WO2012124229A1 - Appareil de condensateur de type unité - Google Patents

Appareil de condensateur de type unité Download PDF

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Publication number
WO2012124229A1
WO2012124229A1 PCT/JP2011/079024 JP2011079024W WO2012124229A1 WO 2012124229 A1 WO2012124229 A1 WO 2012124229A1 JP 2011079024 W JP2011079024 W JP 2011079024W WO 2012124229 A1 WO2012124229 A1 WO 2012124229A1
Authority
WO
WIPO (PCT)
Prior art keywords
capacitor
phase advance
series reactor
support
reactor
Prior art date
Application number
PCT/JP2011/079024
Other languages
English (en)
Japanese (ja)
Inventor
省一 武内
誠二 中山
弘 黒木
Original Assignee
日新電機株式会社
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 日新電機株式会社 filed Critical 日新電機株式会社
Priority to CN201180069379.6A priority Critical patent/CN103443888B/zh
Publication of WO2012124229A1 publication Critical patent/WO2012124229A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/224—Housing; Encapsulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/10—Housing; Encapsulation
    • H01G2/106—Fixing the capacitor in a housing

Definitions

  • the present invention relates to a unit-type capacitor device that is used in a high-voltage power receiving facility or the like and in which a series reactor and a phase advance capacitor are integrated.
  • the power factor of the received power close to 100% in a high-voltage power receiving facility.
  • the power factor inherent to the load is often about 60 to 70% as a lag current. Therefore, in order to improve this power factor to 95 to 100%, a phase-advancing capacitor for passing a leading current is used. ing.
  • a unit-type capacitor device that integrates a series reactor and a phase-advancing capacitor has a capacitor container that contains a phase-advanced capacitor and is filled with insulating oil, and is mounted on the capacitor container. Is provided between the reactor vessel filled with the capacitor vessel and the reactor vessel and an intermediate connection portion that connects the phase advance capacitor and the series reactor (see, for example, Patent Document 1).
  • capacitor device there is one having a structure in which a series reactor portion is accommodated in an upper portion and a phase advance capacitor portion is accommodated in a lower portion in one capacitor container (see, for example, Patent Document 2).
  • a series reactor portion is accommodated in an upper portion
  • a phase advance capacitor portion is accommodated in a lower portion in one capacitor container.
  • a phase advance capacitor is housed in a capacitor container and a series reactor is housed in a reactor container, that is, an oil immersion insulation system having an external container. Since the structure is adopted, the entire apparatus is enlarged. Since the intermediate connection part which consists of bushings (insulator) etc. is located between a capacitor
  • the installation area and cost are reduced by reducing the installation area and the number of bushings compared to the case where the series reactor and the phase advance capacitor are separated. Is possible.
  • the series reactor part since the series reactor part has a structure in which the series reactor part is housed in the capacitor container together with the phase-advancing capacitor part, there is a problem that the entire apparatus is increased in size because the heat dissipation structure of the series reactor part is required.
  • an object of the present invention is to provide a unit-type capacitor device that can reduce the size and cost of the entire device.
  • the present invention is a unit-type capacitor device in which a series reactor and a phase advance capacitor are integrated, the series reactor is held by a support, and the support is connected in series.
  • a phase advance capacitor in which a capacitor element is molded with a resin is housed inside a frame portion located below the reactor.
  • the structure does not have a conventional external container. Therefore, it is easy to make the entire apparatus compact. In addition, since it is a complete dry type that does not employ an oil immersion insulation method with an external container, there is no concern of oil leakage.
  • the electrical connection between the series reactor and the phase advance capacitor is derived from the insulation-molded electric wire electrically connected to the capacitor element from the outer mold part of the phase advance capacitor, and the leading end of the derived insulation-coated electric wire.
  • the structure which connected the part to the terminal part of the series reactor is desirable.
  • a bushing insulator
  • the number of bushings can be reduced and the cost can be reduced.
  • the phase advance capacitor in the present invention is preferably inserted into the support frame after resin molding of the capacitor element, or the capacitor element is preferably resin molded in the support frame.
  • the phase advance capacitor is manufactured by molding the capacitor element with resin, and after the manufacture, the phase advance capacitor is assembled to the frame portion of the support body of the series reactor.
  • the phase-reacting capacitor is manufactured and assembled at the same time by using the frame portion of the support body of the series reactor as a mold and resin molding the capacitor element with the frame portion of the support body.
