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The power behind competitiveness Grid-tie Transformerless Solar Inverter RPI H3A/H4A/H5A Operation and Installation Manual English 简体中文 繁體中文 www.deltaww.com...
1 General Information 1.1 Scope of delivery Congratulations on the purchase of your Delta RPI H3A / H4A / H5A grid-tied solar inverter. This manual assists you in becoming familiar with this product. Please observe all safety regulations and take into account technical connection conditions required at your local grid utility.
PV Array into single-phase AC output power to Grid. PV Array Solar Inverter Electrical Grid Figure 1-1: Solar system operation illustration 1.6 Additional Information For more detailed information for RPI H3A/ H4A/ H5A or other related product information, please visit : http://www.deltaww.com.
Installation and Wiring 2 Installation and Wiring 2.1 Instruction before Installation Due to the variety of users and installation environments, it is recommended to read this manual thoroughly before installation. Installation of the unit and start-up procedures must be carried out by accredited technicians. 2.2 Unpacking Unpacking process is shown as Figure 2-1.
Please check the model number and the serial number on the packaging is identical with the model number and serial number on the unit itself. Check if all the accessories are in the package, the standard accessories are list as Table 2-1: RPI H3A / H4A /H5A Object Description...
Installation and Wiring 2.4 Identification Label Users can identify the model number by the information on the product label. The model number, serial number and other specifications can be located on the product label. For label location, please refer to Figure 2-2. Figure 2-2: The identification label...
The Inverter’s exterior is shown in Figure 3-2. The description for individual objects can be found in sections 3.2.1 and 3.2.2. DC switch connector connector Comm. connector Label Grounding contact (Noted : Delta recommend the grounding of the inverter housing) Figure 3-2: Inverter exterior objects...
Product Overview 3.2.1 LCD Display and Buttons Figure 3-3: LCD display and buttons 3.2.2 Inverter Input/Output Interface DC switch connector contact Communication connector RS-485 Figure 3-4: Input/output interface NOTE The DC switch is only presented in the -120 models. Model series -020 does not have the DC switch.
Installation 4 Installation 4.1 Installation Location WARNING ! Do not install the unit near or on flammable surfaces. Please mount the unit tightly on a solid/smooth surface CAUTION ! The unit should not be installed in direct sunlight. 4.2 Mounting This unit is designed to be wall-mounted.
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Installation Figure 4-1: Attaching the mounting bracket for RPI H3A / H4A / H5A Figure 4-2: Correct and incorrect installation illustration...
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Installation CAUTION ! • The bracket supplied with the unit is specially designed and should be the only mounting device used for the unit. • It is recommended to install the inverter in a suitable location which offers easy and safe access for service and maintenance. • Please leave an appropriate gap in between units when installing multiple solar inverter systems.
2. When grounding the solar array, an isolation transformer is required due to the RPI H3A / H4A /H5A not having galvanic isolation between the DC-input and AC-output. 3. The ground fault detection is a fixed internal setting. It cannot be modified.
Wiring PV Array Distribution box (Plus-GND or Minus-GND) Must install a transformer Isolated transformer Utility Inverter 1Ph, 1Ph, 230Vac 230Vac Figure 5-2: Connection of a system for solar array grounding WARNING! SHOCK HAZARD Whenever a PV array is exposed to sunlight, a shock hazard may exist due to output wires or exposed terminals.
on the PV array is OFF. CAUTION ! The maximum open circuit voltage of the PV Array must not exceed 600Vdc. The maximum recommended input power to the inverter is: Type of limit RPI H3A RPI H4A RPI H5A Total input power 3200W...
Minus coupler 32.0017P0001-UR Table 5-3: Order Numbers for MC4 connectors Current Rating Wire size DC 10 A (RPI H3A) DC 12 A(RPI H4A / H5A) 2-3mm / 14 AWG Table 5-4: Minimum cable size DC wiring polarities are divided into Plus and Minus, which are shown in Figure 5-4.
