Motor Protection | Unbalance Protection Testing | and | Unbalance protection Calculation by manual
Автор: Barani Tech
Загружено: 2019-11-16
Просмотров: 8515
Описание:
🔧 Learn how to test and calculate unbalance protection for motors! In this video, we cover:
✔ What is motor unbalance protection?
✔ Step-by-step testing procedure
✔ Manual calculation of unbalance protection settings
✔ Why unbalance protection is crucial for motor safety
📌 Perfect for electrical engineers, technicians, and protection relay professionals!
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Unbalance Protection Testing and Unbalance protection Calculation by manual
Unbalance current cause by two
1.Zero sequence current
2.Negative sequence current
Formula for Zero sequence current
I0=(IL1+IL2+IL3)/3
Negative sequence current formula
I2=(IL1+𝑎^2IL2+aIL3)/3
testing for Negative sequence protection by using secondary injection kit. (46 protection testing )
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