PRS-7367 Protection and Control Unit
General Application
PRS-7367 provides a cost-effective protection &control solution for distribution system.The relay offers extensive protection,control,monitoring and measuring functions in one enclosed unit.The relay is suitable for the application in solidly grounded,impedance grounded, peterson coil grounded or ungrounded networks.
Feature
|
Item
|
Parameter
|
|
Performance
|
32-bit high performance dual-core processor,internal high speed bus and intelligentl/0 ports
|
|
Hardware
|
Modularized hardware design,flexibly configurable,easy extension
|
|
Interface
|
The human machine interface(HMI)with a small control module (a 320×240-dot LCD,a 16-key keypad and 18 LED indicators
|
|
Communication
|
Ethernet network,RS-485 serial ports.Communication protocol optional: IEC61850,IEC60870-5-103,DNP3.0 or ModBus.
|
|
Analog
|
Support the protocol IEC60044-8,IEC61850-9-2 and GOOSE,constantly measures and calculates voltage,current,power and frequency.
|
|
Recording
|
Fault and disturbance waves,operation reports,supervision,control operation records and time tagged sequence of event.
|
Feature
|
Description
|
IEC 60617
|
ANSI
|
CYG Code
|
|
Non-directional over current protection
|
3l>
|
51P
|
51P
|
|
Directional over current protection
|
3|>_>
|
67P
|
67P
|
|
Switch onto fault
|
SOTF
|
SOTF
|
SOTF
|
|
Circuit breaker failure protection
|
3I>/10>BF
|
50BF
|
50BF
|
|
Phase discontinuity protection
|
12/l1>
|
46PD
|
46D
|
|
Non-directional earth-fault protection
|
lo>
|
51N
|
51G
|
|
Directional earth-fault protection
|
lo>>
|
67N
|
67G
|
|
Negative sequence current protection
|
12>
|
46N
|
46N
|
|
Three-phase overvoltage protection
|
3U>
|
59
|
59
|
|
Positive sequence overvoltage protection
|
U1>
|
47
|
59P
|
|
Residual overvoltage protection
|
Uo>
|
59G
|
59G
|
|
Negative sequence overvoltage protection
|
U2>
|
47
|
59N
|
|
Positive sequence unde voltage protection
|
U1<
|
47
|
27P
|
|
Overfrequency protection
|
f>
|
81
|
810
|
|
Underfrequency protection
|
f<
|
81
|
81URS
|
|
Underfrequency restore protection
|
|
|
81URE
|
|
Frequency gradient protection
|
Df/dt<>
|
81
|
81R
|
|
Three-phase thermal overload protection
|
3lth>
|
49
|
49F
|
|
Auto-recloser
|
0->1
|
79
|
79
|
|
Synchro check
|
SYNC
|
25
|
25SYN
|
|
Three phase under voltage protection of capacitor
|
3U<
|
27
|
CUB_27
|
|
Reverse power protection
|
P or Q>
|
32R/320
|
32R
|
|
Fault locator
|
FLOC
|
21FL
|
21FL
|
|
Mechanical protection
|
|
|
MP
|
|
Backup power automatic switch
|
/
|
/
|
BPAS
|
|
Watt metric sensitive earth fault
|
/
|
/
|
SEF
|
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