Wiring Terminal resistor switch Figure 5-5: Communication module 5.4.1 RS-485 Connection The pin definition of RS-485 shown in Table 5-5 and protocol settings are listed in Table 5-6. Installer must switch the terminal resistor switch to ON when only a single inverter is installed.
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Wiring Terminal resistor switch Terminal resistor switch RS485/USB RS485/RS232 Figure 5-6: Multi-inverter connection illustration RS-485 Data format Baud rate 9600 / 19200 Data bit Stop bit Parity Table 5-6: RS-485 data format...
Active/Reactive Power Control and LVRT (Optional) 6 Active/Reactive Power Control and LVRT (Optional) There are 2 settings for active power and 4 settings for reactive power control that can be configured based on the requirement of the local network operator. 6.1 Active Power Control 6.1.1 Power Limit Users can reduce inverter output power by set percentage of actual or rated power.
Active/Reactive Power Control and LVRT (Optional) Gradient 40% Pm/Hz Fstart(50,2Hz) Power vs. frequency curve for VDE-AR-N 4105 Pimax Gradient 83.3% Pimax/Hz Fstart(50,3Hz) Power vs. frequency curve for CEI-021 Figure 6-1: Power vs. frequency characteristic 6.2 Reactive Power Control 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 an active factor at the network connection point of the range below: • cos φ...
Active/Reactive Power Control and LVRT (Optional) The setting value is either: • fixed power factor cosφ (VDE-AR-N 4105 ,CEI 0-21) • displacement factor/active power characteristic curve cosφ(p) (VDE-AR-N 4105 ,CEI 0-21) • fixed reactive power in Var.(CEI 0-21) • reactive power/voltage characteristic Q(U). (CEI 0-21) 6.2.1 Fixed Power Factor cosφ...
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Active/Reactive Power Control and LVRT (Optional) Qmax(48.4%) Qmin(48.4%) Q/Sn Type A Q/Sn Type B Figure 6-3: Q(U) characteristic...
Active/Reactive Power Control and LVRT (Optional) 6.3 Low Voltage Ride Through (LVRT) According to CEI 0-21, 8.5.1 To avoid undue separation from the network if voltage dips occur, a generation system with over 6 kW total power must be able to comply with certain functional requirements, which are known as LVRT (Low Voltage Ride Through) in international literature.
Turn PV inverter on/off 7 Turn PV inverter on/off WARNING:BURN HAZARD! The internal temperature may exceed over 70°C while operating. To avoid injury, do not touch the surface of the inverter whilst the unit is in operation. After installation, please ensure the AC, the DC and communication connection are correct.
Turn PV inverter on/off 7.2 Inverter Setting 7.2.1 Country Setting Upon first start-up of the device, Country selection is required. 1. In the country setting page, press “SEL” button (NEXT) to select your country, press “ENT” button to confirm this page. 2.
Turn PV inverter on/off 7.2.3 Inverter ID Setting 1. Turn on DC power and wait for the LCD display, then press “Select” button until “ Inverter ID: XX" is shown in the LCD. 2. Press and hold both buttons (“Enter” first, then “Select”) entering setting ID screen, then release both buttons and set ID by pressing “Select”...
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Turn PV inverter on/off Output 3600 W PAGE 1 Today 7200 Wh Utility PAGE 2 225 V 60 . 00 Hz Output Current PAGE 3 16 . 0 A DC 1 : 320 V DC 2 : 320 V PAGE 4 5 .
Turn PV inverter on/off Page1 Today output energy Page2 Grid voltage and frequency Page3 Output current Page4 Input voltage, current and power Page5 Today input energy Page6 Total output energy Page7 Total input energy Page8 Start page Page9 Firmware version Page10 Event list Page11 Inverter ID Page12 Country Page13 Language Page14 Insulation / Grounding option Page15 PF Control Page16 Baud Rate...
Enter BELGIUM BELGIUM Next Enter XXXXXX XXXXXX Next Enter Country is Default Language Figure 7-5: Country selection RPI H3A/ H4A/ H5A Italy LV_LVRT Australia AU/NZ PL4K6 Italy LV_SPI AU/NZ PL4K99 Netherlands AU/NZ PL2K49 Spain RD661 AU/NZ PL2K99 Spain RD1699 Austria...
