protectionrelaycode

2012年3月22日—Protectiverelaysarecommonlyreferredtobystandarddevicenumbers.Forexample,atimeovercurrentrelayisdesignateda51device,whilean ...,ANSIDEVICENUMBERSFORPROTECTIVERELAYS...StandardC37.2)denotewhatfeaturesaprotectivedevicesupports(suchasarelayorcircuitbreaker)....schematic ...,51LR-ACInverseTimeOvercurrent(LockedRotor)ProtectionRelay;51N-NeutralTimeOvercurrent;51P-PhaseTimeOvercurrent;5...

參考資訊如下
ANSI (IEEE) Protective Device Numbering

2012年3月22日 — Protective relays are commonly referred to by standard device numbers. For example, a time overcurrent relay is designated a 51 device, while an ...

Ansi Code For Protective Relay

ANSI DEVICE NUMBERS FOR PROTECTIVE RELAYS ... Standard C37.2) denote what features a protective device supports (such as a relay or circuit breaker). ... schematic ...

ANSI device numbers

51LR - AC Inverse Time Overcurrent (Locked Rotor) Protection Relay; 51N - Neutral Time Overcurrent; 51P - Phase Time Overcurrent; 51R - Locked / Stalled Rotor ...

ANSI Standard Device Numbers & Common Acronyms

Phase Angle Measuring or Out-of-Step Protective Relay. 78V. Loss of Mains. 79. Ac Reclosing Relay / Auto Reclose. 80. Liquid or Gas Flow Relay. 81. Frequency ...

ANSIIEEE Standard Device Numbers

87 - Differential Protective Relay. 89 - Line Switch. 90 - Regulating Device. 91 - Voltage Directional Relay. 92 - Voltage and Power Directional Relay. 94 ...

Instantaneous and Time

In protective relay-based systems, the time overcurrent protection function is designated by the ANSI/IEEE number code 51. Time overcurrent protection allows ...

Protection and Control Device Numbers and Functions

87. Differential protective relay. A protective relay that functions on a ... Find the Direct Dial Code for your product. Use the code to route your call ...

Protection Relay

2011年2月22日 — These types of devices protect electrical systems and components from damage when an unwanted event occurs, such as an electrical fault. ANSI ...

Protection Relay Code Short Name

Protection Relay Code / Short Name · 21/21N = Distance Relay Phase & Ground · 21BU = Backup Distance Relay · 24L = Overexcitation Relay (Overfluxing Relay) · 25 ...