JPS5887428U - Uninterruptible power system - Google Patents

Uninterruptible power system

Info

Publication number
JPS5887428U
JPS5887428U JP18067481U JP18067481U JPS5887428U JP S5887428 U JPS5887428 U JP S5887428U JP 18067481 U JP18067481 U JP 18067481U JP 18067481 U JP18067481 U JP 18067481U JP S5887428 U JPS5887428 U JP S5887428U
Authority
JP
Japan
Prior art keywords
power supply
load sharing
parallel
installation location
current flowing
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.)
Pending
Application number
JP18067481U
Other languages
Japanese (ja)
Inventor
三郎 竹内
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP18067481U priority Critical patent/JPS5887428U/en
Publication of JPS5887428U publication Critical patent/JPS5887428U/en
Pending legal-status Critical Current

Links

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は従来の無停電電源装置の回路図、第2図はこの
考案の一実施例による無停電電源装置の回路図、第3図
は同装置の負荷分担制御回路の構成例を示す回路図、第
4図は第3図の装置の電流方向弁別器の構成を示す回路
図、第5図は不感帯設定器の入出力特性を示すグラフ図
、第6図a。 bは電流方向弁別器の動作を示すベクトル図、第7図は
この考案の他の実施例を示す回路図である。 1.2・・・・・・設置場所、11〜16・・・・・・
電源装置、17.18・・・・・・開閉装置、19・・
・・・・並列母線、21、22・・・・・・負荷、31
.32・・・・・・変流器、35.36・・・・・・負
荷分担制御装置、43・・・・・・不感帯設定器、44
・・・・・・基準設定部、45・・・・・・減算器、4
6・・・・・・増幅器、47・・・・・・電流方向弁別
器、48・・・・・・スイッチ、49.50・・・・・
・電力変換器、54・・・・・・コンパレータ。なお、
図中、同一符号は同一または相当部分を示す。 i i ’:  4’la  Pl l’: :絢 4
6a1 第7図 “  11!
Figure 1 is a circuit diagram of a conventional uninterruptible power supply, Figure 2 is a circuit diagram of an uninterruptible power supply according to an embodiment of this invention, and Figure 3 is a circuit diagram showing an example of the configuration of the load sharing control circuit of the same device. 4 is a circuit diagram showing the configuration of the current direction discriminator of the device shown in FIG. 3, FIG. 5 is a graph showing the input/output characteristics of the dead zone setting device, and FIG. 6a. b is a vector diagram showing the operation of the current direction discriminator, and FIG. 7 is a circuit diagram showing another embodiment of this invention. 1.2... Installation location, 11-16...
Power supply device, 17.18...Switching device, 19...
...Parallel bus bar, 21, 22...Load, 31
.. 32...Current transformer, 35.36...Load sharing control device, 43...Dead band setting device, 44
...Reference setting section, 45...Subtractor, 4
6...Amplifier, 47...Current direction discriminator, 48...Switch, 49.50...
- Power converter, 54... Comparator. In addition,
In the drawings, the same reference numerals indicate the same or corresponding parts. i i': 4'la Pl l': :Aya 4
6a1 Figure 7 “11!

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)  複数の設置場所の各々に設けられた電源装置
と、各設置場所間で上記電源装置を相互に並列に接続す
る並列母線と、この並列母線を流れる電流を各設置場所
で検出してその電流値が設定値以上にならないように制
御する負荷分担制御装置とを備え、上記負荷分担装置は
、上記並列母線を流れる電流が所定の不感帯以上のとき
にその電流値に対応した出力信号を発生する不感帯設定
器と、上記並列母線を流れる電流の方向が当該設置場所
から他の設置場所に向けて送出する方向であるときだけ
上記不感帯設定器の出力信号を当該負荷分担制御装置の
出力として送出する電流方向弁別器とを有していること
を特徴とする無停電電源装置。
(1) A power supply device installed at each of a plurality of installation locations, a parallel busbar that connects the power supply devices in parallel between each installation location, and a current flowing through this parallel busbar that is detected at each installation location. and a load sharing control device that controls the current value so that it does not exceed a set value, and the load sharing device outputs an output signal corresponding to the current value when the current flowing through the parallel bus bar exceeds a predetermined dead zone. The output signal of the dead band setting device is used as the output of the load sharing control device only when the direction of the generated dead band setting device and the current flowing through the parallel bus bar is the direction from the installation location to the other installation location. An uninterruptible power supply comprising: a current direction discriminator.
(2)上記負荷分担制御装置は、上記並列母線を流れる
電流を有効電力成分と無効電力成分とに分離して検出す
る電力変換器を有している実用新案登録請求の範囲第1
項記載の無停電電源装置。
(2) The load sharing control device has a power converter that separates and detects the current flowing through the parallel bus into an active power component and a reactive power component.
Uninterruptible power supply as described in section.
JP18067481U 1981-12-03 1981-12-03 Uninterruptible power system Pending JPS5887428U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18067481U JPS5887428U (en) 1981-12-03 1981-12-03 Uninterruptible power system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18067481U JPS5887428U (en) 1981-12-03 1981-12-03 Uninterruptible power system

Publications (1)

Publication Number Publication Date
JPS5887428U true JPS5887428U (en) 1983-06-14

Family

ID=29977471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18067481U Pending JPS5887428U (en) 1981-12-03 1981-12-03 Uninterruptible power system

Country Status (1)

Country Link
JP (1) JPS5887428U (en)

Similar Documents

Publication Publication Date Title
JPS5887428U (en) Uninterruptible power system
JPS6110917A (en) Method of controlling ac/dc converter
JPS6114838U (en) Power converter failure detection device
JPS60140111U (en) power supply
JPS5950115U (en) Protection circuit for switching type amplifier
JPS58136935U (en) Constant power control device
JPS5984615U (en) power protection circuit
JPS6066234U (en) Abnormal load detection circuit for multi-load control equipment
JPS6086038U (en) frequency control device
JPS6143727U (en) Power panel protection circuit
JPS58143433U (en) motor protection relay
JPS60171033U (en) power protection device
JPS586544U (en) System power factor constant control device
JPS6141330U (en) Distribution line connection equipment
JPS58193830U (en) Uninterruptible power system
JPS60160036U (en) automatic power factor control device
JPS58138118U (en) frequency control device
JPS6114891U (en) DC stabilized power supply
JPS58112029U (en) Generator control device
JPS5881617U (en) power protection circuit
JPS5960892U (en) Cross current detection circuit
JPS60140113U (en) AC power control device
JPS5863891U (en) Overcurrent protection circuit
JPS58115836U (en) Transformer number control device
JPS59192721U (en) Power converter with reactive power compensation