ABLE OF ONTENTS ABLE OF ONTENTS 1. Introduction ..............1 1.1. About This Manual ......................1 1.2. Valid Models ........................... 1 1.3. T arget Group .......................... 1 2. Safety ................. 2 2.1. System Usage ........................2 2.2. Disconnecting ........................2 3.
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ABLE OF ONTENTS 4.5. Package Contents ......................16 5. Installation ..............17 5.1. Recommended T ools ......................17 5.2. DC Connection ........................17 5.2.1. Dimension of DC Busbar ..................19 5.2.2. Choose Input DC Fuse and Cable Size ............21 5.2.3.
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ABLE OF ONTENTS 5.10.3. Fault Ride Through (FRT) ................38 5.11. LCD Flowchart ........................40 5.11.1. Home Page ......................40 5.11.2. Power Meter ......................41 5.11.3. Energy Log ......................41 5.11.4. Event Log ....................... 42 5.11.5. Operation Data ....................43 5.11.6.
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7.5. Replacing Surge Protection Device (SPD) ............... 70 Appendix A. Technical Data ......... 72 Appendix B. Cable Combination Table & Hole Size of plate 76 Appendix C. Delta MV Transformer and Auxiliary Power transformer Application Note ..........77 Appendix D. Contact Information ........81 NSTALLATION EFERENCE...
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ONVENTIONS Conventions General Conventions The following conventions are used in this manual: Example: Indicates information used to demonstrate or explain an associated concept. Note: Indicates additional information that is relevant to the current process or procedure. WARNING! Warning information appears before the text it references to emphasize that the content may prevent damage to the device or equipment.
Delta may modify or update the Manual from time to time without any notice. Delta will do its best efforts to keep the Manual updated and maintain the accuracy of the Manual. Delta disclaims any kinds or forms...
1.2. Valid Models This user manual describes the installation procedures, maintenance, technical data and safety instruction of the following solar inverter models under Delta brand. ● RPI-C500 PV Inverter 1.3. Target Group The guidelines in this manual provide instructions for a person who is well training and skillful for the installation of the central inverter.
6%. This external transformer is required to be located between the output of the central inverter and the utility power connection. For the application of MV transformer .Please refer to the Appendix C “ Delta MV transformer application note”.
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AFETY ISCONNECTING Simply switching off the main AC and DC switches is not sufficient to ensure proper isolation of the device. The main switches only separate the power circuit from the grid and the photovoltaic generator. CAUTION! ISK OF LETHAL ELECTRIC SHOCK Dangerous accidental-contact voltages can be present in the PV Inverter even when the main AC and DC switches are switched off! ...
ESCRIPTION 3. Product Overview 3.1. Product Description The Delta RPI inverter models include the RPI-C500. It is manufactured to meet high standards of quality and to maximize the yield of every solar plant (up to 98.7% efficiency). The RPI series include a IP-65 protection level enclosure and corrosion resistant features to ensure the protection of the inverter within an indoor or outdoor environment.
RODUCT VERVIEW EATURES 3.3. Features The following are important features of the product(s) described in this manual: ● High efficiency, peak 98.7%, EUR 98.4% ● 3 Phase (3 Lines + PE) 500kVA solar inverter ● Wide input range (420-1000Vdc) ● Wide MPPT range (450-820Vdc) ●...
& I RANSPORTATION NSTALLATION REPARATION NSTALLATION EQUIREMENTS 4. Transportation & Installation Preparation 4.1. Installation Site Requirements 4.1.1. Site Space Make sure the room for system loading and the destination installation site meet the space requirements described in this section. Figure 4-1. Inverter Space Requirements The loading site should provide enough space to unpack the entire system and release the container.
& I RANSPORTATION NSTALLATION REPARATION REPARING THE NSTALLATION 4.2. Preparing the Installation Site Prior to unpacking the system, make sure that you read and understand all environ- mental and space requirements. 4.2.1. Dimensions of trench Prepare a trench for laying cables from DC and AC distribution box safely. The suggested width of trench is 250mm (shaded area in Figure 4-2) and the suggested depth is depended on user.
& I RANSPORTATION NSTALLATION REPARATION IXED ETHODS 4.2.3. Fixed Methods You can install the inverter: 1. Install on the ground directly. 2. Install on the base mounted on the ground. Rear Front Rear Front Trench Base Figure 4-4. Fixed Methods 4.2.4.
& I RANSPORTATION NSTALLATION REPARATION SING ORKLIFT ALLET RUNK Internal Air Outlet Unit: mm Figure 4-6. Internal air outlet dimensions (top view) 4.3. Delivery Options and Recommended Vehicle Any equipment used for the transport of the central inverter must be suitable for the weight of the central inverter.
