From c20395fa858a7ab7274234d7c7b00ff4daf20084 Mon Sep 17 00:00:00 2001
From: 潘志宝 <979469083@qq.com>
Date: 星期一, 16 六月 2025 15:52:44 +0800
Subject: [PATCH] 电网拓扑功率导出(功率日累计)

---
 ansteel-biz/src/main/java/com/iailab/module/ansteel/common/utils/PowerUtil.java |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/ansteel-biz/src/main/java/com/iailab/module/ansteel/common/utils/PowerUtil.java b/ansteel-biz/src/main/java/com/iailab/module/ansteel/common/utils/PowerUtil.java
index 9628ee5..055323b 100644
--- a/ansteel-biz/src/main/java/com/iailab/module/ansteel/common/utils/PowerUtil.java
+++ b/ansteel-biz/src/main/java/com/iailab/module/ansteel/common/utils/PowerUtil.java
@@ -14,7 +14,11 @@
     /**
      * 计算功率因数 p /(根号:p²+Q²)
      **/
-    public static Double calculateCos(double PValue, double QValue) {
+    public static Double calculateCos(Double PValue, Double QValue) {
+        if (PValue == null || QValue == null) {
+            return null;
+        }
+
         // 绝对值
         PValue = Math.abs(PValue);
         QValue = Math.abs(QValue);

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