Implement Goodwe export limit control

longzheng · Dec 13, 2024 · 23e274c · 23e274c
1 parent 1b82a72
commit 23e274c
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Showing 2 changed files with 25 additions and 4 deletions.
diff --git a/src/coordinator/helpers/inverterController.ts b/src/coordinator/helpers/inverterController.ts
@@ -55,6 +55,7 @@ export type InverterConfiguration =
     | { type: 'disconnect' }
     | {
           type: 'limit';
+          exportLimitWatts: number;
           invertersCount: number;
           targetSolarWatts: number;
           targetSolarPowerRatio: number;
@@ -355,6 +356,7 @@ export class InverterController {
 
                     return {
                         type: 'limit',
+                        exportLimitWatts: configuration.exportLimitWatts,
                         invertersCount: configuration.invertersCount,
                         targetSolarWatts: rampedTargetSolarWatts,
                         targetSolarPowerRatio: rampedTargetSolarPowerRatio,
@@ -458,6 +460,7 @@ export function calculateInverterConfiguration({
 
     return {
         type: 'limit',
+        exportLimitWatts,
         invertersCount: maxInvertersCount,
         targetSolarWatts,
         targetSolarPowerRatio: roundToDecimals(targetSolarPowerRatio, 4),

diff --git a/src/inverter/goodwe/et.ts b/src/inverter/goodwe/et.ts
@@ -86,12 +86,30 @@ export class GoodweEtInverterDataPoller extends InverterDataPollerBase {
         this.connection.onDestroy();
     }
 
-    // eslint-disable-next-line @typescript-eslint/require-await
     override async onControl(
-        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-        _inverterConfiguration: InverterConfiguration,
+        inverterConfiguration: InverterConfiguration,
     ): Promise<void> {
-        throw new Error('Method not implemented.');
+        switch (inverterConfiguration.type) {
+            case 'disconnect':
+                throw new Error('Disconnect not supported');
+            case 'limit': {
+                const deviceParameters =
+                    await this.connection.getDeviceParameters();
+
+                const exportLimitPercentageOfRatedPower = Math.min(
+                    inverterConfiguration.exportLimitWatts /
+                        deviceParameters.RatePower,
+                    1,
+                );
+
+                await this.connection.setMeterControl({
+                    FeedPowerEnable: true,
+                    FeedPowerPara: Math.floor(
+                        exportLimitPercentageOfRatedPower * 10000,
+                    ),
+                });
+            }
+        }
     }
 }