KR20190000272A - 직류 전력 케이블 - Google Patents
직류 전력 케이블 Download PDFInfo
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Abstract
Description
도 2는 본 발명에 따른 전력 케이블의 다른 실시예에 관한 단면 구조를 개략적으로 도시한 것이다.
도 3은 실시예에서 절연 시편의 온도에 따른 체적저항률을 나타내는 그래프이다.
도 4는 실시예에서 절연+반도전 시편에 대한 FT-IR 평가 결과를 도시한 것이다.
도 5는 실시예에서 절연+반도전 시편에 대한 PEA 평가 결과를 도시한 것이다.
절연 조성물 A | 절연 조성물 B | |
기재 수지 | 100 | 100 |
무기입자 | 1 | 0 |
가교제 | 2 | 2 |
산화방지제 | 0.4 | 0.4 |
내부 반도전층 | 절연층 | 외부 반도전층 | |
모델 케이블 A | 반도전 조성물(SC-a) | 절연 조성물 A | 반도전 조성물(SC-a) |
모델 케이블 B | 반도전 조성물(SC-b) | 절연 조성물 A | 반도전 조성물(SC-b) |
모델 케이블 C | 반도전 조성물(SC-a) | 절연 조성물 B | 반도전 조성물(SC-a) |
모델 케이블 D | 반도전 조성물(SC-b) | 절연 조성물 B | 반도전 조성물(SC-b) |
시편(a) | 시편(c) | 시편(e) | |
5초 | 102 | 112 | 104 |
30초 | 102 | 118 | 106 |
1분 | 102 | 116 | 106 |
2분 | 102 | 118 | 110 |
3분 | 104 | 122 | 114 |
5분 | 106 | 122 | 118 |
10분 | 108 | 126 | 96 |
15분 | 106 | 128 | 120 |
20분 | 106 | 128 | 116 |
25분 | 106 | 128 | 122 |
30분 | 108 | 126 | 126 |
40분 | 106 | 132 | 126 |
50분 | 110 | 132 | 124 |
60분 | 112 | 134 | 124 |
전계왜곡도(%) | 112 | 134 | 126 |
모델 케이블 A | 모델 케이블 B | 모델 케이블 C | 모델 케이블 D | |
임펄스 파괴전압 (kV/mm) |
100 | 104.5 | 78 | 82 |
14 : 절연층 16 : 외부 반도전층
18 : 차폐층 20 : 외피
30 : 연피시스 32 : 시스
34 : 베딩층 40 : 철선외장
42 : 자켓
Claims (12)
- 직류 전력 케이블로서,
도체;
상기 도체를 감싸는 내부 반도전층;
상기 내부 반도전층을 감싸는 절연층;
상기 절연층을 감싸는 외부 반도전층; 및
상기 외부 반도전층을 감싸는 외피를 포함하고,
상기 내부 반도전층 또는 상기 외부 반도전층은 베이스 수지로서 올레핀과 극성 단량체의 공중합 수지 및 상기 수지 내에 분산된 전도성 입자를 포함하는 반도전 조성물로부터 형성되며,
상기 극성 단량체의 함량은 상기 공중합 수지의 총 중량을 기준으로 18 중량% 이하이고,
상기 절연층은 베이스 수지로서 폴리올레핀 수지 및 상기 수지 내에 분산되고 규산알루미늄, 규산칼슘, 탄산칼슘, 산화마그네슘, 카본나노튜브 및 그라파이트로 이루어진 그룹으로부터 선택된 1종 이상의 무기입자를 포함하는 절연 조성물로부터 형성되며,
상기 무기입자의 함량은 상기 절연층의 베이스 수지 100 중량부를 기준으로 0.01 내지 10 중량부이고,
아래 수학식 2로 정의되는 상기 절연층의 전계왜곡도(Field Enhancement Factor; FEF)가 100 내지 140%인 것을 특징으로 하는, 직류 전력 케이블.
