Terasaki 2013 Email Version.pdf - ACDC Dynamics

Protection
Characteristics
Protection
Relay
Standard Protection Relays
OCR SPECIFICATIONS
Standard
Protection
Ground Fault
N-Phase
Functions
Indication & Monitoring
Long Short Instantaneous Un-Restricted Restricted N-Phase Contact Indication Monitoring
Energy
LT ST INST MCR UREF REF NP Single Individual Ammeter Analyser
Dial Type
For General Feeder Circuits
AGR-11BL-AL
AGR-11BL-GL
• • - - -
• •
-
• -
• • - - - -
• • - - - -
Standard LCD Type
For General Feeder Circuits
AGR-21BL-PS
AGR-21BL-PG
• •
• •
• - - • -
• •
• •
-
• •
• •
- -
- -
SpecialisedProtection Relays
Standard LCD Type
For For General Generator Feeder Protection Circuits For General IEC 60255-3 Feeder Circuits
AGR-21BR-PS
AGR-21BR-PG
AGR-21BR-PS
AGR-21BR-PR
• • •
• • • •
• • •
• • •
- -
-
-
•
- -
- -
•
•
-
-
-
-
• •
• •
• •
• •
- -
- -
- -
-
•
Enhanced LCD Type
For General IEC 60255-3 Feeder Circuits
For General Feeder Circuits
AGR-31BL-PS
AGR-31BL-PG
AGR-31BR-PS
AGR-31BR-PG
• • •
• • • •
• • •
-
• • • •
-
- -
•
• •
•
• •
-
-
-
-
• -
• -
• -
• -
• •
• •
• •
• •
For Generator Protection
AGR-31BS-PS
AGR-31BS-PR
• • •
• • •
-
-
-
-
-
-
-
-
• -
• -
• •
• •
20
KEY :
• : Available as standard
• : Available as option
― : Not available
1 : Standard Inverse, Very Inverse, Extremely Inverse
Curves.
2 : Only one function can be selected from OH, NS,
3
4
REF or trip Indication. Selection of two or more
functions involves manual connection of their control
circuits (special specification). Contact Terasaki for details.
: Only one function can be selected from PTA2, UV or
spring charge indication. Selection of two or more
functions involves manual connection of their control
circuits (special specifications). Contact Terasaki for details.
: Not available if CT rated primary current [/ CT
] is 200A or less.
TS
5
6
: Available up to 3,200A rated current [/ n
].
: Over AC 250V, a step down VT is required.
Note: When a protection function of ARG-11B
OCRs with single contact indication is activated,
the corresponding operation LED indicator is ON
momentarily or OFF. But the LED indicator is kept
ON when the protection function is checked with the
optional OCR checker.