JPS62230315A - Electric source control system - Google Patents

Electric source control system

Info

Publication number
JPS62230315A
JPS62230315A JP61071779A JP7177986A JPS62230315A JP S62230315 A JPS62230315 A JP S62230315A JP 61071779 A JP61071779 A JP 61071779A JP 7177986 A JP7177986 A JP 7177986A JP S62230315 A JPS62230315 A JP S62230315A
Authority
JP
Japan
Prior art keywords
output
power supply
circuit
signal
supply circuits
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
JP61071779A
Other languages
Japanese (ja)
Inventor
都築 邦之
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP61071779A priority Critical patent/JPS62230315A/en
Publication of JPS62230315A publication Critical patent/JPS62230315A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (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

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は電源制御方式に関し、時に複数の直流′llE
源回路で構成され7t ’it源装置’を制御する大型
コンビエータ用の電源制御方式に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a power supply control method, and sometimes a plurality of direct currents
The present invention relates to a power supply control method for a large comviator that is configured with a power supply circuit and controls a 7t 'IT power supply device'.

〔従来の技術〕[Conventional technology]

従来の電源制御方式は第2図に示す工うKn個の直流電
源回路d、〜dnの出方が共通接続され、負荷に供給す
る工うに構成されている。直流電源回路d、−dnの各
々は出力が過電圧である時に過電圧信号Ov、〜0Vn
i出力し、出力が不足電圧である時に不足電圧信号UV
、〜UVn k出力し、出力が過電流である時に過電流
信号QC,〜OCn ’r:出力し、出力が不足電流で
ある時に不足電流信号U(、t〜UCnk出力する。ま
た電圧安定化制御回路d、は直流電源回路の共通出方が
過電圧である時に過電圧信号Ovを出方し、前記共通出
力が不足電圧である時に不足電圧信号UVを出力する。
In the conventional power supply control system, the outputs of the Kn DC power supply circuits d, to dn shown in FIG. 2 are commonly connected and supplied to a load. Each of the DC power supply circuits d and -dn generates overvoltage signals Ov and ~0Vn when the output is overvoltage.
i output, and when the output is undervoltage, the undervoltage signal UV
, ~UVn k is output, and when the output is overcurrent, overcurrent signal QC, ~OCn 'r: is output, and when the output is undercurrent, undercurrent signal U (, t~UCnk is output. Also, voltage stabilization The control circuit d outputs an overvoltage signal Ov when the common output of the DC power supply circuit is overvoltage, and outputs an undervoltage signal UV when the common output is undervoltage.

過電圧信号Ov1〜OVnはオア回路1に入力され、不
足電圧信号Uv、〜UVnはオア回路2に入力さn1オ
ア回路1の出力と過電圧便号ovがアンド回路3に入力
され、オア回路2の出方と不足電圧信号UVがアンド回
路4に人力さn1アンド回路3の出力とアンド回路4の
出力がオア回路5に入力さnる。アンド回路5の出力A
LMが出力されt時、直流電源回路d1〜dntそnぞ
n遮断し、出力全零にする0過電流回路OCI〜OCn
及び不足電流回路UC,〜UCnはオア回路6に入力さ
n、オア回路6の出力WARが出力されt時、直流電源
回路d、〜dnを遮断せずに出力は供給し続けることが
出来る。
The overvoltage signals Ov1 to OVn are input to the OR circuit 1, and the undervoltage signals Uv and ~UVn are input to the OR circuit 2. The output and the undervoltage signal UV are input to the AND circuit 4, and the output of the AND circuit 3 and the output of the AND circuit 4 are input to the OR circuit 5. Output A of AND circuit 5
When LM is output, the DC power supply circuits d1 to dnt are shut off and the output is completely zero.0 Overcurrent circuits OCI to OCn
The undercurrent circuits UC, -UCn are input to the OR circuit 6, and when the output WAR of the OR circuit 6 is output, the output can continue to be supplied without interrupting the DC power supply circuits d, -dn.

