Et system ZGX Series Manual

Regenerative ac/dc source and load

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Offizieller Partner von BriPower: Service und Vertrieb direkt durch ET System electronic GmbH.

Official partner of BriPower: Service and sales directly through ET System electronic GmbH.

ET System electronic GmbH

www.et-system.de

Manual ZGX Series

Hauptstraße 119 – 121

D – 68804 Altlußheim

ZGX Series Regenerative AC/DC

Source and Load

Vertrieb Kontakt: Tel.: +49 (0)6205 / 394 80

ales contact:

info@et-system.de

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Summary of Contents for Et system ZGX Series

Page 1 Vertrieb Kontakt: Tel.: +49 (0)6205 / 394 80 www.et-system.de D – 68804 Altlußheim ales contact: info@et-system.de © ET System electronic GmbH, Änderungen ohne Vorankündigung, Irrtümer und Änderungen vorbehalten © ET System electronic GmbH, Subject to modiﬁcation without notice, errors and omissions exepted...
Page 2 Bridge Technology. Software Statement ZGX series provides GUI software, which is installed on the TFT-Touch panel which using the Linux system. Unless interoperability is required by law, it is prohibited to reverse program, disassemble, or decompile the software.
Page 3 Safety Requirements Please read the manual thoroughly before putting the equipment into operation. Pay regard to the following safety instructions and keep the manual nearby for future purpose to avoid any damage to the equipment. To prevent potential hazards, please follow the instructions in the manual to safely use the instrument. Bridge Technology have no liability for failures caused by violate protective measures or other safety regulations.
Page 4 Safety Notices and Symbols Safety Symbols SHOCK HAZARD WARNING PROTECTIVE EARTH TERMAINAL Other Symbols IMPORTANT INFORMATION Safety Information WARNING If improperly operated, it may cause injury or danger immediately. WARNING Potentially dangerous situation or practice. If not avoided, it will result in serious injury or death. CAUTIOUS Potentially dangerous situation or practice.
Page 5 Content Safety Requirements ..........................3 Safety Notices and Symbols ........................4 Chapter 1 Equipment Introduction ......................8 System Overview ..........................8 1.1.1 Overview of ZGX series ......................8 1.1.2 Model Description ........................8 1.1.3 Features and configuration ......................8 1.1.4 Specification ..........................9 Appearance and structure of Equipment ..................
Page 6 Operation Modes ----- Bi-Directional AC/DC Source................ 25 Operation Modes ----- AC/DC Load ....................25 Operation Modes ----- Bi-Polar (-BP option) ..................26 Operation Modes ----- RLC Load ...................... 26 Operation Modes ----- RCD Load ..................... 26 Application ----- Avionics Power Line Simulation ................27 Arbitrary Waveform Generation Function..................
Page 7 Wave ..............................56 State ..............................56 Arbitrary Waveform Generation Function..................57 Chapter 6 Equipment Maintenance and Repair ..................62 Equipment Maintenance ......................... 62 6.1.1 Equipment Operating Environment ..................62 6.1.2 Equipment maintenance ......................62 Equipment Repair ..........................62 6.2.1 Equipment Self-Test ......................... 62 6.2.2 Maintenance Service .......................
Page 8 1.1.1 Overview of ZGX series The ZGX series is a compact modular design power supply with SiC PWM technology, providing full functions of grid simulator, battery simulator, PV simulator, regenerative AC/DC load, bipolar DC source, and RLC/RCD load. The 15KVA bidirectional power supply is designed in a 4U chassis and can be upgraded to 960KVA system by master/slave paralleling.