& I RANSPORTATION NSTALLATION REPARATION SING RANE 4.3.1. Using a Forklift or pallet trunk The method of moving the central inverter by using a forklift or pallet trunk is the same whether the unit is packed in a shipping crate or not. Follow these steps: 1.
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& I RANSPORTATION NSTALLATION REPARATION SING RANE If the unit is unpacked in a shipping crate: 1. Open the front and back door of the central inverter. 2. Loosen the screws on the top cover. Figure 4-9. Loosen the Screws on the Top Cover 3.
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& I RANSPORTATION NSTALLATION REPARATION SING RANE 4. Attach the hoisting hooks and cables to the steel rings on the inverter. Crane Hook Steel Ring Hoisting Hook Figure 4-11. Attaching the Hoisting Cables 5. Attach the crane hook to the steel ring on the hoisting cables. 6.
& I RANSPORTATION NSTALLATION REPARATION NPACKING 4.4. Unpacking To unpack the central inverter from shipping crate, follow these steps: 1. Remove top cover of paper case and then remove the paper box in clockwise direction. Figure 4-12. Removing the paper case 2.
& I RANSPORTATION NSTALLATION REPARATION ACKAGE ONTENTS 3. Remove the central inverter from the pallet. Figure 4-14. Removing the Central Inverter from the Pallet 4.5. Package Contents Table 4-1: Package Contents Object Description Central Inverter RPI-C500 Inverter Open/Close the door of the inverter The instruction to provide the information of safety, installation, Installation Manual specification, etc.
NSTALLATION ECOMMENDED OOLS 5. Installation 5.1. Recommended Tools Only use tools that have been recommended to install the unit. ● Power meter (power analyzer) ● Voltmeter ● Current meter ● Adjustable / Torque / Socket Wrench ● Screwdriver 5.2. DC Connection 1.
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DC C NSTALLATION ONNECTION 2. Connect the power cables from the DC distribution box to the PV Inverter shown in Figure 5-2. Figure 5-2. DC Connection Maximum No. of conductor (+/-) Screw/Nut size Torque requirement (Nm) DC Terminal Minimum total cable size requirement for DC+/DC- DC Cable 600mm Note:...
Note: For cable size and number other than the default setting. You must consult with manufacturer (Delta Electronics) in advanced for other cable combinations. Please follow these steps when using other cable combinations. 1. Check the terminal lug of the cable whether to match the connection with the terminal of busbar, including the hole size of screw and the width of screw hole on busbar.
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DC C NSTALLATION ONNECTION Figure 5-4. Dimensions of the DC connection lugs NSTALLATION UIDE...
Note: 1. The default setting of fuse is 250A*8 runs. 2. Must consult with Delta in advanced if using other rating type of fuse. 5.2.3. Positive/Negative Grounding The PV array can be grounded using positive grounding or negative grounding. To ground the PV array follow these steps: (Figure 5-5) 1.
NSTALLATION ONNECTION 5.3. AC Connection 1. Thread the AC power cables through the bottom plate located shown in Figure 5-6. Figure 5-6. AC Power Cable Wiring NSTALLATION UIDE...
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NSTALLATION ONNECTION 2. Connect the power cables from the AC distribution box to the PV Inverter shown in Figure 5-7. Figure 5-7. AC Connection Maximum No. of conductor for Screw/Nut size Torque requirement (Nm) each phase AC Terminal Minimum total cable size requirement for each phase AC Cable 550mm Note:...
NSTALLATION ONNECTION Note: Need to use moving bushing and silicon rubber for waterproof and dust. The recommended material of movable bushing and silicon rubber is shown as below: Component Part number Vendor Movable bushing KG-020 KANG YANG HARDWARE Silicon rubber RTV162 GE Bayer Silicones 5.3.1.
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NSTALLATION ONNECTION Figure 5-9. Dimensions of the AC connection lugs NSTALLATION UIDE...
PE C NSTALLATION ONNECTION 5.4. PE Connection There are two positions that can be connected to PE. 1. Inverter inside. Connect PE to the busbar in AC or DC side. 2. Inverter outside. Connect PE to the inverter holder. AC side DC side Figure 5-10.
PE C NSTALLATION ONNECTION 5.4.1. Dimension of PE Busbar Figure 5-11. Dimensions of the PE connection lugs Maximum No. of conductor (DC/AC) Screw/Nut size Torque requirement (Nm) PE Terminal Minimum total cable size requirement PE Cable 250mm CAUTION! The working temperature of cable should be 105°C. Note: Please follow these steps when using other cable combinations.