Enter Italia Italia Next Enter France France Next Enter Español Español Next Enter Deutschland Deutschland Next Enter Language is default Insulation Mode XXXXXX Figure 7-6: Language selection RPI H3A/ H4A/ H5A English Italiano Français Español Deutsch Table 7-2: Language list...
Turn PV inverter on/off 7.3.4 Insulation Mode Insulation Mode XXX maybe Normal, Negative, Disable, Positive (SEL and ENT are pressed simultaneously > 30 sec) Normal Normal Next Enter Negative Negative Next Enter Disable Disable Next Enter Positive Positive Next Enter PF Control XXXX Figure 7-7: Insulation mode...
Low(FL). The user can choose the selection of Uac High, Uac Low, Fac High, or Fac Low separately. The final testing result will be shown on the operating menu and saved where the user can view the results. If the Italy Self-test fail’s, the inverter will not operate. Please contact Delta or your supplier.
Maintenance 8 Maintenance In order to ensure normal operation of the inverter, please check the unit regularly. Check that all terminals, screws and cables are connected and appeared as they did upon installation. If there are any impaired or loose parts, please contact your solar installer. Ensure that there are no foreign objects in the path of the heat outlet and keep the unit and its surroundings clean and tidy.
Measurement, Error Message and Trouble Shooting 9 Measurement, Error Message and Trouble Shooting 9.1 Measurement Output 3600W Utility Today 7200Wh 225V 60.00Hz Output Current DC: 320V 16.0A 5.9A 1894W Today DC AC Life Energy 3600 Wh 1234 kWh DC Life Energy 617 kWh Measurement Meaning...
Measurement, Error Message and Trouble Shooting 9.2 Error Message & Trouble Shooting ERROR Message Possible cause Action 1. Check the utility frequency on 1. Actual utility frequency is the inverter terminal E01: Grid Freq. higher than the OFR setting 2. Check country setting Over Rating 2.
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Measurement, Error Message and Trouble Shooting ERROR Message Possible cause Action 1. Check the utility voltage on the 1. Actual utility voltage is under inverter terminal E28: Slow Under the UVR setting 2. Check country & Grid setting Voltage Range 2.
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Measurement, Error Message and Trouble Shooting FAULT Message Possible cause Action 1. Check the utility waveform. Grid connection of inverter need F01: DC Offset 1. Utility waveform is abnormal to be away from non-linear load Over Rating 2. Detection circuit malfunction if necessary 2.
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Measurement, Error Message and Trouble Shooting FAULT Message Possible cause Action 1. Check the accuracy of current F20: Efficiency 1. The calibration is incorrect and power Inconsistent 2. Current feedback circuit is defective 2. Check the current feedback circuit inside the inverter 1.
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Measurement, Error Message and Trouble Shooting FAULT Message Possible cause Action 1. N/A 2. Check the driver circuit in inverter 1. Surge occurs during operation stage F36:Output Curr 2. Driver for inverter stage is defective 3. Check all switching devices in 3.
De-Commissioning 10 De-Commissioning De-Commissioning Procedure: If necessary to put the device out of operation for maintenance and/or storage, please follow the instructions below. WARNING ! To avoid injuries, please follow the procedures • Switch off AC circuit breaker to disconnect from electricity grid. • Switch off the PV Array switch to disconnect from PV Array.
Technical Data 11 Technical Data 11.1 Specifications Model RPI H3A RPI H4A RPI H5A GENERAL Enclosure Powder-coated aluminium Operating temperature -25~60°C, full power up to 40°C Operating Altitude 2000m Relative humidity 0% – 95% non-condensing. Environmental category Outdoor, wet locations...
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Technical Data Model RPI H3A RPI H4A RPI H5A AC OUTPUT (Grid side) Nominal output power 3000VA(#1) 4000VA 5000VA(#2) Maximum power 3000VA 4000VA 5000VA Voltage 230Vac -20%~+22% Nominal output current 17.3A 21.7A Max. output current 13.9A 18.2A 23.2A Maximum output fault...
