Kode/Lambang (Simbol) Rele Proteksi Sesuai Standar ANSI danIECJanuari 3, 2011 Tinggalkan komentar Go to comments Ada banyak peralatan proteksi yang ada pada bay penghantar maupun bay trafo. Masing masing peralatan proteksi tersebut dalam rangkaian satu garis digambarkan dalam bentuk lambang / kode. Berikut adalah Kode da lambang rele Proteksi berdasarkan standar ANSI C37-2 dan IEC 60617:

Nama RelayKode ANSILambang IEC

Over Speed Relay12

Under Speed Relay14

Distance Relay21

Over Temperature Relay26

Under Voltage Relay27

Over voltage Relay59

Directional Overpower Relay32

Negative Sequence Relay46

Negative Sequence Voltage Relay47

Thermal Relay49

Instantaneous Overcurrent Relay50

Inverse TimeOvercurrent Relay51

Inverse Time Earth Fault Overcurrent Relay50G

Definite Time Earth Fault Overcurrent Relay51N

Voltage Restrained/controlled Overcurrent Relay51V

Power Factor Relay55

Neutral Point Displacement relay59

Earth fault Relay64

Directional Overcurrent Relay67

Directional EarthFault Relay67N

Phase Angle Relay78

Autoreclose Relay79

Underfrequency Relay81U

Overfrequency relay81O

Differential Relay87