Page 9 1.1.4 Specification Table 1-1 Model No. ZGX 15 AC Input Provide pre-charge circuit. Effectively restrain the impulse current when power on 3P+PE, 380VLL±10%/3P+PE, 400VLL±10% Voltage 1P+N+PE, 220VLN±10% Frequency 47-63Hz Efficiency ≥85% Power Factor @ Rated Power >0.99 THDi <1% Output Output Modes AC, DC, or AC+DC Power Level...
Page 10 Current Resolution 0.01A Frequency Resolution 0.01Hz (~100Hz), 0.05Hz (>100Hz) Phase Angle Resolution <0.1° DC Output Voltage Range 0-636V Current Range 30A/ch (3-channel) or 90A (single channel) Voltage Accuracy 0.1%FS Voltage Resolution 0.1V Current Accuracy 0.1%FS Current Resolution 0.01A Voltage Ripple 0.1%FS AC+DC Mode Max Power, Voltage and Current are the same as DC Mode...
Page 11 1.2.1 Appearance and Outline The appearance of the ZGX 15 is shown in Figure 1-2-1, 2, 3. The ZGX series is a compact modular design power supply with a depth of only 670mm. There are Power On button/Indicator 1, Indicator 2, Main circuit breaker and Touch panel displayer (7 inch) on the front panel.
Page 12 Figure 1-2-4 Front Panel Table 1-2 Description Note Function 1: Indicator 1. Power On Button/ Indicator 1 Function 2: Same function as the "Power On/Off" button on the software panel Indicator 2 Indicator 2. Main Circuit Breaker Used to power on/off. Turn clockwise/counterclockwise to Power On/Off. Touch Panel 7-inch touch screen, providing a GUI software interface IMPORTANT INFORMATION...
Page 13 Table 1-3 Description Note Input Terminals AC input terminals: U/V/W/PE Output Terminals AC/DC Output terminals: A/N/B/N/C/N LAN Interface Used for remote control. (for users) Used for debugging and firmware update (for factory use before Debug Interface shipment, please don’t use without permission) TTL Interface Triger out interface, TTL signal output for voltage/frequency change Remote Sense Interface...
Page 14 1.3.2 LAN Interface The LAN interface (Figure 1-3-2) on rear panel is used for remote control. Please refer to Chapter 8 for remote control setting details. Figure 1-3-2 IMPORTANT INFORMATION The network wire used for LAN connection is Straight-Through Wired Cable. 1.3.3 Debug Interface The Debug interface (Figure 1-3-3) on rear panel is used for debugging and firmware update (for factory use before shipment, please don’t use without permission).
Page 15 Figure 1-3-4 1.3.5 Remote Sense Interface Figure 1-3-5 The Remote Sense Interface is on the rear panel (Figure 1-3-6). ZGX will adjust its output to compensate for the voltage drop, so that the voltage across the DUT is equal to the set voltage, so as to achieve the accuracy of the test. IMPORTANT INFORMATION The remote sense interface is connected to the output by default before leaving the factory.
Page 16 Figure 1-3-7 IMPORTANT INFORMATION After completing the corresponding wiring, please check the function on the software panel "Configuration" - "System", then the function will take effect. 1.3.5 Remote Sense Interface—— "Configuration" - "System" – “Remote Sense”  1.3.6 External Emergency Stop Interface The External Emergency Stop Interface is on the rear panel (Figure 1-3-8), which can be connected to the user's external emergency stop switch.
Page 17 IMPORTANT INFORMATION After completing the corresponding wiring, please check the function on the software panel "Configuration" - "System", then the function will take effect. 1.3.6 External Emergency Stop Interface—— "Configuration" - " System" – “External E-Stop”  1.3.7 Master-Slave Interface ZGX supports parallel connection of the same unit.
Page 18 Step 2: Clockwise the switches on the front panels of the two units. Figure 1-3-12 Step 3: Click “Configuration” – “System” to enter the setting panel. Set the first unit as “Parallel Master” and the second unit as “Parallel Slave”, the click “Set” to save the settings. Figure 1-3-13 Step 4: After completing the above steps, users can directly set the total parameters required for testing in the software.
Page 19 IMPORTANT INFORMATION When two ZGX 15 are connected in parallel, the total output measurements are displayed on the Measurements panel of the master unit, and the output measurements of the slave unit will be displayed on the Measurements panel of the slave unit.
