SMA SC 500CP XT - Manual (Page 7)

10.1.8 Disturbance....................................................................................................................................................... 87
10.2 Safety Functions................................................................................................................................................ 87
10.2.1 Manual Shutdown Functions ........................................................................................................................... 87
10.2.1.1 External Fast Stop ............................................................................................................................................ 87
10.2.1.2 Remote Shutdown............................................................................................................................................ 88
10.2.2 Automatic Shutdown Functions ....................................................................................................................... 88
10.2.2.1 Grid Management Shutdown ......................................................................................................................... 88
10.2.2.2 Transformer Protection..................................................................................................................................... 88
10.2.2.3 Active Islanding Detection............................................................................................................................... 88
10.2.2.4 Passive Islanding Detection............................................................................................................................. 89
10.2.3 Grounding and Insulation Monitoring ............................................................................................................ 89
10.2.3.1 Mode of Operation ......................................................................................................................................... 89
10.2.3.2 GFDI ................................................................................................................................................................. 89
10.2.3.3 Remote GFDI.................................................................................................................................................... 90
10.2.3.4 Insulation Monitoring Device .......................................................................................................................... 91
10.2.3.5 GFDI and Insulation Monitoring Device......................................................................................................... 92
10.2.3.6 Remote GFDI and Insulation Monitoring Device ........................................................................................... 93
10.2.4 Low-Temperature Option ................................................................................................................................. 94
10.3 Power Control ................................................................................................................................................... 94
10.3.1 Frequency-Dependent Active Power Limitation .............................................................................................. 94
10.3.2 Frequency-Independent Active Power Limitation............................................................................................ 95
10.3.2.1 No Active Power Limitation: Off Mode .......................................................................................................... 95
10.3.2.2 Active Power Limitation with Setpoint Command via Modbus Protocol: WCtlCom Mode ........................ 95
10.3.2.3 Active Power Limitation with Absolute Value: WCnst Mode ........................................................................ 95
10.3.2.4 Active Power Limitation as a Percentage of Nominal Power: WCnstNom Mode ...................................... 96
10.3.2.5 Active Power Limitation via Standard Signal: WCnstNomAnIn Mode ........................................................ 96
10.3.3 Reactive Power Control ................................................................................................................................... 96
10.3.3.1 No Reactive Power Control: Off Mode ......................................................................................................... 96
10.3.3.2 Reactive Power Control with Setpoint Command via Modbus Protocol: VArCtlCom Mode...................... 96
10.3.3.3 Reactive Power Control with Setpoint Command via Modbus Protocol: PFCtlCom Mode ........................ 96
10.3.3.4 Reactive Power Control with Absolute Value: VArCnst Mode...................................................................... 96
10.3.3.5 Reactive Power Control as a Percentage of the Nominal Power: VArCnstNom Mode ............................. 96
10.3.3.6 Reactive Power Setpoint via Standard Signal: VArCnstNomAnIn Mode .................................................... 97
10.3.3.7 Reactive Power Setpoint via Displacement Power Factor cos φ: PFCnst Mode .......................................... 97
10.3.3.8 Displacement Power Factor cos φ via Standard Signal: PFCnstAnIn Mode................................................ 98
10.3.3.9 Displacement Power Factor cos φ as a Function of Feed-In Power: PFCtlW Mode.................................... 99
10.3.3.10 Reactive Power as a Function of the Grid Voltage: VArCtlVol Mode.......................................................... 99
10.3.3.11 Measures for Voltage Support through Parameterization of Reactive Power/Voltage Characteristic
Curve: VArCtlVolHystDb Mode ...................................................................................................................... 100
10.3.3.12 Measures for Voltage Support through Parameterization of Reactive Power/Voltage Characteristic
Curve: VArCtlVolHystDbA Mode ................................................................................................................... 103
10.3.4 Q at Night ........................................................................................................................................................104
10.3.4.1 No Q at Night: Off Mode .............................................................................................................................. 104
10.3.4.2 Q at Night with Operation Command via Modbus Protocol: VArCtlCom Mode....................................... 104
10.3.4.3 Q at Night with Absolute Value: VArCnst Mode .......................................................................................... 104
10.3.4.4 Q at Night as a Percentage of the Nominal Power: VArCnstNom Mode .................................................. 104
10.3.4.5 Q at Night via Standard Signal: VArCnstNomAnIn Mode .......................................................................... 104
10.3.4.6 Q at Night Depending on the Grid Voltage: VArCtlVol Mode.................................................................... 105
10.3.4.7 Measures for Voltage Support through Parameterization of Reactive Power/Voltage Characteristic
Curve: VArCtlVolHystDb Mode ...................................................................................................................... 106
10.3.4.8 Measures for Voltage Support through Parameterization of Reactive Power/Voltage Characteristic
Curve: VArCtlVolHystDbA Mode ................................................................................................................... 109
10.3.5 Behavior in the Absence of Active and Reactive Power Setpoints................................................................110
10.4 Structure of the Communication Network.......................................................................................................110
Table of Contents SMA Solar Technology AG
User Manual 7 SCCPXT-BA-E4-en-54