JPS5642317A - Series resonance type testing transformer circuit - Google Patents

Series resonance type testing transformer circuit

Info

Publication number
JPS5642317A
JPS5642317A JP11748079A JP11748079A JPS5642317A JP S5642317 A JPS5642317 A JP S5642317A JP 11748079 A JP11748079 A JP 11748079A JP 11748079 A JP11748079 A JP 11748079A JP S5642317 A JPS5642317 A JP S5642317A
Authority
JP
Japan
Prior art keywords
transformer
voltage
low
tension
tension winding
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.)
Granted
Application number
JP11748079A
Other languages
Japanese (ja)
Other versions
JPS6033292B2 (en
Inventor
Takeshi Endo
Fumiya Numajiri
Hiroo Nagano
Bunkichi Yoda
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable Ltd
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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP54117480A priority Critical patent/JPS6033292B2/en
Publication of JPS5642317A publication Critical patent/JPS5642317A/en
Publication of JPS6033292B2 publication Critical patent/JPS6033292B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/18—Rotary transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Relating To Insulation (AREA)

Abstract

PURPOSE:To omit a power transformer and to reduce the dielectric strength on the low-potential side of a high-tension winding by a method wherein a variable reactor on the low-tension winding of the transformer of the first stage and the low-tension winding are connected in series to a power source. CONSTITUTION:The variable reactor 4 which has been connected to the low-tension side of the testing transformer 2 of the first stage and the low-tension wiring of the transformer 2 are connected in series to the power source 7, and a high-tension winding of the transformer 2, a high-tension winding of a testing transformer 3 and an electrostatic capacity 6 for testing are connected in series. As a result, a voltage which is 50% of the generated voltage and a voltage which is lost on the circuit are overlapped in the transformer 2. The Q of all the circuits is above 10 at the lowest, all voltage is shown by the total of vector quantity of the generated voltage and the loss voltage, and the lost voltage can be disregarded. Consequently, the source voltage is omitted and the dielectric strength on the low-potential side of the high- tension winding of the testing transformer can be reduced.
JP54117480A 1979-09-13 1979-09-13 Series resonant test transformer circuit Expired JPS6033292B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54117480A JPS6033292B2 (en) 1979-09-13 1979-09-13 Series resonant test transformer circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54117480A JPS6033292B2 (en) 1979-09-13 1979-09-13 Series resonant test transformer circuit

Publications (2)

Publication Number Publication Date
JPS5642317A true JPS5642317A (en) 1981-04-20
JPS6033292B2 JPS6033292B2 (en) 1985-08-02

Family

ID=14712738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54117480A Expired JPS6033292B2 (en) 1979-09-13 1979-09-13 Series resonant test transformer circuit

Country Status (1)

Country Link
JP (1) JPS6033292B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6291868A (en) * 1985-10-17 1987-04-27 Hitachi Cable Ltd Diagnostic method for insulating deterioration of electric equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6291868A (en) * 1985-10-17 1987-04-27 Hitachi Cable Ltd Diagnostic method for insulating deterioration of electric equipment
JPH0554913B2 (en) * 1985-10-17 1993-08-13 Hitachi Cable

Also Published As

Publication number Publication date
JPS6033292B2 (en) 1985-08-02

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