Page 20 2.1 Check before Installation 2.1.1 Check the Packing When receiving the ZGX series device, if the packing is damaged, do not dispose of the damaged packing or cushioning materials before checking the integrity of the device and electrical/mechanical testing. The shipper/carrier should be responsible for product damage caused by the shipment.
Page 21 2.2.2 Installation Steps 2.2.2.1 When Input is: 3P+PE/380V L-L or 400V L-L Step 1：Connect the input cables (U/V/W/PE) with the input terminals. Step 2：Connect the output cables (A/N/B/N/C/N) with the output terminals. Step 3：Connect the input cables to the user's circuit breaker, then connect the output cables to the DUT. Figure 2-2-1 Connection method of Three-phase Output ZGX 15 also has a single-phase output function.
Page 22 (3) Click “Settings” - “Load Settings” - “SEQ-CC”. Set the Ampl.A as 60A. Then click “Power On” and “Output On”. Then the ZGX will start running. → (4) Click “Output Off” and “Power Off”. Then the two units will stop running. SHOCK HAZARD All three N cables at the output must be connected.
Page 23 Figure 2-2-4 Connection method of Single-phase Output SHOCK HAZARD All three N cables at the output must be connected. To avoid electrical hazards, connect the ground terminal to the protective ground terminal before connecting any input or output terminals. 3. Before connecting the cable, make sure that the upper-level switch is off. Do not live working. 2.3 Parallel Installation ZGX supports parallel connection of the same unit.
Page 24 To prevent any damage to the equipment, make sure to confirm the correct wiring sequence. SHOCK HAZARD The voltage generated by ZGX series equipment may cause personal injury or death. When the power is on, do not touch the exposed connectors and parts.
Page 25 Voltage drop simulation (LVRT test) ZGX series provides firmware and software support for low/zero voltage ride through tests. ZGX series has also DC output mode and works as regenerative DC source for battery testing, battery simulation etc. 4.2 Operation Modes ----- AC/DC Load In the regenerative AC load mode, CR mode, Rectifier mode, and CC/CP phase lead/lag mode are available.
Page 26 4.3 Operation Modes ----- Bi-Polar (-BP option) The ZGX series also provides bipolar DC output, and in this mode, phase A is used as POS+ output, phase B is used and NEG- output, the Neutral terminals of phase A and B are shorted and used as PE.
Page 27 4.6 Application ----- Avionics Power Line Simulation The ZGX series has an output frequency range of DC~1KHz, which meets the requirements of avionics bus simulation, including conditions of normal working, power interruption (conversion), abnormal power supply, emergency power supply, startup, power failure, etc.
Page 28 Chapter 5 GUI Software Introduction 5.1 Software Overview ZGX series provides GUI software, which is installed on the front touch screen. (The software can also be installed on the control PC connected to the power supply).  When Indicator 1 is flashing and Indicator 2 is off —— indicates that the device is in standby mode;...
Page 29 The overview of the functions as follows:  HOME (please refer to 5.2 for details): Mode selection: including Operating Mode, Output Mode, Control Mode, and Load mode; Control Button: user can open different main panels by clicking on different control buttons, including Measurements, Settings, Harmonic Analysis, Display Waveform, System ...
Page 30 5.2 HOME Click "HOME" to enter the main panel (Figure 5-2-1). Figure 5-2-1 Table 5-1 Description Note Operation Mode Including: CV (constant voltage), CC (constant current), E-LOAD Output Mode Including: AC, AC+DC (add DC offset components on AC output), DC Including: STD (Standard Mode), SEQ (Sequence Mode), ATI (Analog input signal Control Mode control output mode)
Page 31 5.3 Configuration " Configuration " including: Communication, System, Display. (Figure 5-3-1). Figure 5-3-1 5.3.1 Communication Users can select Local/Remote control methods, remote control communication settings on "Communication" panel. Table 5-2 Description Note Remote/Local Local control or Remote control Remote Control Remote PC IP: XXX.XXX.X.XX.
