This video about How To wire Phase Failure Relay | PFR relay connection
A phase failure relay is an electrical device used to protect electrical equipment and systems from the potentially damaging effects of phase failure or phase loss. Phase failure occurs when one or more phases of a three-phase electrical system are lost or go out of balance. In a three-phase system, it is essential that all three phases are present and balanced to ensure the proper functioning of motors, transformers, and other electrical equipment. When one phase is lost or becomes imbalanced, it can lead to motor overheating, reduced efficiency, and potentially damage to the equipment.
A phase failure relay monitors the voltage and current in all three phases of the electrical system and triggers an alarm or a shutdown if it detects a phase failure or imbalance. This can help prevent costly downtime and equipment damage. Phase failure relays are commonly used in industrial and commercial applications where three-phase electrical systems are prevalent, such as manufacturing plants, power distribution systems, and HVAC systems.
The operation of a phase failure relay typically involves comparing the voltage and current in each phase and activating an alarm or tripping a circuit breaker when a significant deviation from the balanced condition is detected. There are various types of phase failure relays, including electronic, thermal, and solid-state relays, each with its own set of features and capabilities. The specific design and functionality of a phase failure relay may vary depending on the application and requirements.
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ආයුබෝවන් කියල පිලිගන්නවා අපේ යූටියුබ් චැන්ල් එකට
කාර්මික ශිල්පය පිලිබඳ උනන්දුවක් දක්වන ඔයලටයි මේ චැන්ල් එක.
මල්ටි ටැලන්ට් කාර්මික ශිල්පියෙක් වෙන්න අපේ වීඩියෝස් බලන්න.
විදුලි කාර්මික ශිල්පය
ශීතකරණ හා වායුසමීකරණ කාර්මික ශිල්පය
ජලනළ කාර්මික ශිල්පය
වඩු වැඩ ශිල්පය
නව නිපැයුම් නිර්මාණ
ගෘහ විදුලි උපකරණ අලුත්වැඩියා කිරීම
රෙසින් නිර්මාණ
මේ හැම අංශයකම දැනුම ගන්න අපේ චැන්ල් එක සබ්ස්ක්රයිබ් කරන්න.
මිතයාමත දුරුකර නිවැරදිව කියලදෙන එකම යූටියුබ් නාලිකාව. අදම සබ්ස්ක්රයිබ්කර අපහා එකතුවන්න.ඉදිරියේදී
නිවාස වයරින්,කර්මාන්තශාලා වයරින්,පැනල් බෝර්ඩ් වයරින්හා නවතම එකතුවෙන තාක්ශනයත් සමග වෙනස්වන උපාංග හා සම්මත රෙගුලාසි අනුව ලෙක්ට්රිකල් වැඩ කරනා ආකාරය සරලව ඉගෙනගමු.
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