  • a structure is adopted in which a series reactor is held by a support, and a phase advance capacitor in which a capacitor element is molded with a resin is contained inside a frame portion located below the series reactor of the support. Therefore, since the structure does not have an external container as in the prior art, it is easy to realize a compact apparatus as a whole. Thus, by making the entire device compact, the capacitor device can be easily installed in the power receiving panel without being limited in space even when it is housed in the power receiving panel of the high voltage power receiving equipment, and its practical value. Is also big.
  • Embodiments of a unit type capacitor device according to the present invention will be described in detail below.
  • a unit type capacitor device that is used in a high-voltage power receiving facility or the like and in which a series reactor and a phase advance capacitor are integrated will be exemplified.
  • the unit-type capacitor device includes a series reactor 3 in which an iron core portion 2 is passed through the center of an annular coil portion 1, and a capacitor element (not shown) as a resin. And a support 5 for holding the series reactor 3.
  • the support 5 includes an upper mounting portion 6 having an L-shaped cross section attached to the upper portion of the core portion 2 of the series reactor 3, and a lower U-shaped cross section attached to the lower portion of the core portion 2 of the series reactor 3. It is comprised by the attaching part 7 and the frame part 8 which is located under the serial reactor 3 and the lower attaching part 7 of the serial reactor 3 was fixed.
  • the phase-advancing capacitor 4 is housed inside the frame portion 8 located below the series reactor 3.
  • the unit-type capacitor device employs a structure in which the phase advance capacitor 4 is accommodated inside the frame portion 8, and thus has a conventional structure without an external container. Can be easily realized. In addition, since it is a complete dry type that does not employ an oil immersion insulation method with an external container, there is no concern of oil leakage. Thus, by making the entire device compact, the capacitor device can be easily installed in the power receiving panel without being limited in space even when it is housed in the power receiving panel of the high voltage power receiving equipment, and its practical value. Is also big.
  • the series reactor 3 since the series reactor 3 has a structure that is exposed by being integrated with the phase advance capacitor 4 at the lower mounting portion 7 of the support 5, it is easy to radiate heat, and the heat generated by the series reactor 3 is transferred to the phase advance capacitor 4. Influencing can also be suppressed.
  • the insulation coated electric wire 9 electrically connected to the capacitor element is led out from the outer mold part 10 of the phase advance capacitor 4, and the derived insulation coated electric wire 9 is derived. Is connected to a terminal portion 11 provided in the coil portion 1 of the series reactor 3. In order to lead out the insulated wire 9 from the outer mold part 10 of the phase advance capacitor 4, an opening 12 through which the insulated wire 9 is inserted is provided in a corresponding part of the frame 8. The insulated wire 9 is electrically connected to the capacitor element when the phase-advancing capacitor 4 in which the capacitor element is molded with resin is manufactured. 2 is a lead wire connected to the terminal portion 14 of the coil portion 1 of the series reactor 3 in order to connect the capacitor device to the system.
  • the insulated coated electric wire 9 electrically connected to the capacitor element is led out from the exterior mold portion 10 of the phase advance capacitor 4, and the tip of the insulated coated electric wire 9 is connected to the series reactor 3.
  • no bushing insulator
  • led-out from the exterior mold part 10 of the phase advance capacitor 4 a charging part is not exposed.
  • phase advance capacitor 4 is accommodated inside the frame portion 8 of the support 5 by the following first means and second means.
  • the phase advance capacitor 4 manufactured by the resin mold is inserted and arranged inside the frame portion 8 of the support 5 as shown in FIG. . That is, the phase advance capacitor 4 is manufactured by molding the capacitor element with resin, and the phase advance capacitor 4 is assembled to the frame portion 8 of the support 5 of the series reactor 3 after the manufacture.
  • the phase advance capacitor 4 and the frame portion 8 are separate bodies, a slight gap t is formed between the exterior mold portion 10 of the phase advance capacitor 4 and the inner peripheral surface of the frame portion 8. Is done.
  • the phase advance capacitor 4 is manufactured by resin-molding the capacitor element with the frame portion 8 of the support 5. That is, by using the frame portion 8 of the support 5 as a mold and resin molding the capacitor element with the frame portion 8, the phase advance capacitor 4 is manufactured and assembled at the same time. In the case of this structure, the phase advance capacitor 4 and the frame portion 8 are integrated, so that there is no gap between the exterior mold portion 10 of the phase advance capacitor 4 and the inner peripheral surface of the frame portion 8. It will be in close contact.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