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Technical Data Model RPI H3A RPI H4A RPI H5A REGULATIONS & DIRECTIVES IEC 62109-1 / -2 Safety AS 3100 CE compliance VDE V 0126-1-1 VDE V 0126-1-1 AS4777 (#4) AS4777 (#4) C10/C11 2012 C10/C11 2012 EN50438:2013 EN50438:2013 Grid interface UTE-C-15-712-1...
Appendix A Appendix A Multi-function Relay The Inverter supports one multi-function relay, the multi-function relay is available to external devices. External devices can be: flashing lights, Buzzer Etc. the multi-function relay allows following configuration: • Fault indicator or Grid status indicator • Power production • Control of external loads • Fan control...
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Appendix B Appendix B Digital Input To implement power management, the digital input interface receives the specifications of the network operator via a ripple control receiver. • Germany : The active power limitation in the stages 0%, 30%, 60% and 100% • Italy ...
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Appendix B Function Digital input 1 Digital input 2 Digital input 3 Digital input 4 Digital input 5 Output Country =Italy LV/SPI Function Output No function Remote off Narrow frequency limit. #1: Relay is closed, 0: Relay is open. Country = Germany Function Output No function...
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The power behind competitiveness 单相并网型逆变器 RPI H3A/H4A/H5A 操作手冊 English 简体中文 繁體中文 www.deltaww.com...
RPI H4A 5 kVA RPI H5A 6.25 kVA 表5-1 : 前端电路保护 配线时请参考表5-2,使用合适的导线 额定电流 导线规格 力矩 >20A (RPI H3A) >25A (RPI H4A) 3-4mm / 12 AWG 0.8~1Nm >30A (RPI H5A) 表5-2 : AC导线规格 1 : L 2 : N : PE Section drawing 图5-3 : AC插头图解(C01620E0028001, AMPHENOL CORP)
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配 线 5.3 DC连接 (从太阳能板) 警 告 ! • 在DC配线时请选择适当布线连结至正确极性。 • 在DC配线时请确认太阳能板的开关已关闭。 注 意! 太阳能板的最大开路电压不能超过600Vdc。 太阳能板输入功率建议值为 Type of limit RPI H3A RPI H4A RPI H5A Total input power 3200W 4320W 5280W Per MPP tracker* 3200W 3200W 3500W *with unbalanced input power NOTE The device installed between the PV Array and inverter must meet the rating of voltage higher than this device’s maximum input voltage.
逆变器的开启与关闭 7.2.3 选择逆变器ID 1. 开启DC输入电源,待数秒后LCD 显示屏幕开启,在“Inverter ID: XX"显示后按下 “SEL”按键。 2. 长按“ENT”及“SEL”(先按“ENT”不放再同时按“SEL”)两按键直到进入ID 选择 页面,放开两按键,按“SEL”键选择ID(1 ~ 254)后,按下“ENT”键确认ID 已选择。 3. 逆变器 ID 已成功选择并储存。 Inverter (SEL and ENT are pressedsimultaneously > 3 sec) XX is current ID Setting ID ID = XX + 1 ? Setting ID = XX Setting ID...
逆变器的开启与关闭 Output 3600 W PAGE 1 Today 7200 Wh Utility PAGE 2 225 V 60 . 00 Hz Output Current PAGE 3 16 . 0 A DC 1 : 320 V DC 2 : 320 V PAGE 4 5 . 9 A 1894 W 5 .
Enter BELGIUM BELGIUM Next Enter XXXXXX XXXXXX Next Enter Country is Default Language 图7-5 : 国别选择 RPI H3A/ H4A/ H5A Italy LV_LVRT Australia AU/NZ PL4K6 Italy LV_SPI AU/NZ PL4K99 Netherlands AU/NZ PL2K49 Spain RD661 AU/NZ PL2K99 Spain RD1699 Austria Switzerland...
