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Apex Digital APEX-P3-15K User Manual
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Apex Digital APEX-P3-15K User Manual

Grid-connected pv inverter
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Grid-connected PV Inverter
APEX-P3-15K
User Manual
DC
AC
Normal
Alarm
DC
AC
Normal
Alarm

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Summary of Contents for Apex Digital APEX-P3-15K

  • Page 1 Grid-connected PV Inverter APEX-P3-15K User Manual Normal Alarm Normal Alarm...
  • Page 2 1. Introduction - 01 - ………………………………………………………… 1.1 Appearance Introduction - 01 - ………………………………………… 1.2 Parts list - 02 - ………………………………………………………… 2. Safety warnings and instructions - 03 - ……………………………………… 2.1 Safety signs - 03 - ………………………………………………………… 2.2 Safety instructions - 03 - …………………………………………………...

  • Page 3: About This Manual

    1. Introduc�on 1.1 Appearance Introduc�on On-grid inverter can convert solar panel DC power into AC power which can directly input to the grid. Its appearance is shown below. These models contain APEX-P3-15K. The following is collec�vely referred to as “inverter”. RS485...

  • Page 4: Parts List

    1.2 Parts list Please check the following table, to see whether all the parts are included in the package： Normal Alarm Moun�ng stainless steel Grid-�ed PV String Inverter Wall moun�ng bracket x1 screws M4×12 DC+/DC- Plug connectors Stainless steel an�-collision AC power connectors x1 including metal terminal bolt M6×60...
  • Page 5 2. Safety warnings and instruc�ons Improper use may result in poten�al electric shock hazards or burns. This manual contains important instruc�ons that should be followed during installa�on and maintenance. Please read these instruc�ons carefully before use and keep them for future reference. 2.1 Safety signs Safety symbols used in this manual, which highlight poten�al safety risks and important safety informa�on, are listed as follows:...
  • Page 6 Shock Hazard: When PV module is exposed to sunlight, the output will generate DC voltage. Prohibit touching to avoid shock hazard. Shock Hazard: While disconnect the input and output of the inverter for maintenance, please waits for at least 5 mins un�l the inverter discharge the remnant electricity. High Temperature Hazard: Local temperature of inverter may exceed 80℃...
  • Page 7 3. Opera�on Interface 3.1 Interface View Normal Alarm Pic 3.1 Front panel display 3.2 Status Indicator There are four LED status indicator lights in the front panel of the inverter. Please see table 3.1 for details. Indicator status Explanation Inverter detects DC input ●DC off...
  • Page 8 3.3 Bu�ons There are four keys in the front panel of the Inverter(from le� to right): Esc, Up, Down and Enter keys. The keypad is used for: ● Scrolling through the displayed op�ons (the Up and Down keys); ● Access to modify the adjustable se�ngs (the Esc and Enter keys). Down Enter 3.4 LCD Display...
  • Page 9 4. Product installa�on 4.1 Select installa�on loca�on To select a loca�on for the inverter, the following criteria should be considered: WARNING: Risk of fire ● Do not install the inverter in areas containing highly flammable materials or gases. ● Do not install the inverter in poten�ally explosive atmospheres. ●...
  • Page 10 ● Install on a wall or strong structure capable of bearing the weight. ● Install ver�cally with a maximum incline of +/-15°. If the mounted inverter is �lted to an angle greater than the maximum noted, heat dissipa�on can be inhibited, and may result in less than expected output power.
  • Page 11 ≥500mm ≥500mm Pic 4.3 Installa�on Gap 4.2 Inverter Installa�on The inverter is designed according to the wall mounted type installa�on, please use the wall mounted (the brick wall of the expansion bolt) when installing. Anchoring Moun�ng bracket Stainless steel screws Inverter Pic 4.4 Inverter Installa�on - 09 -...
  • Page 12 Procedure shows below: 1. Locate on the appropriate wall according to the bolt posi�on on the moun�ng bracket, then mark the hole.On the brick wall, the installa�on must be suitable for the expansion bolt installa�on. Pic 4.5 Inverter hanging plate installa�on 2.
  • Page 13 5 Electrical Connec�on 5.1 DC input terminal connec�on 1. Switch the Grid Supply Main Switch(AC)OFF. 2. Switch the DC lsolator OFF. 3. Assemble PV input connector to the inverter. Warning: When using PV modules, please ensure the PV+ & PV- of solar panel is not connected to the system ground bar Safety Hint: Before connec�on, please make sure the polarity of the output voltage of PV...
  • Page 14 The steps to assemble the DC connectors are listed as follows: a)Strip off the DC wire about 7mm, disassemble the connector cap nut (see picture 5.3). Pic 5.3 Disassemble the connector cap nut b) Crimping metal terminals with crimping pliers as shown in picture 5.4. Pic 5.4 Crimp the contact pin to the wire c) Insert the contact pin to the top part of the connector and screw up the cap nut to the top part of the connector.
  • Page 15 Prohibit using a single circuit breaker for mul�ple inverters, prohibit the connec�on of load between inverter circuit breakers. Model Cable CSA Cable outer dia Breaker Max cable length Outside cable APEX-P3-15K 20-25mm 30A/400V (3+N+PE)20m Table 5.2 Cable informa�on - 13 -...
  • Page 16 The AC output connector is divided into three parts: matching socket, sleeve and sealingsleeve, as shown in picture 5.7, the steps are as follows: Step 1: Remove the cable sealing ring and sleeve in sequence from the AC connector. Step 2: Use strippers to strip the protec�ve sheath and insula�on layer of the AC cable to the right length, as shown in Picture 5.8.
  • Page 17 Pic 5.9 AC Connector Hole Pa�ern Step 5 : Set the sleeve and sealing ring in place. Step 6 : Connect the terminals to the inverter as shown in picture 5.10. Pic 5.10 AC input connec�on - 15 -...
  • Page 18 5.3 The connec�on of the ground line Good grounding is good for resis�ng surge voltage shock and improving EMI perfor- mance.Therefore, before connec�ng AC, DC and communica�on cables, you need to ground the cable firstly. For a single system, just ground the PE cable. For mul�ple machine systems, all PE cables of the inverter need to be connected to the same grounding copper platoon to ensure the equipoten�al connec�on.
  • Page 19 Rated output Current for protection Inverter voltage(V) current(A) device(A) APEX-P3-15K 220/230 22.7/21.7A Table 5.3 Recommended current protector specifica�ons 5.5 Inverter monitoring connec�on Inverter has the func�on of wireless remote monitoring. The inverter with Wi-Fi func�on is equipped with Wi-Fi Plug to connect the inverter and network. Wi-Fi Plug's opera�on, installa- �on, Internet access, APP downloading and other processes are detailed in the instruc�ons.

