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2711-B5A20L1

②、為用戶提供高質量的電能，反映電能質量的三個參數就是電壓、頻 率和波形。這三個參數必須在規定范圍內，才能保證電能的質量。穩定 電壓的關鍵是調節系統中無功功率的平衡，頻率 的變化，是整個系統有功功率的平衡問題，波形是由發電機決定的； ③、保證電力系統運行的經濟性，使發電成本最經濟。 電力系統是一個分布面廣、設備量大、信息參數多的系統，發電廠發出 電能供給用戶，必須經幾級變壓器變壓才能傳輸。

2711-B5A20L1

聯系人：郭先生
聯系電話：18971415643《優先》
座機：027-83238871
傳真：207-61537051
QQ：810334512《優先》

2711-B5A20L1

【隨機圖片】【隨機圖片】

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