English Next Enter Italia Italia Next Enter France France Next Enter Español Español Next Enter Deutschland Deutschland Next Enter Language is default Insulation Mode XXXXXX 图7-6 : 语言选择 RPI H3A/ H4A/ H5A English Italiano Français Español Deutsch 表7-2 : 语言...
逆变器的开启与关闭 7.3.4 绝缘模式 Insulation Mode XXX maybe Normal, Negative, Disable, Positive (SEL and ENT are pressed simultaneously > 30 sec) Normal Normal Next Enter Negative Negative Next Enter Disable Disable Next Enter Positive Positive Next Enter PF Control XXXX 图7-7 : 绝缘模式 7.3.5 虛功控制...
逆变器的开启与关闭 7.3.8 设定页面 可以设定的项目包含WiFi、Ethernet IP address和WiFi IP address。 Settings Enter Next Enter Wireless On - Install On - Install Next Enter On - Custom On - Custom Ethernet Address Next Enter XXX . XXX . XXX . XXX Exit N / Y Wireless Address XXX .
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技术数据 11 技术数据 11.1 规 格 Model RPI H3A RPI H4A RPI H5A GENERAL Enclosure Powder-coated aluminium Operating temperature -25~60°C, full power up to 40°C Operating Altitude 2000m Relative humidity 0% – 95% non-condensing. Environmental category Outdoor, wet locations Galvanic isolation...
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技术数据 Model RPI H3A RPI H4A RPI H5A AC OUTPUT (Grid side) Nominal output power 3000VA(#1) 4000VA 5000VA(#2) Maximum power 3000VA 4000VA 5000VA Voltage 230Vac -20%~+22% Nominal output current 17.3A 21.7A Max. output current 13.9A 18.2A 23.2A Maximum output fault...
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技术数据 Model RPI H3A RPI H4A RPI H5A REGULATIONS & DIRECTIVES IEC 62109-1 / -2 Safety AS 3100 CE compliance VDE V 0126-1-1 VDE V 0126-1-1 AS4777 (#4) AS4777 (#4) C10/C11 2012 C10/C11 2012 EN50438:2013 EN50438:2013 Grid interface UTE-C-15-712-1 UTE-C-15-712-1...
附 录 B 附 录 B 数 位 输 入 要达成功率控制的目的,数字输入接口会经由一个涟波控制接收器接收电厂发出的讯息,在不 同国家有不同的控制内容。 德国 : 实功控制分成四个阶层 0%, 30%, 60% and 100% 意大利 : 太阳能板安装的功率输出最大6KW a. 远程控制关机 b. 窄频率跳脱点在49.5 Hz到50.5Hz之间 澳洲与纽西兰: 逆变器支援需求响应模式(DRMs). DRM 0 - 断开装置 DRM 5 - 不发电 DRM 6 - 输出功率小于总功率之50% DRM 7 - 输出功率小于总功率之75%。并允许虚功控制...
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附 录 B Function Digital input 1 Digital input 2 Digital input 3 Digital input 4 Digital input 5 Output Country =Italy LV/SPI Function Output No function Remote off Narrow frequency limit. 批注: 1表示继电器关闭;0表示继电器打开。 Country = Germany Function Output No function Active power = Active power = 30%.
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The power behind competitiveness 單相並網型逆變器 RPI H3A/H4A/H5A 操作手冊 English 简体中文 繁體中文 www.deltaww.com...
逆變器的開啟與關閉 7.2.3 選擇逆變器ID 1. 開啟DC輸入電源,待數秒後LCD 顯示幕幕開啟,在“Inverter ID: XX"顯示後按下 “SEL”按鍵。 2. 長按“ENT”及“SEL”(先按“ENT”不放再同時按“SEL”)兩按鍵直到進入ID 選擇 頁面,放開兩按鍵,按“SEL”鍵選擇ID(1 ~ 254)後,按下“ENT”鍵確認ID 已選擇。 3. 逆變器 ID 已成功選擇並儲存。 Inverter (SEL and ENT are pressedsimultaneously > 3 sec) XX is current ID Setting ID ID = XX + 1 ? Setting ID = XX Setting ID...