  • Page 20: Startup And Shutdown

    5.6 Installa�on of datalogger When installing the WiFi s�ck, tear off the sealing strip on the inverter. Insert the datalogger into the interface and fix it with a screw. The configura�on of the datalogger needs to be performed a�er various electrical connec�ons have been completed and the inverter DC power on.

  • Page 21: Inverter Shutdown

    6.1 Start up the inverter When start up the three phase string inverter, should fellow below steps： 1. First switch on the AC breaker. 2. Turn on the DC switch of the photovoltaic module, and if the panel provides sufficient star�ng voltage and power, the inverter will start.
  • Page 22 7. Zero-export func�on via energy meter There're two kinds of energy meters for this series inverter. First type is Eastron SDM630-Modbus V2 which is able to measure the Max. 100A current directly. More details please refer to Pic 7.1 & 7.2. For the Eastron SDM630 MCT 40mA, it needs external CT to measure the current.
  • Page 23 1 2 3 4 5 6 7 8 Eastron (1,2,3,4) (5,6,7,8) B A G RS 485 RS 485 B RS 485 A Eastron SDM630-Modbus V2 Solar Panel array Inverter RS485 DC SWITCH AC Breaker RS 485 Male connector Family load VCC_5V 485_B N L3 L2 L1...
  • Page 24 9 1 0 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 Eastron 15 16 17 18 19 20 1 2 3 4 Grid voltage Auxiliary Current inputs sampling power supply 1 4 1 3 1 2 RS 485 Eastron SDM630MCT...
  • Page 25 Three-Phase Smart Meter (1,4,7,10) (3,6,9,10) RS 485 CHNT DTSU666 Pic 7.5 CHNT meter Inverter Solar Panel array RS485 DC SWITCH AC Breaker RS 485 Male connector Family load L1 L2 L3 N VCC_5V 485_B RS 485 Female connector Three-Phase Smart Meter meter 485_A L1 L2 L3 N...
  • Page 27 Name Descrip�on Range AVG: Average power of three phase is zero exported. Exp_Mode MIN: Phase with minimum load power is zero AVG/MIN exported, while the other two phase may be in purchase mode. CT ra�o of power grid side meter when extern CT_Ra�o 1-1000 CT is applied.
  • Page 28 1 2 3 4 5 6 7 8 Eastron (1,2,3,4) (5,6,7,8) B A G RS 485 RS 485 B RS 485 A Eastron SDM630-Modbus V2 Pic 7.8 Eastron meter Grid Master(Mst) L1 L2 L3 N RS485 485_B 485_A VCC_5V 485_B RS 485 Female connector Slave2(Slv2)
  • Page 29 9 1 0 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 Eastron 1 2 3 4 15 16 17 18 19 20 Grid voltage Auxiliary Current inputs sampling power supply 1 4 1 3 1 2 RS 485 Eastron SDM630MCT...
  • Page 30 Three-Phase Smart Meter (1,4,7,10) (3,6,9,10) RS 485 Pic 7.12 CHNT meter CHNT DTSU666 Master(Mst) AC Breaker RS485 DC SWITCH Solar Panel array Slave1(Slv1) AC Breaker RS485 DC SWITCH Solar Panel array AC Breaker Slave2(Slv2) RS485 DC SWITCH Solar Panel array AC Breaker load VCC_5V...
  • Page 32 7.3 Notes while using zero export func�on For your safety and the opera�on of limiter func�on of the inverter, we put forward the following sugges�ons and precau�ons: Safety Hint: Under zero export mode we strongly recommend that the two PV arrays are formed by the same number of PV panels of the same size, which will make the inverter more responsive to limit the power.
  • Page 33 And then choose your system type as “Self-consump�on” Secondly, go to plant page, if it shows the PV power, load power and grid power, which means the configura�on is correct. - 31 -...

