JPH0546768B2 - - Google Patents

Info

Publication number
JPH0546768B2
JPH0546768B2 JP61122977A JP12297786A JPH0546768B2 JP H0546768 B2 JPH0546768 B2 JP H0546768B2 JP 61122977 A JP61122977 A JP 61122977A JP 12297786 A JP12297786 A JP 12297786A JP H0546768 B2 JPH0546768 B2 JP H0546768B2
Authority
JP
Japan
Prior art keywords
amount
current
vector addition
equal
reference value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP61122977A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62281719A (ja
Inventor
Toshio Anzai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP61122977A priority Critical patent/JPS62281719A/ja
Publication of JPS62281719A publication Critical patent/JPS62281719A/ja
Publication of JPH0546768B2 publication Critical patent/JPH0546768B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP61122977A 1986-05-28 1986-05-28 保護継電器 Granted JPS62281719A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61122977A JPS62281719A (ja) 1986-05-28 1986-05-28 保護継電器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61122977A JPS62281719A (ja) 1986-05-28 1986-05-28 保護継電器

Publications (2)

Publication Number Publication Date
JPS62281719A JPS62281719A (ja) 1987-12-07
JPH0546768B2 true JPH0546768B2 (enrdf_load_stackoverflow) 1993-07-14

Family

ID=14849260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61122977A Granted JPS62281719A (ja) 1986-05-28 1986-05-28 保護継電器

Country Status (1)

Country Link
JP (1) JPS62281719A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS62281719A (ja) 1987-12-07

Similar Documents

Publication Publication Date Title
US5963404A (en) Restricted earth fault protection for transformers using a directional element
US5694281A (en) Zero sequence voltage-polarized directional element for protective relays
JPH0159815B2 (enrdf_load_stackoverflow)
EP1230721A1 (en) Improved restraint-type differential relay
US4329727A (en) Directional power distance relay
KR20000028893A (ko) 거리 계전기
US4689710A (en) Protective relay for an electric power system including decision-making computer means
US7199991B2 (en) Electrical bus protection method & apparatus
JPH11308756A (ja) 系統保護継電装置
JPH0546768B2 (enrdf_load_stackoverflow)
JPH0447545B2 (enrdf_load_stackoverflow)
JP3768441B2 (ja) 母線保護リレ−
JPH0546769B2 (enrdf_load_stackoverflow)
JPH01190215A (ja) 相選択器
JPH0363299B2 (enrdf_load_stackoverflow)
JP2971298B2 (ja) 保護継電装置
JP2923572B2 (ja) 変化幅検出装置
JP3746493B2 (ja) 比率差動継電装置
JPS61224823A (ja) 保護継電器
JPS6051331B2 (ja) 電力系統の事故検出方式
JPH09261844A (ja) 地絡回線選択継電装置
JPS5858888B2 (ja) 保護継電装置
JPH0514502B2 (enrdf_load_stackoverflow)
JPH0158734B2 (enrdf_load_stackoverflow)
JPS6346647B2 (enrdf_load_stackoverflow)