[수학식 2]
FEF=(시편에서 최대로 증가된 전계/시편에 인가된 전계)*100
상기 수학식 2에서,
상기 시편은 두께가 120 ㎛이고 상기 절연층을 형성하는 절연 조성물로부터 형성된 절연 필름 및 상기 절연 필름의 상부면 및 하부면에 각각 접착되고 각각의 두께가 50 ㎛이며 상기 반도전 조성물로부터 형성된 반도전 필름을 포함하는 시편이고,
상기 시편에 인가된 전계는 상기 절연 필름에 1시간 동안 인가된 50kV/mm 직류 전계이고,
상기 시편에서 최대로 증가된 전계는 상기 절연 필름에 직류 전계가 인가되는 1시간 동안 증가된 전계값 중 최대값이다. - 제1항에 있어서,
상기 절연 조성물 또는 상기 반도전 조성물은 가교제를 추가로 포함하고,
상기 가교제의 함량은 상기 베이스 수지 100 중량부를 기준으로 0.1 내지 5 중량부인 것을 특징으로 하는, 직류 전력 케이블. - 제1항 또는 제2항에 있어서,
상기 극성 단량체는 아크릴레이트 단량체를 포함하는 것을 특징으로 하는, 직류 전력 케이블. - 제1항 또는 제2항에 있어서,
상기 무기입자는 산화마그네슘을 포함하는 것을 특징으로 하는, 직류 전력 케이블. - 제1항 또는 제2항에 있어서,
상기 무기입자는 비닐실란, 스테아린산, 올레인산 및 아미노폴리실록산으로 이루어진 그룹으로부터 선택된 1종 이상의 표면개질제에 의해 표면개질된 것을 특징으로 하는, 직류 전력 케이블. - 제1항 또는 제2항에 있어서,
상기 공중합 수지는 에틸렌 비닐 아세테이트(EVA), 에틸렌 메틸 아크릴레이트(EMA), 에틸렌 메틸 메타크릴레이트(EMMA), 에틸렌 에틸 아크릴레이트(EEA), 에틸렌 에틸 메타크릴레이트(EEMA), 에틸렌 (이소)프로필 아크릴레이트(EPA), 에틸렌 (이소)프로필 메타크릴레이트(EPMA), 에틸렌 부틸 아크릴레이트(EBA) 및 에틸렌 부틸 메타크릴레이트(EBMA)로 이루어진 그룹으로부터 선택된 1종 이상을 포함하는 것을 특징으로 하는, 직류 전력 케이블. - 제6항에 있어서,
상기 입자의 함량은 상기 베이스 수지 100 중량부를 기준으로 35 내지 70 중량부인 것을 특징으로 하는, 직류 전력 케이블. - 제2항에 있어서,
상기 가교제는 과산화물계 가교제인 것을 특징으로 하는, 직류 전력 케이블. - 제8항에 있어서,
상기 과산화물계 가교제는 디큐밀퍼옥사이드, 벤조일퍼옥사이드, 라우릴퍼옥사이드, t-부틸 큐밀퍼옥사이드, 디(t-부틸 퍼옥시 아이소프로필) 벤젠, 2,5-디메틸-2,5-디(t-부틸 퍼옥시)헥산 및 디-t-부틸 퍼옥사이드로 이루어진 그룹으로부터 선택된 1종 이상을 포함하는 것을 특징으로 하는, 직류 전력 케이블. - 제1항 또는 제2항에 있어서,
상기 절연층의 베이스 수지로서 폴리올레핀 수지는 폴리에틸렌 수지를 포함하는 것을 특징으로 하는, 직류 전력 케이블. - 제1항 또는 제2항에 있어서,
상기 절연 조성물은 2,4-디페닐-4-메틸-1-펜텐 ((2,4-diphenyl-4-methyl-1-pentene), 1,4-하이드로퀴논(1,4-hydroquinone) 및 하이드로퀴논 유도체로 이루어진 군으로부터 선택된 1종 이상을 포함하는 스코치 억제제를 포함하고, 상기 스코치 억제제의 함량은 상기 베이스 수지 100 중량부를 기준으로 0.1 내지 1.0 중량부인 것을 특징으로 하는, 전력 케이블. - 제11항에 있어서,
상기 스코치 억제제는 2,4-디페닐-4-메틸-1-펜텐을 포함하는 것을 특징으로 하는, 전력 케이블.
