Table Of Contents - Delta RPI H3A User Manual

1 General Information ............................................................ 1
1.1 Scope of delivery ................................................................................ 1
1.2 General Warnings / Notes on Safety .................................................. 1
1.3 Validity ................................................................................................ 2
1.4 Product Description ............................................................................ 2
1.5 How it Works ...................................................................................... 3
1.6 Additional Information ........................................................................ 3
2 Installation and Wiring ........................................................ 4
2.1 Instruction before Installation ............................................................. 4
2.2 Unpacking .......................................................................................... 4
2.3 Package Inspection ............................................................................ 5
2.4 Identification Label ............................................................................. 6
3 Product Overview ................................................................ 7
3.1 Dimensions ........................................................................................ 7
3.2 Function Introduction .......................................................................... 7
3.2.1 LCD Display and Buttons ............................................................. 8
3.2.2 Inverter Input/Output Interface ..................................................... 8
4 Installation ........................................................................... 9
4.1 Installation Location ........................................................................... 9
4.2 Mounting ............................................................................................ 9
5 Wiring ................................................................................. 12
5.1 Preparation before Wiring ................................................................ 12
5.2 AC Grid Connection: L + N + PE ................................................... 13
5.2.1 Required protective devices and cable cross-sections .............. 14
5.3 DC Connection (from PV Array) ....................................................... 15
5.4 Communication Module ...................................................................... 16
5.4.1 RS-485 Connection ..................................................................... 16
6 Active/Reactive Power Control and LVRT (Optional) ..... 18
6.1 Active Power Control ........................................................................ 18
6.1.1 Power Limit ................................................................................ 18
6.1.2 Power vs. Frequency ................................................................. 18
6.2 Reactive Power Control ................................................................... 19
6.2.1 Fixed Power Factor cosφ (VDE-AR-N 4105,CEI 0-21) .............. 20
6.2.2 cosφ(P) (VDE-AR-N 4105,CEI 0-21) ......................................... 20
6.2.3 Fixed Reactive Power InVAR(CEI 0-21) .................................... 20
6.2.4 Reactive Power/ Voltage Characteristic Q(U)(CEI 0-21) ............ 20

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