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과주파수/저주파수 계전기
Model Name
GD3-H11
Series
디지털 계전기
Data
도면-경보전기-디지털계전기-과주파수/저주파수 계전기-GD3-H11
Manufacturer information
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KYONGBO ELECTRIC

Power distribution equipment manufacturer, Indicating electric meter, Instrument transformer, Power converter, Protective relay and more

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Manufacturer
KYONGBO ELECTRIC
Brand
-
SKU
135632
Product Name
과주파수/저주파수 계전기
Model Name
GD3-H11
Size
-
Weight
-
Product Details

GD3-H11(과주파수/저주파수 계전기)

본 계전기는 한전 디지털 저주파수 게전기 일반 구매 규격에 따라 설계 제작되었으며, 송전선로 보호, 분산전원 연계선로 등 과주파수, 저주파수 등에 대한 보호에 적합하게 설계 제작 된 Digital 계전기로서 3단계까지 정정이 가능하도록 되어 있으며, 선로 재폐로 등으로 인한 주파수 오동작을 방지하기 위해 오동작 방지용 UVR 요소가 내장되어 있어 계전기의 신뢰성을 확보하였습니다.

또한 계전기 Signal용 출력접점이 2a, 2b로 구성되어 Panel구성 시 별도의 보조 Relay를 사용할 필요가 없으며, 계측 기능, Event 고장 파형 기록 기능, 자기 진단 기능, SCADA 연계 통신 기능도 갖추어져 있습니다. 사고 분석과 설정 변경, 자료 취득 등이 쉽도록 HMI Program을 함께 제공합니다.

 

사양

항목 / 형식 GD3-H11
주용용도 송전선로 보호, 분산전원 연계선로 보호
제어 전원 정 격 AC/DC 110~220V (Free Voltage)
부 담 동작 시 : 70W 이하, 상시 : 30W 이하
표시장치 Character LCD (4행 X 20자)
입출력 디지털 입력 3점, AC/DC 110~220V, 5~10mA/Point
디지털 출력 Trip (1a x 3) 폐로 용량 : 16A at AC 250V, 30A at DC 125V, 저항부하
Alarm
(2a x 4, 2b x 1)
폐로 용량 : 5A at AC 250V, 5A at DC 125V, 저항부하
개로 용량 : 0.15A at AC250V, 0.3A at DC 125V COSφ=0.1, 시정수(40ms)
아날로그 입력 전압 : 2회로
전압 정 격 AC 63.5 ~ 190V
부 담 <0.5VA
Event 기록기능 1024개 저장
고장파형 저장기능 최대 6개까지 저장
통 신 프로토콜 ModBus, DNP3.0
RS-485 1 Port (후면)
RS-232C 1 Port (전면)
적용 규격 GS-5945-0016 (디지털 저주파수 계전기)
제품 크기 (W x H x D : mm) 168 X 218 X 250
중 량 ≒5kg (외함 포함)

 


 

동작특성

계전요소 동작구분 동작치 정정 동작 시간 특성
정정 범위 정정 단위 정정 범위 정정 단위 특 성
81 과주파수
(OFR1, 2, 3)
주파수 50.01~64Hz 0.01Hz 0.05~60sec 0.01sec DT
저전압 30~180V 0.1V
저주파수
(UFR1, 2, 3)
주파수 46~60Hz 0.01Hz 0.05~60sec 0.01sec DT
저전압 30~180V 0.1V

 


 

계측기능

계측범위는 2차측으로 계측 가능한 범위이며 EVT비를 입력하면 1차측 크기로 표시합니다.

계측 요소 계측 범위
전압 실효치 Voltage 0~300V
주파수 크기 Frequency 30~100.000Hz

 

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KYONGBO ELECTRIC
Power distribution equipment manufacturer, Indicating electric meter, Instrument transformer, Power converter, Protective relay and more
KYONGBO ELECTRIC is constantly striving to become a world-class power equipment company by supplying excellent quality power products to various fields that require power, including water and switchboards, power generation, transmission and transformation, shipbuilding, plants, railways and subways. Since its establishment in 1967, when the domestic power industry had a weak foundation, KYONGBO ELECTRIC has contributed to the development of the domestic power industry by steadily supplying a wide range of high-quality power products ranging from indicating electricity instruments, instrument transformers, power converters, protective relays, and leakage alarms necessary for power measurement, transformation, protection, and monitoring, and has grown into a leading company in the power equipment field. In particular, based on various know-how and technology accumulated over a long period of time, such as developing protective relays and 0.2% class power converters for the first time in Korea, we have acquired various quality certifications such as international standard quality management system (ISO9001), nuclear quality certification (KEPIC), CE certification, KS marking certification (KS C 1706, 1708, 60051-2,3,4,5), etc. However, we are not satisfied with this, and to achieve our long-term vision of becoming a "global powerhouse in the power industry," we will focus on investing available capital and resources in human resource development and technology development based on financial security, actively discovering and nurturing creative talents and conducting systematic education and training to maximize the capabilities of all employees, while striving to create customer value through the development of multi-functional and eco-friendly new products that combine advanced power technology with electronics and IT technology, and through quality and service innovation efforts. We will also strive to create an innovative corporate culture, enhance corporate value, and improve customer value by improving corporate activities, organization, and work processes more efficiently and sharing value among employees, so that the three will naturally synergize, and we will do our best to seek a path of win-win cooperation and lay the foundation for sustainable growth through support and cooperation with relevant suppliers.
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