7.10.4.2 Setting USB Parameters .................................................................................................................................... 162

7.10.5 Alarm Output ....................................................................................................................................................... 163

7.10.6 Remote Shutdown over Dry Contacts .................................................................................................................. 165

7.10.7 Setting DI Parameters .......................................................................................................................................... 168

7.10.8 Setting Export Limitation Parameters .................................................................................................................. 169

7.11 Maintenance ............................................................................................................................................................ 172

7.11.1 Upgrading Firmware ............................................................................................................................................ 172

7.11.2 Product Information ............................................................................................................................................. 173

7.11.3 Setting Security Parameters ................................................................................................................................. 174

7.11.4 System Maintenance ............................................................................................................................................ 175

7.11.5 Device Log ........................................................................................................................................................... 175

7.11.6 Site Test ................................................................................................................................................................ 176

7.11.7 Managing the License .......................................................................................................................................... 177

7.11.8 Device Management ............................................................................................................................................ 179

7.11.8.1 Connecting Devices .......................................................................................................................................... 179

7.11.8.2 Device List ........................................................................................................................................................ 180

7.11.8.3 Exporting Parameters ........................................................................................................................................ 180

7.11.8.4 Clearing Alarms ................................................................................................................................................ 181

7.11.8.5 Re-collecting Performance Data ....................................................................................................................... 182

7.11.8.6 Correcting the Total Energy Yield ..................................................................................................................... 183

8 Power Grid Scheduling............................................................................................................ 185

8.1 Power Adjustment Description ................................................................................................................................. 185

8.2 Active Power Adjustment ......................................................................................................................................... 187

8.2.1 Disabling Active Power Derating .......................................................................................................................... 187

8.2.2 Dry Contact Remote Control ................................................................................................................................. 188

8.2.3 Percentage Fix Limitation ...................................................................................................................................... 189

8.2.4 Remote Scheduling ................................................................................................................................................ 190

8.2.5 Remote Output Control .......................................................................................................................................... 191

8.3 Reactive Power Adjustment ...................................................................................................................................... 193

8.3.1 Disabling Reactive Power Output .......................................................................................................................... 193

8.3.2 Dry Contact Remote Control ................................................................................................................................. 193

8.3.3 Reactive Power Fix Control ................................................................................................................................... 194

8.3.4 Power Factor Fix Control ...................................................................................................................................... 195

8.3.5 Q-U Characteristic Curve ...................................................................................................................................... 196

8.3.6 cos(Phi)-P/Pn Characteristic Curve ....................................................................................................................... 197

8.3.7 Q-U Hysteresis Curve (CEI0-16)........................................................................................................................... 197

8.3.8 Remote Scheduling ................................................................................................................................................ 198

8.3.9 Power Factor Closed-loop Control ........................................................................................................................ 199

8.3.10 Distributed Power Factor Closed-Loop Control .................................................................................................. 200

9 Device Maintenance ................................................................................................................. 202

9.1 Routine Maintenance ................................................................................................................................................ 202

Issue 04 (2018-04-10)

Huawei Proprietary and Confidential

Contents

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Table of Contents