NSTALLATION NSTALLATION 5.5. DC Fuse Installation 1. Loosen the screws on the busbars, and then take the busbars off. Figure 5-12. Remove screws and busbars 2. The steps of DC+ and DC- are the same, so install busbars and fuses, follow these steps: ●...
TTACH EMOVE LATES NSTALLATION 5.6. Attach/Remove the Plates To attach the plates, follow these steps: 1. Attach the plates to the front and back of the bottom of the central inverter. 2. Tighten the screws on the both side of the plates. Figure 5-14.
NSTALLATION ONNECTION OF OMMUNICATION ODULES 5.7. Connection of Communication Modules The Communication Module provide the function of communication with 2-port RS-485 and 2-port dry contacts. 5.7.1. RS-485 Connection The pin definition of RS-485 is shown as in Table 5-1. Installer should switch ON the terminal resistor when single inverter is installed.
NSTALLATION ONNECTION OF OMMUNICATION ODULES Figure 5-17. Multi-inverter Connection Illustration Table 5-2: RS-485 Data Format Baud rate 9600 Data bit Stop bit Parity Table 5-3: Terminal Resister Setting Terminal Resistor SW ON SW OFF 5.7.2. Dry Contact Connection Provide 2 set of Dry Contact function for gird and fault respectively. When inverter is on grid, COM &...
NSTALLATION UXILIARY OWER FROM XTERNAL OURCE 5.8. Auxiliary Power from External Source If the power source of AC auxiliary power is changed from internal to external source, follow these steps: 1. Disconnect the terminal cables from the AC breaker. Note: The external power source should be able to provide with voltage 3P3W - 270Vac/315Vac/380Vac/400Vac ±15%, 50/60Hz, and power rating –...
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NSTALLATION UXILIARY OWER FROM XTERNAL OURCE 3. Remove the cables from the AC auxiliary power terminal block and AC breaker. Figure 5-20. Removing the Cables 4. Thread the external power cables through the cable gland from external source. Figure 5-21. Auxiliary Power from External Source 5.
NSTALLATION OWERING P THE NVERTER AND TEST 5.9. First Time Powering Up 5.9.1. Before Powering Up 1. Check the PV array. Note: The PV array open circuit DC voltage must be greater than 500Vdc and less than 1000Vdc. a. Measure the PV array open circuit DC voltage across the DC positive (+) and negative (-) terminals in DC distribution.
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NSTALLATION OWERING P THE NVERTER AND TEST i. The Main Menu screen is displayed and the setup is complete. EXIT Confirm Country Select Country– 1/1 Select Language 21. Jun 2010 13:50 21. Jun 2010 13:50 21. Jun 2010 13:50 English China Are you sure you to set country Deutsch...
NSTALLATION CTIVE EACTIVE OWER ONTROL AULT HROUGH 5.10. Active/Reactive Power Control and Fault Ride Through User can only set Active/Reactive power control in Grid System = Germany MV, India, or China (User has to key in password to change these settings). Fault ride through (FRT) can only be set in Grid System = Germany MV, India, or China.
NSTALLATION CTIVE EACTIVE OWER ONTROL AULT HROUGH Figure 5-23. Power vs. frequency characteristic 5.10.2. Reactive Power Control According to BDEW: With active power output, it must be possible to operate the generating plant in any operating point with at least a reactive power output corresponding to a active factor at the network connection point of cos φ...
NSTALLATION CTIVE EACTIVE OWER ONTROL AULT HROUGH 5.10.2.3. Fixed Reactive Power Once user enables this method, inverter will deliver reactive power (ie. Q) according to the fixed reactive power setting. The setting range is from Cap 60% to Ind 60%. 5.10.2.4.
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NSTALLATION CTIVE EACTIVE OWER ONTROL AULT HROUGH Below the blue line shown in Figure 2.5.1.2-2, there are no requirements saying that generating plants have to remain connected to the network. Voltage drops with values above the borderline 1 must not lead to instability or to the disconnection of the generating plant from the network (TC2007;...
LCD F NSTALLATION LOWCHART 5.11. LCD Flowchart Press EXIT button will enter menu page (Figure 5-28), E-today is the home page for the following items in this section. Menu 21. Jun 2010 13:50 E-Today Power Meter Energy Log Event Log Operation Data Inverter Information Settings...
NSTALLATION OWER ETER 5.11.2. Power Meter This page shows the information about input and output power. Power Meter – 1/2 Power Meter – 2/2 21. Jun 2010 13:50 21. Jun 2010 13:50 DC Input: AC Output: Input1 Input2 Volt. UV 270 / VW 269 / WU 271 100200 101800 Curr.