逆變器的開啟與關閉 Output 3600 W PAGE 1 Today 7200 Wh Utility PAGE 2 225 V 60 . 00 Hz Output Current PAGE 3 16 . 0 A DC 1 : 320 V DC 2 : 320 V PAGE 4 5 . 9 A 1894 W 5 .
Enter BELGIUM BELGIUM Next Enter XXXXXX XXXXXX Next Enter Country is Default Language 圖7-5 : 國別選擇 RPI H3A/ H4A/ H5A Italy LV_LVRT Australia AU/NZ PL4K6 Italy LV_SPI AU/NZ PL4K99 Netherlands AU/NZ PL2K49 Spain RD661 AU/NZ PL2K99 Spain RD1699 Austria Switzerland...
English Next Enter Italia Italia Next Enter France France Next Enter Español Español Next Enter Deutschland Deutschland Next Enter Language is default Insulation Mode XXXXXX 圖7-6 : 語言選擇 RPI H3A/ H4A/ H5A English Italiano Français Español Deutsch 表7-2 : 語言...
逆變器的開啟與關閉 7.3.4 絕緣模式 Insulation Mode XXX maybe Normal, Negative, Disable, Positive (SEL and ENT are pressed simultaneously > 30 sec) Normal Normal Next Enter Negative Negative Next Enter Disable Disable Next Enter Positive Positive Next Enter PF Control XXXX 圖7-7 : 絕緣模式 7.3.5 虛功控制...
逆變器的開啟與關閉 7.3.8 設定頁面 可以設定的項目包含WiFi、Ethernet IP address和WiFi IP address。 Settings Enter Next Enter Wireless On - Install On - Install Next Enter On - Custom On - Custom Ethernet Address Next Enter XXX . XXX . XXX . XXX Exit N / Y Wireless Address XXX .
技術資料 11 技術資料 11.1 規 格 Model RPI H3A RPI H4A RPI H5A GENERAL Enclosure Powder-coated aluminium Operating temperature -25~60°C, full power up to 40°C Operating Altitude 2000m Relative humidity 0% – 95% non-condensing. Environmental category Outdoor, wet locations Galvanic isolation...
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技術資料 Model RPI H3A RPI H4A RPI H5A AC OUTPUT (Grid side) Nominal output power 3000VA(#1) 4000VA 5000VA(#2) Maximum power 3000VA 4000VA 5000VA Voltage 230Vac -20%~+22% Nominal output current 17.3A 21.7A Max. output current 13.9A 18.2A 23.2A Maximum output fault...
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技術資料 Model RPI H3A RPI H4A RPI H5A REGULATIONS & DIRECTIVES IEC 62109-1 / -2 Safety AS 3100 CE compliance VDE V 0126-1-1 VDE V 0126-1-1 AS4777 (#4) AS4777 (#4) C10/C11 2012 C10/C11 2012 EN50438:2013 EN50438:2013 Grid interface UTE-C-15-712-1 UTE-C-15-712-1...
附 錄 B 附 錄 B 數 位 輸 入 要達成功率控制的目的,數位輸入介面會經由一個漣波控制接收器接收電廠發出的訊息,在不 同國家有不同的控制內容。 德國 : 實功控制分成四個階層 0%, 30%, 60% and 100% 義大利 : 太陽能板安裝的功率輸出最大6KW a. 遠程控制關機 b. 窄頻率跳脫點在49.5 Hz到50.5Hz之間 澳洲與紐西蘭: 逆變器支援需求響應模式(DRMs). DRM 0 - 斷開裝置 DRM 5 - 不發電 DRM 6 - 輸出功率小於總功率之50% DRM 7 - 輸出功率小於總功率之75%。並允許虛功控制...
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附 錄 B Function Digital input 1 Digital input 2 Digital input 3 Digital input 4 Digital input 5 Output Country =Italy LV/SPI Function Output No function Remote off Narrow frequency limit. 備註 : 1表示繼電器關閉;0表示繼電器打開。 Country = Germany Function Output No function Active power = Active power =...