L'invention porte sur un appareil de condensateur de type unité dans lequel l'appareil complet peut être rendu plus compact, et son coût peut être réduit. L'appareil de condensateur de type unité a une bobine de réactance en série (3) et un condensateur à avance de phase (4) intégrés ensemble, et comporte une structure dans laquelle la bobine de réactance en série (3) est maintenue avec un élément de support (5), et le condensateur à avance de phase (4) qui a un élément de condensateur moulé avec une résine est reçu à l'intérieur d'une section de cadre (8) de l'élément de support (5) qui est positionné sous la bobine de réactance en série.
PCT/JP2011/079024 2011-03-17 2011-12-15 Appareil de condensateur de type unité WO2012124229A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201180069379.6A CN103443888B (zh) 2011-03-17 2011-12-15 单元型电容器装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011059207A JP5927768B2 (ja) 2011-03-17 2011-03-17 ユニット形コンデンサ装置及びその製造方法
JP2011-059207 2011-03-17

Publications (1)

Publication Number Publication Date
WO2012124229A1 true WO2012124229A1 (fr) 2012-09-20

Family

ID=46830328

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/079024 WO2012124229A1 (fr) 2011-03-17 2011-12-15 Appareil de condensateur de type unité

Country Status (3)

Country Link
JP (1) JP5927768B2 (fr)
CN (1) CN103443888B (fr)
WO (1) WO2012124229A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6277618B2 (ja) * 2013-07-09 2018-02-14 日新電機株式会社 コンデンサ装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05226183A (ja) * 1992-02-17 1993-09-03 Nichicon Corp 三相コンデンサ
JPH06259154A (ja) * 1993-03-05 1994-09-16 Nichicon Corp 進相コンデンサ用直列リアクトル装置
JPH09172738A (ja) * 1995-12-20 1997-06-30 Nichicon Corp 進相コンデンサ設備
JP2000208365A (ja) * 1999-01-18 2000-07-28 Nichicon Corp 直列リアクトル一体形低圧進相コンデンサ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05226183A (ja) * 1992-02-17 1993-09-03 Nichicon Corp 三相コンデンサ
JPH06259154A (ja) * 1993-03-05 1994-09-16 Nichicon Corp 進相コンデンサ用直列リアクトル装置
JPH09172738A (ja) * 1995-12-20 1997-06-30 Nichicon Corp 進相コンデンサ設備
JP2000208365A (ja) * 1999-01-18 2000-07-28 Nichicon Corp 直列リアクトル一体形低圧進相コンデンサ

Also Published As

Publication number Publication date
CN103443888A (zh) 2013-12-11
JP2012195487A (ja) 2012-10-11
JP5927768B2 (ja) 2016-06-01
CN103443888B (zh) 2017-02-22

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