NSTALLATION VENT 5.11.4. Event Log When entering this page, the display will show all the events (error or fault) and it can show 30 records at most with the latest one on the top. When pressing ENT, user can view all the statistic data. Event Log Event Summary –...
NSTALLATION PERATION 5.11.5. Operation Data Have 4 pages; record the maximum and/or minimum values of history, including volt- age, current, power and temperature. Operation Data – 1/4 Operation Data – 2/4 21. Jun 2010 13:50 21. Jun 2010 13:50 Maximum Input1 Maximum (Vdc)
NSTALLATION NVERTER NFORMATION 5.11.6. Inverter Information This page has the following information: serial number, firmware version, installation date and inverter ID. If user wants to change inverter ID, please refer to Settings. Inverter Information Inverter Information 21. Jun 2010 13:50 21.
NSTALLATION ETTINGS 5.11.7.1. Personal Settings User can set Language, Date, Time, Screen Saver, LCD brightness and contrast in Personal Settings. Screen Saver can adjust from 5min-60min. When over the setting time limitation without using button functions, the LDC backlight will turn off automatically.
NSTALLATION ETTINGS 5.11.7.3. Install Settings Correct passwords are requested when entering Install Settings. Install Settings for user and installation technician are different. The password cannot be revised. After confirmation as the general user password, user can set Inverter ID, and Insulation. CAUTION! AUTIONS APPEAR BEFORE THE TEXT IT REFERENCES CAUTIONS APPEAR IN CAPITAL LETTERS...
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NSTALLATION ETTINGS set country as “Custom”. Return to Factory will turn inverter to default setting and delete all the records of event and energy. Install Settings – 1/2 Install Settings – 2/2 21. Jun 2010 13:50 21. Jun 2010 13:50 Inverter ID 60 s Reconnection Time...
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NSTALLATION ETTINGS Table 5-4: Grid Setting Parameters Parameter Description Inverter will be disconnected from grid if the phase voltage of AC rises to Vac High Off this value. Inverter will be reconnected to grid if the phase voltage of AC drops to this Vac High On value.
NSTALLATION ETTINGS Table 5-4: Grid Setting Parameters (Continued) The function is same as Fac Low Off, but the value must be higher than Fac Low Off Slow former. The function is same as Fac Low On, but the value must be higher than Fac Low On Slow former.
NSTALLATION ETTINGS 5.11.7.4.2. Power vs. Frequency Gradient means the slope of power reduction, ie. –xx%/Hz Active Power Control 21. Jun 2010 13:50 Actual/Rated Power Actual Statism 50.30 Start Frequency Stop Frequency Recovery Frequency ] Hz Statism Recovery Time ( Hz ) Mode stop recovery...
NSTALLATION ETTINGS 5.11.7.4.5. Constant Reactive Power When this Mode is turned on, inverter will maintain reactive power as a constant value. Active/Reactive Power Reactive Power Control 21. Jun 2010 13:50 21. Jun 2010 13:50 Constant cosφ Reactive Power (Q/Sn) cosφ(P) Mode Constant Reactive Power Q(V)
NSTALLATION ETTINGS 5.11.7.5. FRT (Fault ride through) Users can refer to the figure below and fine tune the parameters in FRT setting page. FRT – 1/2 21. Jun 2010 13:50 Dead band - Vh Dead band - Vl K factor K factor U/Un Vdrop...
ROUBLESHOOTING EASUREMENT NDEX 6. Troubleshooting 6.1. Measurement Index Please refer to the following tables for definition of Measurement Index. E-Today: 1175kWh Power Meter – 1/2 Power Meter – 2/2 21. Jun 2010 13:50 21. Jun 2010 13:50 21. Jun 2010 13:50 DC Input: Runtime: 8.2Hrs Power:...
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ROUBLESHOOTING EASUREMENT NDEX Operation Data – 1/4 Operation Data – 2/4 21. Jun 2010 13:50 21. Jun 2010 13:50 Maximum Input1 Maximum (Vdc) Voltage Voltage (Vdc) Current 763.0 Current (kW) Power 170.0 Power (kW) 280.0 Voltage (Vdc) Current 758.0 Input2 Power 169.0 (kW)
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ROUBLESHOOTING EASUREMENT NDEX Table 6-1: Measurement Index (Continued) Measurement Meaning AC Output - Power Factor Power factor of AC Output Life Energy Total energy generated to present time Life Runtime Accumulated operation time to present time Total CO saved Accumulated CO emission retrenched to present time Total Earning Accumulated the total amount of money earned...