Page 32 5.3.2 System Users can select different functions and set protection parameters on the "System-SYS Mode" and “System-AUX Mode” panel. Table 5-3 SYS MODE Description Note Operation Mode Independently/Parallel Master/Parallel Slave Without N: when ZGX is used as a load and there is no N-line connected between the DUT and ZGX, please check this option.
Page 33 Settings output will be cut off. OVP (Peak): Overvoltage protection value (peak), when the instantaneous output voltage exceeds this value, the output will be cut off OPP: Overpower protection value (rms), when the output power exceeds this value, the output will be cut off UVP: Undervoltage protection value (rms), when the input voltage is lower than this value, the output will be cut off...
Page 34 IMPORTANT INFORMATION Before checking "External E-Stop"/"Remote Sense"/"AC220 Input"/"Three Phase Parallel", please ensure that the connection of cables is completed. AUX Mode Table 5-4 Description Note When the customer only uses phase A and does not use phases B and C, please check Enable A (the box is checked by default).
Page 35 5.3.3 Display Users can set the display ratio of the waveforms in “Display” panel. Table 5-5 Description Note UA/UB/UC: the Display Ratio for the output voltage waveforms of phase A/B/C Display Ratio IA/IB/IC: the Display Ratio for the output current waveforms of phase A/B/C Udc: the Display Ratio for the voltage waveform of DC-BUS User can enter the Debug display panel when check this option.
Page 36 5.4 Measurements "Measurements" including Standard Measurements and Harmonic Analysis (Figure 5-4-1). Figure 5-4-1 5.4.1 Standard Measurements Users can check the input/output measurements and temperature measurements on the " Standard Measurements " panel. Figure 5-4-2 Table 5-6 Description Note Including: output voltage of phase A/B/C (UA/UB/UC), output current phase A/B/C (IA/IB/ Output IC), output power of phase A/B/C (PA/PB/PC), output frequency of phase A/B/C Measurement...
Page 37 5.4.2 Harmonic Analysis Users can measure the output voltage/current harmonics on the "Harmonic Analysis" panel (Figure 5-4-3). Figure 5-4-3 Harmonic Measurements Table 5-7 Description Note Display harmonic order, Vol(%)-output voltage harmonic content, Cur(%)-output Data Dispaly current harmonic content, Ref(%)-reference harmonic content, Phase_Vol-voltage harmonic phase, Phase_Cur-current harmonic phase, Phase-Ref(%)-reference phase Vol/Cur THD: 0.00% Display the output voltage or current THD measurement value...
Page 38 5.5 Settings "Settings" including AC Settings, DC Settings, LOAD Settings, List Mode (Figure 5-5-1); Each panel includes multiple modes. Figure 5-5-1 Figure 5-5-2 The functions of the 5 buttons on the right side of the panel are shown in Table 5-7: Table 5-8 Description Note...
Page 39 Figure 5-5-1-1 AC Settings ------ Standard 5.5.1.2 Sequence Users can set complex combinations of multiple work steps. Select the output mode as AC or AC+DC and control mode as SEQ on HOME panel. Click "Settings" → "AC Settings" → "Sequence". (Figure 5-5-1-2). Table 5-10 Note Ampl.A/Ampl.B/Ampl.C: output voltage of phase A/B/C...
Page 40 Figure 5-5-1-2 AC Settings ------ Sequence 5.5.1.3 Harmonic ZGX has harmonic simulation function. Up to 100th harmonics waveform generation. Click "Settings" → "AC Settings" → "Harmonic" to enter the harmonic editing panel. Table 5-11 Note set parameters including harmonic order, harmonic content, and harmonic phase angle. SET: Click the "SET"...
Page 41 Figure 5-5-1-3 AC Settings ------ Harmonic Figure 5-5-1-4 Built-in harmonic waveform files...
Page 42 5.5.1.4 Inter-harmonic ZGX has inter harmonic simulation function. Click "Settings" → "AC Settings" → "Inter-harmonic" to enter the inter-harmonic editing panel. Set parameters including inter-harmonic frequency, content, and phase angle. Click the "SET" button to apply the set parameters. Figure 5-5-1-5 AC Settings ------ Inter-harmonic...
