JPS57104210A - Stationary inductive apparatus - Google Patents

Stationary inductive apparatus

Info

Publication number
JPS57104210A
JPS57104210A JP18084380A JP18084380A JPS57104210A JP S57104210 A JPS57104210 A JP S57104210A JP 18084380 A JP18084380 A JP 18084380A JP 18084380 A JP18084380 A JP 18084380A JP S57104210 A JPS57104210 A JP S57104210A
Authority
JP
Japan
Prior art keywords
voltage
lead wire
low
winding
electrostatic
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
JP18084380A
Other languages
Japanese (ja)
Other versions
JPH0351084B2 (en
Inventor
Yoshito Ueno
Akira Hino
Naoki Amano
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 Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP18084380A priority Critical patent/JPS57104210A/en
Publication of JPS57104210A publication Critical patent/JPS57104210A/en
Publication of JPH0351084B2 publication Critical patent/JPH0351084B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/343—Preventing or reducing surge voltages; oscillations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Regulation Of General Use Transformers (AREA)

Abstract

PURPOSE:To facilitate the prevention of transfer of an electrostatic shifting voltage to a low-voltage side winding in a stationary inductive apparatus by a method wherein an electrostatic shifting voltage prevention circuit is composed of a lead wire connecting between stages of a low-voltage side winding and a capacitor connecting between this lead wire and a tank. CONSTITUTION:Low-voltage side windings 2 and 3 are wound on an iron core 1, and a high-voltage winding 4 is wound on these windings. Low-voltage windings 2 and 3 are wound in two stages, and a lead wire 6 led out from the winding 2 placed in the inner side is externally led out and connected with the winding 3 placed in the outer side. A capacitor 7 for use of prevention of an electrostatic shifting voltage is connected between the lead wire 6 led outside the windings 2, 3 and 4 and a tank 5. With this structure, a normal voltage-to-ground of the lead wire 6 becomes half the voltage at the terminal of the low-voltage side winding, and the capacitance of the capacitor 7 connected with the lead wire 6 becomes four times the capacitance in case of connection with the terminal of the low- voltage side winding. Therefore, it can be more easily as much to prevent the transfer of an electrostatic shifting voltage.
JP18084380A 1980-12-19 1980-12-19 Stationary inductive apparatus Granted JPS57104210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18084380A JPS57104210A (en) 1980-12-19 1980-12-19 Stationary inductive apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18084380A JPS57104210A (en) 1980-12-19 1980-12-19 Stationary inductive apparatus

Publications (2)

Publication Number Publication Date
JPS57104210A true JPS57104210A (en) 1982-06-29
JPH0351084B2 JPH0351084B2 (en) 1991-08-05

Family

ID=16090321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18084380A Granted JPS57104210A (en) 1980-12-19 1980-12-19 Stationary inductive apparatus

Country Status (1)

Country Link
JP (1) JPS57104210A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0719864A (en) * 1992-05-06 1995-01-20 Randall J Wright Tubular level and preparation thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0719864A (en) * 1992-05-06 1995-01-20 Randall J Wright Tubular level and preparation thereof

Also Published As

Publication number Publication date
JPH0351084B2 (en) 1991-08-05

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