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ROUBLESHOOTING EASUREMENT NDEX Table 6-1: Measurement Index (Continued) Measurement Meaning Output Frequency Maximum The maximum Grid frequency from history Inside Max. The maximum inverter inner temperature value Heatsink-R Max. The maximum Heatsink-R temperature value Heatsink-S Max. The maximum Heatsink-S temperature value Heatsink-T Max.
ROUBLESHOOTING RROR ESSAGE AND ROUBLESHOOTING 6.2. Error Message and Trouble- shooting Ones can check the Error Message on LCD then make simple and quick trouble shooting according to the following table. Table 6-2: Error Messages Message Possible cause Action 1. Check the utility frequency on the 1.
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ROUBLESHOOTING RROR ESSAGE AND ROUBLESHOOTING Table 6-2: Error Messages (Continued) Message Possible cause Action 1. Modify the PV array setting, and 1. Actual PV array voltage is over make the Voc less than 1000Vdc 1000Vdc Solar1 High 2. Check the detection circuit inside 2.
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ROUBLESHOOTING RROR ESSAGE AND ROUBLESHOOTING Table 6-4: Fault Message Message Possible cause Action 1. Check the installation ambient ° 1. The ambient is over 60 C (The and environment Temperature installation is abnormal) 2. Check the detection circuit inside 2. Detection circuit malfunction the inverter 1.
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ROUBLESHOOTING RROR ESSAGE AND ROUBLESHOOTING Table 6-4: Fault Message (Continued) Message Possible cause Action 1. Check the auxiliary circuitry inside 1. Auxiliary power circuitry the inverter HW Red ADC2 malfunction 2. Check the detection circuit inside 2. Detection circuit malfunction the inverter 1.
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ROUBLESHOOTING RROR ESSAGE AND ROUBLESHOOTING Table 6-4: Fault Message (Continued) Message Possible cause Action 1. N/A 1. Surge occurs during operation 2. Check the driver circuit in inverter stage 2. Driver for inverter stage is AC Current High defective 3. Check all switching devices in inverter stage 3.
AINTENANCE EPLACING COMPONENTS 7. Maintenance 7.1. Replacing a Fan Module 1. Pull and rotate the handle and then open the rear panel door Figure 7-1. Pull and rotate the handle NSTALLATION UIDE...
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AINTENANCE EPLACING A ODULE 2. Disconnect the connectors of the fan modules. Figure 7-2. Disconnecting the Connectors 3. Loosen the screws and nuts securing the bottom fan module to the chassis and remove the module. Figure 7-3. Loosening Bottom Fan Module Screws NSTALLATION UIDE...
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AINTENANCE EPLACING A ODULE 4. Loosen the screws securing the top fan module to the chassis and remove the module. Figure 7-4. Loosening Top Fan Module Screws NSTALLATION UIDE...
AINTENANCE EPLACING AN ILTER 7.2. Replacing an Air Filter 1. Pull and rotate the handle and then open the rear panel door Figure 7-5. Pull and rotate the handle 2. Loosen the screws securing the air filter cover to the rear panel door and then open the cover.
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AINTENANCE EPLACING AN ILTER 3. Loosen the screws securing the air filter to the rear panel door. Figure 7-7. Loosening Air Filter Screws 4. Loosen the filter. Figure 7-8. Loosening the Air Filter NSTALLATION UIDE...
AINTENANCE LEAN UTLETS 7.3. Clean Air Outlets 1. Open the front door of the central inverter. 2. Loosen the nuts on the plates of air outlets. Figure 7-9. Loosening the nuts of air outlets 3. Move the plates of air outlets to the right. Figure 7-10.
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AINTENANCE LEAN UTLETS 4. Remove the plates and air outlets directly. Figure 7-11. Remove the air outlets NSTALLATION UIDE...
DC F AINTENANCE EPLACING USES 7.4. Replacing DC Fuses 1. Switch AC and DC power off and check no residue voltage exists on DC/AC side. 2. Loosen the screws on the fuses, and then take the old fuses off. 3. Put the new fuses and screws on the busbar, and then tighten the screws. Figure 7-12.
AINTENANCE EPLACING URGE ROTECTION EVICE 7.5. Replacing Surge Protection Device (SPD) Once the inverter encounters voltage spikes (e.g. struck by lightning) SPD will protect the inverter and got damaged. If you find a warning message “DC Surge” or “AC Surge” shown on display panel, please follow the steps below to replace the SPD. 1.
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AINTENANCE EPLACING URGE ROTECTION EVICE 4. Pull out the damaged unit and replace a new one. Figure 7-15. Pull out the SPD unit NSTALLATION UIDE...
