END TO END TEST

END TO END TEST

1.The sending and receiving of datas from one end to other end is very importent in line protection
2.The Protection Signalling Equipment (PSE) is used in between both end protection panels.
3. Four main tripping signals are send and receive a) Distance protection b) Directional Earth Fault(DEF) c) Pole descripency second stage d) Breaker Failure second stage

FOIP CONNECTIONS

Line diffrential protection
Relay to FOIP panel and FOIP to communication panel connection Drawing

FIBER OPTIC CABLES

FIBER OPTIC CABLES USED FOR LINE DIFFERENTIAL AND DRP PANEL

MAKE: OPTOKON CO . LTD

MULTIDUPLEX

J-V (ZN) H 2G 62.5/125 BLUE (2.8 mm) (850 nM)

PATCH CORD TERMINATION

BELTEN CABLE

9271 2 CONDUCTOR, 124 OHM , TWINAXIAL CABEL

25 AWG (0.16 SQ MM)

Line Protection

TYPES OF LINE PROTECTION

BASIC

PARAMETERS

SHCMES OF LP

RELAYS

TEST FORMATS