Page 43 5.5.2 DC Settings "DC Settings" including Standard and Sequence modes. 5.5.2.1 Standard Users can set a single work step. Select the output mode as DC and control mode as STD on HOME panel. Click "Settings" → "DC Settings" → "Standard". (Figure 5-5-2-1). Figure 5-5-2-1 DC Settings ------ Standard Table 5-12 Note...
Page 44 5.5.2.2 Sequence Users can set complex combinations of multiple work steps. Select the output mode as DC and control mode as SEQ on HOME panel. Click "Settings" → "DC Settings" → "Sequence". (Figure 5-5-2-2). Figure 5-5-2-2 DC Settings ------ Sequence Table 5-13 Note CV.A(V) / CV.B(V) / CV.C(V): output voltage...
Page 45 5.5.3 Load Settings The "Load Settings" including SEQ-CC, SEQ-CP, SEQ-CR, E-LOAD and CF rectifier modes. 5.5.3.1 SEQ-CC SEQ-CC mode is used to simulate sinusoidal current, Constant current CC is available to adjust load current, phase angle can be set from 90°to -90° to simulate the voltage and current conditions under inductive and capacitive loads. Users can set complex combinations of multiple work steps.
Page 46 “SEQ-CC” can also be used in conjunction with “CF” to simulate non-linear loads. Select the Load mode as CC and check the “CF Enable” on the HOME panel. Set the basic operating parameters in SEQ-CC mode, and then overlay the CF value in CF mode (setting range: 1.414~3). 5.5.3.2 SEQ-CP SEQ-CP mode is used to simulate sinusoidal power, Constant power CP is available to adjust load power, phase angle can be set from 90°to -90°...
Page 47 SAVE: Click the "SAVE" button to save the set test parameter file (.txt format) IMPORT: Click the "IMPORT" button to import the saved test parameter file (.txt format) “SEQ-CP” can also be used in conjunction with “CF” to simulate non-linear loads. Select the Load mode as CP and check the “CF Enable”...
Page 48 When select CR mode, the Ampl.A represents the output resistor of phase A. 5.5.3.4 E-LOAD The ZGX series provides RLC load simulation function and RCD non-linear load simulation function. Select the operation mode as E-LOAD and Load mode as RLC on HOME panel. Click "Settings" → "Load Settings" → "E-LOAD".
Page 49 Table 5-17 Note Circuit topologies: including 12 RLC load simulation topologies and 4 RCD load simulation topologies Parameter settings: R, L, C, R2, R3 of phase A/B/C can be set separately SET: Click the "SET" button to apply the set parameters. Example: when user wants to use one ZGX unit to simulate Resistors and each phase is 170ohm.
Page 50 5.5.4 List Mode Click "Settings" → "List Mode", user can manually set more complex combinations of testing commands. In addition, users can also use the SCPI instructions provided in Chapter 7. After importing the test commands file into the software, click "SET" → "POWER ON" → "OUTPUT ON", and the ZGX will start running according to the imported test instructions.
Page 51 Figure 5-5-4-2 List Mode ------ AC Settings Figure 5-5-4-3 Table 5-19 Note Ampl.A/Ampl.B/Ampl.C: output voltage of phase A/B/C Phase A/Phase B/Phase C: output phase angle of phase A/B/C Freq (Hz): output frequency Parameters can be set for each command Ramp (ms): The ramp time to switch from the last step to the current step Duration (ms): The total time the current work step will run Offset A/Offset B/Offset C: DC component superimposed on AC output The ON/PFF phase angle of a phase A/B/C phase.
Page 52 Indicates that the current instruction is only run once LOOPBegin: Indicates starting the loop from the current command. The number below represents the total number of cycles. LOOPEnd: Indicates the current command is the end of the loop. The number below represents the total number of cycles.
Page 53 Duration (ms): The total time the current work step will run Phase A/B/C: harmonic phase angle of phase A/B/C Ampl(%) A/B/C: harmonic amplitude of phase A/B/C Unselect: Indicates that the current instruction is only run once LOOPBegin: Indicates starting the loop from the current command. The number below Loop represents the total number of cycles.