PPENDIX Appendix A. Technical Data Type of Equipment Outdoor enclosure Grid tied PV inverter Input Absolute maximum PV input 1000Vdc voltage 420/485*Vdc – 1000Vdc Operation voltage range 450/500*Vdc – 820Vdc Maximum power MPPT range MPPT accuracy > 99.9% at rated power Inverter wake up voltage <...
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PPENDIX Output Output capacity 500kVA Grid Three phase (3P3W-IT) Utility voltage range 243~378VΔ Utility frequency 50/60Hz Domestic regulation (Max 50/60Hz Utility frequency range ± 5Hz) Maximum output current 1080A Anti-islanding Domestic regulation Connect to utility after utility recover Output reconnect and countdown finished Reconnect time Domestic regulation...
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PPENDIX Information Communication Port RS-485 Delta Protocol ● Operation: Green (Flashing during countdown) ● Alarm: Red 5” Graphic, 320*240 pixels LCD display Display buttons 4 operational buttons Energy log Day/Month/Year ● 30 events recently Event Log ● Event times for each event...
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PPENDIX Environment Vibration ISTA 1E Drop ISTA 1B Mechanical Dimension Width 1600mm Depth 800mm High 1950mm Weight 1300kg Cooling Air cooling with Fans with inlet filter Enclosure rating IP-65 (Electric parts) Note: ” * ” When AC output voltage is 315Vac. NSTALLATION UIDE...
PPENDIX Appendix B. Cable Combination Table & Hole Size of plate DC Side bottom plate Allowable Cable Gland Overall diameter Maximum hole No. of DC bottom plate Model No. of Cable ( mm ) AVC-MGB40-25-SD Ø 26.7 ~ 21.3 Note: “a”...
PPENDIX Appendix C. Delta MV Transformer and Auxiliary Power transformer Application Note A. Technical requirement of MV transformer A.1 The required insulation voltage of low voltage winding in MV transformer should To endure the pulse mode voltage of inverter with a maximum 1310V to earth.
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PPENDIX Each inverter require a separate isolated voltage winding. It is forbid to use several inverters in parallel with one low voltage winding. A.3 The MV transformer can be oil-type or dry-type. A.4 It is suggested to have tap changer on the high voltage side to align the voltage level to medium voltage.
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PPENDIX B.1 Technical requirement of two-winding transformer - The voltage impedance should line between 4.0-6.0% - The vector grouping of two-winding transformer can be Dy11 or YNd11 * Please use DC+ to earth ground or DC- to earth ground if YNd11 is applied. YNd11 Dy11 B.2 Technical requirement of three-winding transformer...
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216V ~ 438V and power rating should be larger than 2.8kVA. The output of transformer can be either Star or Delta connection for the auxiliary power. If the Neutral point of Star connection is brought out, to leave it unconnected. Inverter...
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断电 安全规范 将 DC 和 AC 开关切至 OFF 并不足以将本机和电源隔离,这些开关只会将机器从太 阳能板和市电隔离。 注意! 本动作可能触电导致人员伤亡! 即便将 DC 和 AC 开关切至 OFF,仍然会有误触电压的危险。 要碰触本机请至少在关机五分钟之后进行。 本机隔离 DC 电压的方式是靠外部或内部的 DC 输入保险丝,或是使用外部的断路器 。 要移除 DC 输入保险丝必须要在无负载的状态下进行。 逆变器在 DC 端和 AC 端都有放置电容器,关机时,这些电容器会开始放电,所以在 几分钟之内,碰触机器仍然有触电的危险,尤其当机器出现故障,这些危险电压停留 的时间会更久,所以要开启本机请至少在关机五分钟之后进行。 注意! 本动作可能触电导致人员伤亡! 即便将 DC 和 AC 开关切至 OFF,仍然会有误触电压的危险。 要碰触本机请至少在关机五分钟之后进行。...
安装说明 AC 端连接 5.3. AC 端连接 1. 如图 5-6 所示将连接到 AC 端的电缆穿过底板。 图 5-6. AC 端配线 安装手册...
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安装说明 AC 端连接 2. 如图 5-7 所示将从 AC 配线盒来的电缆连接到逆变器。 图 5-7. AC 端连接 各相最大缆线数目 螺丝/螺帽尺寸 扭力需求 (Nm) AC 端 AC 端最小需要的缆线总截面积 AC 端缆线 550mm 说明: AC 侧底板相关信息请参阅附录 B。 注意! 选用的缆线操作温度要有到 105°C。 安装手册...
PE 端连接 安装说明 5.4. PE 端连接 PE 端连接有以下两个地方可以使用。 1. 逆变器内部。可将 PE 连接到内部的 DC 侧或是 AC 侧的铜排上。 2. 逆变器外部。可将 PE 连接到外部的逆变器支撑脚上。 AC 侧 DC 侧 图 5-10. PE 端连接。(a)逆变器内部;(b)逆变器外部 安装手册...
