آموزش تست رله – آمیکرون
فیلم آموزشی به زبان فارسی بسته آموزش مقدماتی آشنایی با سخت افزار و نرم افزار آمیکرون محتویات این بسته آموزشی= آشنایی با ساختار آزمایشگاه رله و حفاظت +…
Relays for Transmission line protection
Relays for Transmission & Distribution Lines protection: No Line Protection 1 400 KV Transmission Line Main-I: Non switched or Numerical Distance Scheme Main-II: Non switched or Numerical Distance Scheme 2…
Relay ANSI Codes
Relay ANSI Codes Relay’s Nomenclature as per ANSI: No Type of Relay 2 Time delay relay 3 3 Checking or Interlocking relay 21 21 Distance relay 25 Check synchronizing relay…
Comparison of protection Relays
Comparison of Different Type Relay: Characteristic Electro Mechanical Relay Static Relay Digital Relay Numerical Relay Technology Standard 1st generation Relays. 2nd generation Relays. Present generation Relays. Present generation Relays. Operating…
Numerical Relay
Numerical Relay: History of Relay: The first protection devices based on microprocessors were employed in 1985. The widespread acceptance of numerical technology by the customer and the experiences of the…
Digital Relay
Digital Relay: History of Relay: Around 1980s the digital relay entered the market. Compared to the Solid State Relay, the digital relay takes the advantages of the development of microprocessors…
Solid State Relay – Static Relay
The Solid State Relay (Static Relay): History of Relay: The static relay are next generation relays .The Solid Static relays was first introduced in 1960’s. The term ‘static’ implies that…
Electromechanical Relay
History of Relay: This is the first generation oldest relaying system and they have been in use for many years. They have earned a well-deserved reputation for accuracy, dependability, and…
رله ی حفاظتی
رله ی حفاظتی چيست؟ رله دستگاهی است که به شرايط غير عادی سيستم قدرت الکتريکی پاسخ گفته و در اثر تغيير کميت الکتريکی يا فيزيکی مشخص شروع به کارکند. بعبارتی دیگر، رله…