  • Page 34: General Opera�On

    8. General Opera�on During normal opera�on, the LCD shows the current status of the inverter, including the current power, total genera�on, a bar chart of power opera�on and inverter ID,etc. Press the Up key and the Down key to see the current DC voltage, DC current, AC voltage, AC current,in- verter radiator temperature,so�ware version number and Wifi...
  • Page 35 P1-P6 Vstart Q1-Q6 Vstop P1-P6 PF1-PF6 Pstart Pstop RmpTime Ac�veP PmpTime Q-Mode PtUsed V1-V6 Q1-Q6 VRated Q(%) ReactP Exp_Mode Fun- ISO AUTO CT_Ra�o 0 EASTRON Fun RCD ACREL FeedIn SelfCheck CHNT Shunt ShuntQTY Island Generator AUTO Meter G.CT EASTRON Setup G.MFR ACREL Limiter...
  • Page 36 *Note: These parameters will be avaiable a�er the meter is INMETRO connected successfully. Otherwise, it won't show. EN50549 EN50438 IEC61727 CUSTOM VDE_4105 UTE_C15 RD1699 CEI_0_21 G98_G99 AS4777(.2) NB/T 32004 GridStanderd Protect Param OverVolt Lv3-Lv1 Advanced Point 240.0V Back Delay 1000ms UnderVolt Lv1-Lv3 Point 235.0V Delay 1000ms...
  • Page 42 Name Descrip�on Range Ac�veP Adjust the output ac�ve power in % 0-110% OFF/Q(P)/PF(P) Q-Mode Mul�ple reac�ve power control modes /Q(U)/PF/Q(%) Grid reference voltage for func�ons Vref 80-260V including Q(U),PF(P),P(U)etc. ReactP Adjust reac�ve power output in % -100%-+100% Power Fator -1-0.8~+0.8-1 Fun_ISO Insula�on resistance detec�on ON/OFF...
  • Page 44 Name Descrip�on Range Arc-fault detec�on func�on ON/OFF/CLR Ac�ve power response to over- ON/OFF/HYS OF-Derate frequency Ac�ve power response to under- ON/OFF UF-Uprate frequency power response to grid voltage ON/OFF devia�on ON/OFF voltage ride through func�on LVRT ON/OFF HVRT voltage ride through func�on Hard/so�...
  • Page 48 U/Vref (U1,P1) (U2,P2) (U3,P3) (U4,P4) P/Pn Pic 8.33 Ac�ve Power Regula�on Curve in PU Curve Parameter Range Descrption Value of P/Pn at point (P1,U1) on the PU mode 0%-110% Pn curve Grid voltage limit at point (P1,U1) on the PU mode 0% -150% Vref curve Value of P/Pn at point (P2,U2) on the PU mode...
  • Page 50 (U1,Q1) Upper Q/Pn lnd (U2,Q2) (U4,Q4) Grid Voltage (U3,Q3) (U5,Q5) Lower Q/Pn Cap (U6,Q6) Pic 8.35 Reac�ve Power Regula�on Curve in Q(U) Curve - 48 -...
  • Page 51 Parameter Range Description The QU mode starts when the active power Pstart 0%-130% Rate out power is greater than this value The QU mode stops when the active power 0%-130% Rate out power Pstop is less than this value Value of Q/Pn at point (U1,Q1) on the Q(U) -60% -60% Q/Pn mode curve Grid voltage limit at point (U1,Q1) on the...
  • Page 53 Parameter Range Description Power value/Pn at point (P1,Q1) on the Q(P) mode 0%-100% Pn curve Reac�ve power value at point (P1,Q1) on the Q(P) -60% -60% Q/Pn mode curve Power value/Pn at point (P2,Q2) on the Q(P) mode 0%-100% Pn curve Reac�ve power value at point (P2,Q2) on the Q(P) -60% -60% Q/Pn...
  • Page 55 Parameter Range Description The PFP mode is enable when grid Vstart 0-150% Vref voltage is greater than Vstart The PFP mode is disable when grid voltage Vstop 0-150% Vref is less than Vstop Power value at point (PF1,P1) on the PF(P) 0-110% Pn Curve PF value at point (PF1,P1) on the PF(P)

