power supply to test DUT Output modes include AC DC AC DC The details software setting will be introduced...

Page 44: ...4 CV CC Mode 5 5 Sequence Mode 5 6 Analog Input 5 7 AC DC AC DC 5 7 1 AC DC 5 7 2 AC 5 7 3 DC 5 8 Harmonic and inter harmonic simulation 5 8 1 Harmonic simulation 5 8 2 Inter harmonic simulation 5 9 M...

Page 45: ...normal the white light Figure 3 3 and the connected green light Figure 5 1 is always on All functions and parameters can be accessed through the TFT Touch panel or GUI software to set up and run Figur...

Page 46: ...s no output the light is dark green 5 1 2 Sequence mode On the right side of the sequence mode Panel the user can select the power supply operating mode parameter input mode and output mode according...

Page 47: ...e power supply is off Figure 5 3 Input output controls Table 4 3 Number Name Note Apply click Apply after the parameter setting is completed the parameter will take effect Power On It is used for the...

Page 48: ...shown in Figure 5 6 The IP address of the remote workstation PC should be the different from the IP address of the power supply If the remote workstation PC and power supply are in the LAN ensure the...

Page 49: ...7 or above 10 100 1000 Mbps network port adaptor Network Switch LAN users CAT 5 network cable Fgure 5 6 Default network address and port of power supply IMPORTANT INFORMATION The network cable used f...

Page 50: ...t 1P option the three phase parallel output is valid after checking OCP Max 120 Overcurrent protection value when the output current exceeds the value the power output will be off OVP Max 110 Overvolt...

Page 51: ...is voltage source and the user can set the voltage value and current limit The constant current mode is current source and the user can set the current value and voltage limit The EAC 4Q KS series pro...

Page 52: ...he top of the panel the storage and loading of complex sequences can also be realized Test steps Click Sequence to enter the panel Figure 5 9 Select the operating mode on the right side set the parame...

Page 53: ...ck box Parameter setting 2 The user can set the on off phase angle of a phase of each step The power system refers to the dwell time firstly by default and then refers to the on off phase angle Sequen...

Page 54: ...alue will be adjusted according to the AC DC voltage 0 5 V of the analog input Figure 5 11 Analog input Test steps Select the analog input operating mode ATI on the right side of the panel as shown in...

Page 55: ...to the test requirements and set the AC voltage current Figure 5 13 and DC offset voltage current Figure 5 13 After setting the parameters click Apply Power On Output On in turn and the power supply i...

Page 56: ...output after changing the corresponding wiring the maximum single phase AC current can be output 150A when related to wiring issues please combine 2 2 2 and 2 2 3 5 7 3 DC The KS series allows the ge...

Page 57: ...Figure 5 14 DC output mode...

Page 58: ...tion box Figure 5 15 click the A B C phase harmonic simulation button Figure 5 15 the harmonic setting panel of each order will automatically pop up then the user can set the harmonic After setting th...

Page 59: ...gle content and other parameters Figure 5 16 Harmonic Edit 1 5 8 2 Inter harmonic simulation KS series power supplies provide complete GUI software which can edit inter harmonic Test steps Click Seque...

Page 60: ...ter harmonic simulation click the inter harmonic setting button at the bottom of the page Figure 5 17 click Clear in the pop up panel to clear all parameters click Setting Apply in turn and finally ca...

Page 61: ...nt voltage power output current voltage power output frequency and other parameters on this panel Figure 5 19 Measurements panel Table 5 7 Number Name Note Input Parameters Real time display of the in...

Page 62: ...sing the user can individually or simultaneously select the data of output voltage or output current Figure 5 20 and browse the waveform In addition the user can also set the window display time of th...

Page 63: ...ts waveform Parameter Setting The window display time sampling time interval and other parameters of the waveform data points can be set Control button The user can zoom in horizontally vertically zoo...

Page 64: ...ure 5 22 4 click the overall zoom in out button and click the mouse the waveform will be overall zoomed in out Figure 5 22 4 5 22 5 and Figure 5 22 6 click the drag button to move the waveform freely...

Page 65: ...Figure 5 23 System status panel main system status Figure 5 24 System status panel software fault...

Page 66: ...set the internal parameters For avoiding accidental settings leading to equipment failure or loss of accuracy it is not recommended that the user perform this operation The default login account is a...

Page 67: ...Figure 5 27 If the customize curve file need to import by users check the Enable box and then click Import 3 Set parameters such as waveform scale waveform sampling time waveform start end time etc F...

Page 68: ...splay of output voltage and current value Power On Network side power on button Apply Click Replay then the parameter setting will be valid and the wavaform import will be valid Output On Output side...

Page 69: ...Voltage Accuracy Current Accuracy Power Accuracy Frequency Accuracy Output Characteristics Load Regulation Voltage THD Ripple Test Harmonic Test Inter harmonic Test Voltage drop Change Three phase Un...

Page 70: ...Performance Verification 6 1 1 Verity equipment and settings Figure 6 1 Three phase output test with resistive load Figure 6 2 Single phase output test with resistive load Figure 6 3 Load step change...

Page 71: ...w the recommendations The ambient temperature remains constant and is between 25 5 The relative humidity of the environment is below 90 Keep the cable length as short as possible and use twisted or sh...

Page 72: ...nect the input side of the AC DC source to the power grid so that the input voltage is within the operating voltage range of the power supply After setting the voltage value change the frequency setti...

Page 73: ...take the one with the largest error for calculation The frequency accuracy is obtained by the following formula And Power accuracy Frequency value measured via power analyzer Hz Frequency value displa...