安装说明 干接点连接 图 5-17. 多组逆变器的配线说明 表 5-2: RS-485 数据格式 Baud rate 9600 Data bit Stop bit Parity 表 5-3: 终端电阻设定 Terminal Resistor SW ON SW OFF 5.7.2. 干接点连接 本逆变器提供两组干接点以连接外部装置,功能分别是 ON GRID(并网状态)和 FAULT(故障)。当逆变器处于并网状态, COM 和 NO2 会短路;当机器侦测到硬件 故障时则 COM 和 NO1 会短路,这些功能可以由顾客的需求来做设定。 COM Pin FAULT ON GRID...
安装说明 有功/无功功率控制与故障穿越 5.9. 第一次开机 5.9.1. 开机前的准备 1. 检查太阳能板。 说明: 太阳能板的 DC 开路电压必须大于 500Vdc 且小于 1000Vdc。 a. 在 DC 配电箱中量测太阳能板 DC 开路电压的正端(+)和负端(-)。 2. 检查 AC 市电电压。 使用 AC 电压表去量测 AC 市电电压,正常电压值应为线电压 270Vac。 5.9.2. 开机和自我测试 1. 配置光伏逆变器的设定 要送电给逆变器请将 DC 开关切换到 ON,液晶显示面板将在 40 秒之后开始 正常显示。...
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安装说明 有功/无功功率控制与故障穿越 i. 此时画面出现 Menu,整个设定步骤完成。 EXIT Confirm Country Select Language Select Country– 1/1 21. Jun 2010 13:50 21. Jun 2010 13:50 21. Jun 2010 13:50 English China Are you sure you to set country Germany LV Deutsch China Francais Germany MV India Italiano Espanol...
安装说明 LCD 显示画面及操作 5.11. LCD 显示画面及操作 于首页按 EXIT 键即进入选单(图 5-28)。E-Today 即首页, 其余每一选项的内容及 操作详述于此章节 Menu 21. Jun 2010 13:50 E-Today Power Meter Energy Log Event Log Operation Data Inverter Information Settings 图 5-28. Menu 页面 5.11.1. Home Page 逆变器正常动作时,LCD 显示画面如图 5-29,可以得知 Output Power(目前发电功 率)、Inverter Status(逆变器状态)、Today Energy(今日总发电量)、Today Runtime(今日发电时数)、Today Power Curve(今日发电曲线)、Date-Time (日期-时间)。...
安装说明 OWER ETER 5. 11 .2. Power Meter 此页面会显示输入端与输出端的电压、电流、功率…等资讯。 Power Meter – 1/2 Power Meter – 2/2 21. Jun 2010 13:50 21. Jun 2010 13:50 DC Input: AC Output: Input1 Input2 Volt. UV 270 / VW 269 / WU 271 100200 101800 Curr.
安装说明 PERATION 5. 11 .5. Operation Data 共四页, 记录逆变器工作的历史最大数据, 包括输入/出的最大电压、电流与功率;散 热片与逆变器内部最高温度。 Operation Data – 1/4 Operation Data – 2/4 21. Jun 2010 13:50 21. Jun 2010 13:50 Maximum Input1 Maximum (Vdc) Voltage Voltage (Vdc) Current 763.0 Current (kW) Power 170.0 Power (kW) 280.0...
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安装说明 ETTINGS Install Settings – 1/2 Install Settings – 2/2 21. Jun 2010 13:50 21. Jun 2010 13:50 Inverter ID 60 s Reconnection Time Insulation Ramp-up Power RCMU DC Injection Return to Factory Yes / No ] Country Germany MV Grid Settings 图...
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安装说明 ETTINGS 表 5-4: 市电设定参数 参数 功能描述 当 AC 三相电压任何一相的电压值高于此参数值时,逆变器会断开与 AC Vac High Off 的连结,随即进入待机模式。 承上,断开 AC 后,若 AC 电压回复到此参数值时,逆变器会重新连结市 Vac High On 电。 当 AC 电压触动 Vac High Off 时,控制系统会在此参数所设定的时 Vac High Off T 间内断开 AC,以保护逆变器。 当 AC 三相电压任何一相的电压值低于此参数值时,逆变器会断开与 AC 的 Vac Low Off 连结,随即进入待机模式。...