  • Page 59: Repair And Maintenance

    9. Repair and Maintenance String type inverter doesn’t need regular maintenance. However,debris or dust will affect heat sink’s thermal performance. It is be�er to clean it with a so� brush. If the surface is too dirty and affect the reading of LCD and LED lamp, you can use wet cloth to clean it up. High Temperature Hazard: When the device is running, the local temperature is too high and the touch can cause burns.
  • Page 60 10.1 Error code If there is any failure,the LCD screen will display an alarm message. In this case,the inverter may stop feeding energy into the grid. The alarm descrip�on and their corresponding alarm messages are listed Table 10.1. Error code Descrip�on Ongrid - Three Phase DC input polarity reverse fault...
  • Page 61 Error code Descrip�on Ongrid - Three Phase 1. Check whether solar panel output current is within the allowed range. DC over current fault of the 2. Check DC current sensor and its detec�on circuit. hardware 3. Check if the inverter FW version is suitable for the hardware. 4.
  • Page 62 Error code Descrip�on Ongrid - Three Phase AC grid phase error Hardly appear the code. Never ever happened so far. AC three-phase voltage unbalance Hardly appear the code. Never ever happened so far. failure AC three-phase current unbalance Hardly appear the code. Never ever happened so far. failure 1.
  • Page 63 Error code Descrip�on Ongrid - Three Phase 1. It tells the PV input voltage is low and it always happens in the early morning. 2. Check PV voltage and Ubus voltage. When inverter is running, DC busbar voltage is too low then showing F56, maybe Loss of driver or need update firmware.
  • Page 64 11.Specifica�on Model APEX-P3-15K Input Side Max.DC Power(kW) 19.5 Max.DC Input Voltage(V) 1000 Start-up DC Input Voltage(V) MPPT Opera�ng Range(V) 200~850 13+26 Max.DC Input Current(A) Max. Short Circuit Current (A) 19.5+39 Number of MPPT/Strings per MPPT 2/1+2 MAX inverter backfeed current (A)
  • Page 65 General Data DC Connec�on MC-4 mateable AC Connec�on IP65 rated plug Display LCD1602 Interface RS485/RS232/Wifi/LAN 2022-12-06 Ver 2.3 - 63 -...
  • Page 66 Apex Solar Energy Technology GmbH Add: No.76，Reisholzer Wer� Road, Duesseldorf , Germany 40589 Tel: (+49) 0211 3023 4872 E-mail: Service @apex-solar.de Wed: www.apex-solar.de...