Page 74: ...n there is no load and On load the load adjustment rate is obtained by the following formula And Voltage THD Connect the input side of the AC DC source to the power grid so that the input voltage is w...

Page 75: ...re resistive load Set the output voltage value to make the power supply work within the rated output voltage range and enable the inter harmonic editing function set the frequency and harmonic superim...

Page 76: ...the power analyzer and the power supply TTL Signal Trigger Connect the input side of the AC DC source to the power grid so that the input voltage is within the operating voltage range of the power su...

Page 77: ...red temperature is greater than 10 of the software setting temperature the power supply will immediately cut off the output and give an alarm Log Function The user can be view log record through setti...

Page 78: ...ent Maintenance and Repair 7 1 Equipment Maintenance 7 1 1 Equipment operating environment 7 1 2 Equipment maintenance 7 2 Equipment Repair 7 2 1 Equipment self test 7 2 2 Maintenance service 7 2 3 Eq...

Page 79: ...components the equipment should be isolated from harmful gases such as acids and alkalis which damages theinsulation For ventilation the equipment should be kept more than 600mm away from the wall or...

Page 80: ...em has no liability for equipment failure caused by self assembly 7 2 2 Maintenance service If the purchased equipment failure during the warranty period ET System will repair the equipment according...

Page 81: ...8 Programming 8 1 Command Format 8 1 1 Parameters data type 8 1 2 Command parameters Return value units 8 1 3 Command format 8 2 Command Sets 8 2 1 Common commands 8 2 2 SCPI and panel comparison 8 3...

Page 82: ...eters boolean 1 or 0 NRf1 n Floating Point 0 positive negative floating points NRf Floating Point 0 positive negative floating points string Character strings 8 1 2 Command parameters Return valve uni...

Page 83: ...FF None Turn ON OFF the switch of grid side OUTPUT ON OFF None Enable Disable the output of power supply POWER STAT POWER STAT 1 0 Return status of switch of grid side 1 ON 0 OFF OUTPUT STAT OUTPUT ST...

Page 84: ...the AC or DC mode of output AC or DC MODEA MODEA 1 0 Return the AC or DC mode of output 1 DC 0 AC SET PHASEA NRf None Set the value of phase of A SET AMPA NRf None Set the value of amplitude of A SET...

Page 85: ...ters for one time Frequency phase of A amplitude of A phase of B amplitude of B phase of C amplitude of C SET APPLY None Validate the parameters that have been set OFFSET A NRf None Set the dc offset...

Page 86: ...the power of output B POW C POW C NRf Measure the power of output C POW POW NRf1 NRf2 NRf 3 Measure the power of output A C VOLTDC A VOLTDC A NRf Measure the dc voltage of output A VOLTDC B VOLTDC B...

Page 87: ...FCODE FCODE NRf1 NRf2 NR f3 NRf4 NRf5 NRf6 Inquire fault code if happened Unit of voltage V Unit of voltage A Unit of power kW Unit of time mS 8 2 2 SCPI and panel comparison 1 Hardware limits Figure...

Page 88: ...LIMIT CUR NRf Inquire the value of limitation for current CF 1 414 2 Sequence Figure 8 2 Commands Return Value Description POWER ON OFF None Turn ON OFF the switch of grid side OUTPUT ON OFF None Enab...

Page 89: ...None Set the phase of output C in activated step in sequence mode SEQ AMPC NRf None Set the amplitude of output C in activated step in sequence mode SEQ SWT NRf None Set switch time SEQ DUT NRf None S...

Page 90: ...put B have been set inactivated step in sequence mode SEQ AMPB SEQ AMPB NRf Inquire the amplitude of output B in activated step in sequence mode SEQ PHASEC SEQ PHASEC NRf Inquire the phase of output C...

Page 91: ...6 NRf7 NRf8 NRf9 NR f10 NRf11 NONE A B C ON OFF Inquire all the parameters in Sequence one time In turn the following is first LAB duration switch time output frequency the phase of output A the ampli...

Page 92: ...ne Set second harmonic parameters Harmonic order phase of a ratio of a phase of b ratio of b phase of c ratio of c HARM HARM NRf1 NRf2 NRf3 NRf4 NRf5 NRf6 NRf7 HARM NRf1 NRf2 NRf3 NRf4 NRf5 NRf6 NRf7...

Page 93: ...f3 NRf4 NRf5 NRf6 NRf7 NRf8 None Set inter harmonic parameters of Channel Channel Frequency phase of a ratio of a phase of b ratio of b phase of c ratio of c IHARM IHARM NRf1 NRf2 NRf3 NRf4 NRf5 NRf6...

Page 94: ...Clearing inter harmonic parameter setting 8 3 Example 1 Query information IDN EAC 4Q KS AC Firmware Versioin 1 0 Remote 1 2 Set the protection value OVP 300 OVP OVP300 00 OCP 225 OCP OCP225 00 3 Set...

Page 95: ...0 SET PHASEB 120 SET AMPB 220 SET PHASEC 240 SET AMPC 220 SET SET50 00 0 00 220 00 120 00 220 00 240 220 SET APPLY POWER ON POWER STAT POWER STAT1 OUTPUT ON OUTPUT STAT OUTPUT STAT1 VOLT A VOLT A 220...

Page 96: ...00 1 0 0 SEQ INC SEQ LAB SEQ LAB2 SEQ FREQ 50 SEQ PHASEA 0 SEQ AMPA100 SEQ PHASEB 120 SEQ AMPB 100 SEQ PHASEC 240 SEQ AMPC 100 SEQ SWT 100 SEQ DUT 100 SEQ CONDSEL NONE SEQ CONDVAL 0 SEQ OUTPUT ON SEQ...

Page 97: ...CUR POW POW...

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