Page 54 Freq (Hz): inter-harmonic frequency Ramp (ms): The ramp time to switch from the last step to the current step Parameters can be set Duration (ms): The total time the current work step will run for each command Phase A/B/C: inter-harmonic phase angle of phase A/B/C Ampl(%) A/B/C: inter-harmonic amplitude of phase A/B/C Supports 8 different inter harmonic settings, and users can choose different CH1/2/3/4/5/6/7/8...
Page 55 Table 5-22 Note CV.A/CV.B/CV.C(V): output voltage of channel A/B/C CC+(A): output current upper limit value CC-(A): output current lower limit value CP+(kW): output power upper limit value Parameters can be set for each command CP-(kW): output power lower limit value CR: Internal resistance value Ramp (ms): The ramp time to switch from the last step to the current step Duration (ms): The total time the current work step will run...
Page 56 5.6 Wave Click the "WAVE" to enter the Display waveform panel (real-time waveform browsing panel, Figure 5-6-1). The GUI software can monitor the real-time output three-phase voltage/current waveform and DC bus voltage waveform. Users can individually or simultaneously select the waveforms. ...
Page 57 Figure 5-7-2 5.8 Arbitrary Waveform Generation Function The ZGX 15 has an arbitrary waveform generation function, the user can customize the waveform and distortion programming through the software, the device is able to generate, including: clipped-sine wave, rectifier wave, square wave, sawtooth wave and other complex signals, and support the saving/importing of the customized waveforms.
Page 58 Situation 1: When users select to output clipped-sine wave or rectifier wave. Step 1: Click “Settings” → “AC Settings” → “Waveform” to enter the waveform select panel. → Figure 5-8-2 Step 2: In this interface, you can independently select the output waveforms of the phase A/B/C, including: Sine Wave, Clipped-Sine Wave and Rectifier Wave.
Page 59 Situation 2: When users want to use other customized waveforms. Step 1: Click “Settings” → “User Defined Wave” to enter the waveform editing interface. Figure 5-8-6 Step 2: In this panel, user can select the Define Waveform, Custom THD Waveform or Custom Vector Waveform: ...
Page 60 Step 3: After the setup is completed, the user has two options: (1) directly click “SET” to simulate the setting waveform directly; (2) click “SAVE” to save the data, and when they need to use the same parameters, the data can be imported: (1) directly click “SET”...
Page 61 Figure 5-8-13...
Page 62 Chapter 6 Equipment Maintenance and Repair 6.1 Equipment Maintenance Please note the maintenance environment of equipment. Bridge Technology has no liability for failures caused by breaking equipment rules. 6.1.1 Equipment Operating Environment  The equipment is used indoors, and the operating temperature is not higher than 40 ° C and not lower than 0 ° C. ...
Page 63 6.2.2 Maintenance Service If the purchased equipment failure during the warranty period, Bridge Technology will repair the equipment according to the specific information provided by the customer. 6.2.3 Equipment Returns If the failure is confirmed by itself rather than the connection problem, please return the power supply to Bridge Technology to repair.
Page 64 KW (Kilowatt) Reactive Power KVA (Kilovolt-ampere) Time mS (Millisecond) 7.1.3 Command Format The command set of the ZGX series are divided into the following two command formats:  <*>command characters<?> e.g., *IDN? or Remote?  Command characters_<value> e.g., POWER 1 or SET: VOLT 100.0...
Page 65 7.2 Command Sets The parameter data types, parameters and the value range and formats of the programming commands are introduced in this Chapter. The user shall carefully read the content before developing the control operations. (1) Common Commands Commands Return Value Description *IDN “BriPower, ZGX15”...
Page 66 1: Faulty STAT:FAULT? 0: No Faults 1: Standby STAT: READY? 0: Not Standby 1: Enable the three phases parallel function SYSMODE:PAR3P? 0: three phases running independently PARA:OCP <NRf> <NRf> Set the value of Over Current Protection PARA:OVP <NRf> <NRf> Set the value of Over Voltage Protection Set the undervoltage protection value, used in E-LOAD PARA:UVP <NRf>...