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EP17915096.6A EP3644327A4 (en) | 2017-06-22 | 2017-12-07 | DC POWER CABLE |
CN201780091731.3A CN110709948B (zh) | 2017-06-22 | 2017-12-07 | 直流电力电缆 |
PCT/KR2017/014344 WO2018236013A1 (ko) | 2017-06-22 | 2017-12-07 | 직류 전력 케이블 |
US16/623,700 US20200143960A1 (en) | 2017-06-22 | 2017-12-07 | Direct current power cable |
JP2019559774A JP2020518971A (ja) | 2017-06-22 | 2017-12-07 | 直流電力ケーブル |
JP2021199411A JP2022037067A (ja) | 2017-06-22 | 2021-12-08 | 直流電力ケーブル |
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EP3785281B1 (en) * | 2018-04-26 | 2023-06-07 | Prysmian S.p.A. | Flame retardant electrical cable |
CN119365525A (zh) * | 2022-06-16 | 2025-01-24 | 博里利斯股份公司 | 电缆 |
KR20240058336A (ko) | 2022-10-26 | 2024-05-03 | 한국전기연구원 | 고전압 직류케이블용 유무기 복합 절연 조성물 제조방법 및 이에 따라 제조된 고전압 직류케이블용 유무기 복합 절연 조성물 |
CN118165392B (zh) * | 2024-03-08 | 2024-12-13 | 天津大学 | 一种绝缘材料及其制备方法和应用 |
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KR20130062356A (ko) * | 2010-10-21 | 2013-06-12 | 보레알리스 아게 | 에폭시기를 함유하는 조성물로 형성된 층을 포함하는 케이블 |
JP2014218617A (ja) * | 2013-05-10 | 2014-11-20 | 株式会社ジェイ・パワーシステムズ | 樹脂組成物および直流ケーブル |
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JPH09245520A (ja) * | 1996-03-07 | 1997-09-19 | Yazaki Corp | 電力ケーブルの半導電層用組成物 |
JP4227244B2 (ja) * | 1999-04-28 | 2009-02-18 | 株式会社フジクラ | 半導電性組成物を用いた直流用絶縁ケーブル |
EP1978040B1 (en) * | 2004-09-10 | 2015-06-17 | Borealis Technology Oy | Semiconductive polymer composition |
CN101585943A (zh) * | 2009-06-18 | 2009-11-25 | 上海交通大学 | 电缆半导电屏蔽材料及其制备方法 |
EA022397B1 (ru) * | 2009-11-11 | 2015-12-30 | Бореалис Аг | Полимерная композиция, силовой кабель, включающий полимерную композицию, и способ его получения |
KR101408922B1 (ko) * | 2010-04-02 | 2014-06-17 | 엘에스전선 주식회사 | 직류용 전력 케이블용 절연 재료 조성물 및 이를 이용하여 제조된 케이블 |
CN103035336A (zh) * | 2011-09-29 | 2013-04-10 | 江苏上上电缆集团有限公司 | 一种直流电力电缆 |
JP2014072133A (ja) * | 2012-10-01 | 2014-04-21 | Viscas Corp | 直流電力ケーブル |
JP6286886B2 (ja) * | 2013-06-13 | 2018-03-07 | 住友電気工業株式会社 | 直流用ケーブル |
DK2963654T3 (en) * | 2014-06-30 | 2018-03-12 | Nexans | Field Grading Impact |
KR20180039635A (ko) * | 2015-08-10 | 2018-04-18 | 스미토모 덴키 고교 가부시키가이샤 | 직류 케이블, 조성물 및 직류 케이블의 제조 방법 |
WO2017084709A1 (en) * | 2015-11-19 | 2017-05-26 | Abb Hv Cables (Switzerland) Gmbh | Electric power cable and process for the production of electric power cable |
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2017
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KR20130062356A (ko) * | 2010-10-21 | 2013-06-12 | 보레알리스 아게 | 에폭시기를 함유하는 조성물로 형성된 층을 포함하는 케이블 |
JP2014218617A (ja) * | 2013-05-10 | 2014-11-20 | 株式会社ジェイ・パワーシステムズ | 樹脂組成物および直流ケーブル |
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CN110709948B (zh) | 2021-01-29 |
JP2020518971A (ja) | 2020-06-25 |
CN110709948A (zh) | 2020-01-17 |
JP2022037067A (ja) | 2022-03-08 |
US20200143960A1 (en) | 2020-05-07 |
KR102272724B1 (ko) | 2021-07-06 |
EP3644327A4 (en) | 2021-04-14 |
EP3644327A1 (en) | 2020-04-29 |
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