安装说明 ETTINGS 功能同于 Fac Low Off 参数,可作为第二重保护,但参数值不能低于 Fac Low Off Slow Fac Low Off 的设定值。 功能同于 Fac Low On 参数,可作为第二重保护,但参数值不能低于 Fac Low On Slow Fac Low On 的设定值。 功能同于 Fac Low Off T 参数,但时间不能短于 Fac Low Off T 所设定的 Fac Low Off Slow T 时间。...
安装说明 ETTINGS 5.11.7.4.2. Power vs. Frequency Gradient 表示单位频率限制功率的幅度。ie. –xx%/Hz. Active Power Control 21. Jun 2010 13:50 Actual/Rated Power Actual Statism 50.30 Start Frequency Stop Frequency Recovery Frequency ] Hz Statism Recovery Time ( Hz ) Mode stop recovery start 图 5-44. Power vs. Frequency setting 页面 5.11.7.4.3.
安装说明 ETTINGS 5.11.7.4.5. Constant Reactive Power 启动此功能时,逆变器将会将虚功控制在一定值。 Active/Reactive Power Reactive Power Control 21. Jun 2010 13:50 21. Jun 2010 13:50 Constant cosφ Reactive Power (Q/Sn) cosφ(P) Mode Constant Reactive Power Q(V) EXIT 图 5-47. Constant Reactive Power setting 页面 5.11.7.4.6. Q(U) 使用者也可按照实际需求微调参数。...
安装说明 ETTINGS 5.11.7.5. FRT (Fault ride through) 使用者可参考下图微调个参数。 FRT – 1/2 21. Jun 2010 13:50 Dead band - Vh Dead band - Vl K factor K factor U/Un Vdrop K factor grid/ FRT – 2/2 21. Jun 2010 13:50 100% Mode Udrop time...
故障排除 量测项目 6. 故障排除 6.1. 量测项目 量测项目的定义请参考下图 E-Today: 1175kWh Power Meter – 1/2 Power Meter – 2/2 21. Jun 2010 13:50 21. Jun 2010 13:50 21. Jun 2010 13:50 DC Input: Runtime: 8.2Hrs Power: 302.0 kW AC Output: Input1 Input2 Volt.
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故障排除 量测项目 Operation Data – 1/4 Operation Data – 2/4 21. Jun 2010 13:50 21. Jun 2010 13:50 Maximum Input1 Maximum (Vdc) Voltage Voltage (Vdc) Current 763.0 Current (kW) Power 170.0 Power (kW) 280.0 Voltage (Vdc) Current 758.0 Input2 Power 169.0 (kW) Voltage...
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故障排除 量测项目 表 6-1: 量测项目 (接上页) 项目 说明 AC Output 的功率因子 AC Output - Power Factor 累积发电量总和 Life Energy 累积运转时间总和 Life Runtime 开机至今累积 CO Total CO saved 排放节省量总和 开机至今赚取金额的总和 Total Earning 一年中发电量最多那个月的发电量 Peak Month 一年累积发电量总和 E-Year 一年累积 CO 排放节省量总和 Year CO saved 一个月中发电量最多那一天的发电量...
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故障排除 量测项目 表 6-1: 量测项目 (接上页) 项目 说明 AC 3 相最大的频率 Output Frequency Maximum 逆变器内部温度最大值 Inside Max. R 散热片温度最大值 Heatsink-R Max. S 散热片温度最大值 Heatsink-S Max. T 散热片温度最大值 Heatsink-T Max. U 散热片温度最大值 Heatsink-U Max. V 散热片温度最大值 Heatsink-V Max. W 散热片温度最大值 Heatsink-W Max. 逆变器内部温度最小值...
维修保养 更换 S URGE ROTECTION EVICE 7.4. 更换 DC 保险丝 1. 关闭所有 DC 和 AC 电源,并确认 DC 与 AC 端没有剩余电源存在。 2.松开保险丝上的螺丝,并将旧的保险丝取出。 3. 放上新的保险丝和螺丝,并将螺丝锁紧。 图 7-12. 取出保险丝 安装手册...
维修保养 更换 S URGE ROTECTION EVICE 7.5. 更换 Surge Protection Device (SPD) 一旦逆变器遭遇到电压突波(如:雷击等),SPD 将会保护逆变器而 SPD 则会损坏。 如果在逆变器屏幕上看到像”DC Surge”或是”AC Surge”的警告讯息,请遵循以下步骤来 更换 SPD。 1. 关闭所有 DC 和 AC 电源,并确认 DC 与 AC 端没有剩余电源存在。 2. 按拉且扭转把手,之后打开前门。 AC 侧 DC 侧 图 7-13. SPD 位置 3.
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维修保养 更换 S URGE ROTECTION EVICE 4. 退出已损坏的 SPD 并更换新的。 Figure 7-15. 退出已损坏的 SPD 安装手册...