Page 67 MEAS:VDCB? <NRf> DC output voltage of phase B (channel B). Unit: V MEAS:VDCC? <NRf> DC output voltage of phase C (channel C). Unit: V MEAS:IDCA? <NRf> DC output voltage of phase A (channel A). Unit: V MEAS:IDCB? <NRf> DC output voltage of phase B (channel B). Unit: V MEAS:IDCC? <NRf>...
Page 68 DCSET#:P- <NRf> Set the DC output negative power limit value. Unit: kW DCSET#:R <NRf> Set the output internal resistance. Unit: Ω Note: “#=0” represents phase A. “#=1” represents phase B. “#=2” represents phase C. (5) Arbitrary Waveform Generation Function Settings - AC Settings - Waveform Commands Return Value Description...
Page 69 segments for setting and querying, with 512 points per segment UDW:DEF6 <NRf1> ~ <NRf512> Set the sixth data segment of the waveform. Each waveform consists of 4096 points, divided into 8 segments for setting and querying, with 512 points per segment UDW:DEF7 <NRf1>...
Page 70 (7) Harmonic Settings Commands Set percentage Commands Return Value Description HARM###:KA <NRf> Set the harmonic content of phase A. Unit: % HARM###:KB <NRf> Set the harmonic content of phase B. Unit: % HARM###:KC <NRf> Set the harmonic content of phase C. Unit: % HARM###:PHASEA <NRf>...
Page 71 Set percentage Commands Return Value Description IHARM#:FREQ 0~16000.00 Set the inter-harmonic frequency (Hz) IHARM#:KA <NRf> Set the inter-harmonic content of phase A. Unit: % IHARM#:KB <NRf> Set the inter-harmonic content of phase B. Unit: % IHARM#:KC <NRf> Set the inter-harmonic content of phase C. Unit: % IHARM#:PHASEA <NRf>...
Page 72 (9) LIST Mode Settings Commands Commands Return Value Description LIST:CMD EXE Execution Sequence LIST:CMD CLS Reset Sequence LIST:CMD DEL Delete Sequence LIST:COUNT? Query how many sequences are set Queries the number of times the EXE command has LIST:RUN? been executed. LIST:DATA001? Query the first row of sequence data LIST:DATAXXX?
Page 73 7.3 Examples (1) Set the AC output (up to 100 steps can be set)  Commands: LIST:DATA001 AMP 220,220,220;PHASE 0,-120,-240;FREQ 50;OFFSET 0,0,0;RAMP 1000;Duration 1000；  Description: Set three-phase voltage of 220V L-N, phase angles of 0, -120 °, -240 °, and frequency of 50Hz. The DC offset is 0V, with the Ramp time of 1 second, the duration of 1 second.
Page 74  Description: Set the loop starts. (6) Set the end of the loop and the number of loops (LOOPE)  Commands 1: LIST:DATA003 LOOPE 5; DCV 50,50,50;DCC 10,10;DCP 10,10;DCR 0;RAMP 1000;Duration 1000  Description 1: After the sequence execution ends at 3, it will return to the sequence marked with LOOPB and repeat 5 times ...
Page 75 (9) Set the Ramp Time  Commands: Ramp 100;  Description: Set the Ramp Time to 100ms (10) Set the Duration Time  Commands: Duration 100;  Description: Set the Duration Time to 100ms (11) Output enable identification (OUTEN)  Commands: OUTEN 0/1;...
Page 76 //No faults STAT:READY? //the unit is in standby status STAT? 0 0 0 1 (16) Inquire Measurements MEAS:UA?;MEAS:UB?;MEAS:UC? 220.00; 220.00;220.00; (17) Power on in standard mode MODE:VCL 0 MODE:SRC 0 STAT:READY? ACSET 50,220,220,220,0,-120,-240,30,30,30,5,5,5,0,0 POWER ON STAT:POWER? OUTPUT ON STAT:OUTPUT? MEAS:UA? 220.00 (18) Power on in sequence mode MODE:VCL 0...
Page 77 STAT:POWER? // Check if the power on is successful OUTPUT ON // Output on STAT:OUTPUT? // Check if the output on is successful MEAS:UA? // Query the voltage measurement of phase A 220.00 MEAS:UA? 110.00 (19) Settings - AC Settings – Waveform (Select the waveform of phase A&B&C) WAV_S 0,1,2;...
Page 78 Chapter 8 Remote Control The ZGX 15 supports remote control function. The operation steps are as below: Step 1: Connect the remote control interface of ZGX with PC. Figure 8-1 Step 2: Change the IP address of the PC's communication network port to:192.168.0.11 Step 3: Close the user’s circuit breaker on the GRID.
Page 79 Figure 8-4 VSScope_Screen_EN...

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