すなわち、直流電源回路d1〜dnの少なくとも一つの
出力が過電圧となり、かつ直流電源回路d、〜dnの共
通出力が過電圧となつt時、あるいは直流電源回路d1
〜dnの少なくとも一つの出力が不足電圧となり、かつ
直流電源回路d1〜dnの共通出力が不足電圧となり九
時に信号ALMが出力さn1直流電源回路d1〜dnは
遮断さnる。また、直流電源回路d8〜dnの過電流及
び不足電流のうち少なくとも1つが出力さnfc時に警
報信号WARが出力さn%厘導電源回路d、〜dnの少
なくとも1台が故障し九ことがわかる0〔発明が解決し
ょうとする問題点〕 上述しt従来の電源制御方式は直流電源回路d。
That is, at the time t when at least one output of the DC power supply circuits d1 to dn becomes overvoltage and the common output of the DC power supply circuits d, to dn becomes overvoltage, or the DC power supply circuit d1
At least one output of ~dn becomes an undervoltage, and the common output of the DC power supply circuits d1~dn becomes an undervoltage, and a signal ALM is output at 9:00, and the DC power supply circuits d1~dn are cut off. Furthermore, when at least one of the overcurrent and undercurrent of the DC power supply circuits d8 to dn is outputted, the alarm signal WAR is outputted. 0 [Problems to be solved by the invention] As mentioned above, the conventional power supply control method is a DC power supply circuit.

〜dnが負荷に対して冗長を持たせているため、直流電
源回路dl−dnのうち、@流電源回路d。
~dn has redundancy for the load, so of the DC power supply circuits dl-dn, @current power supply circuit d.

が過電流又は不足電流となると直ちに自分自身の出力を
遮断し、残りの直流電源回路ヴd2〜dnが出力定格を
越えて過電流で検出するまで働き得る。ところが残りの
直流電源回路d!〜dnの出力容量を越える場合は直流
電源回路d、〜dnのうち検出レベルが早い1台が過電
流となり遮断となる0これを繰り返して直ちに残りの丁
ぺて直流電源回路d、〜dnが遮断となる。したがって
個々の直流電源回路の定格を越えて過電流を検出する間
の出力電流で運転を続ける可能性がるり、It流電源回
路d、〜dnの素子が電気的、熱的に過負荷となり、便
頼度が落ちる恐nがある。
When an overcurrent or undercurrent occurs, it immediately cuts off its own output, and the remaining DC power supply circuits Vd2 to dn can continue to operate until the output rating is exceeded and an overcurrent is detected. However, the remaining DC power supply circuit d! If the output capacity of ~dn is exceeded, one of the DC power supply circuits d and ~dn with the earliest detection level will overcurrent and be cut off.Repeat this and immediately turn off the remaining DC power supply circuits d and ~dn. It becomes a blockage. Therefore, there is a possibility that each DC power supply circuit continues to operate with an output current that exceeds the rating and during the detection of an overcurrent, and the elements of the It current power supply circuits d, to dn become electrically and thermally overloaded. There is a risk that the level of convenience will decrease.

〔問題点を解決する之めの手段〕[Means for solving problems]

本発明の電源制御方式は七nそれの出力を接続した共通
出力を負荷に供給するm個の直流電源回路と、前記m個
の直流電源回路のうちあらかじめ設定し九ffN個(但
しN1m)の数の直流電源回路の出力が過電流まtに不
足電流の時は警報信号を出力する警告手段と、前記m個
の直流電源のうち前記Nt−越える個数の直流電源回路
が過電流または不足電流の時は前記m個の直流電源回路
上遮断する遮断手段とを含んで構成される。
The power supply control system of the present invention includes m DC power supply circuits that supply a common output to the load by connecting their outputs, and 9ffN (N1m) of the m DC power supply circuits that are set in advance. a warning means for outputting an alarm signal when outputs of a number of DC power supply circuits are overcurrent or undercurrent; In the case of , it is configured to include a cutoff means for cutting off the m DC power supply circuits.

〔実施例〕〔Example〕

次に、本発明の実施例について図面上参照して説明する
Next, embodiments of the present invention will be described with reference to the drawings.

第1図は本発明の一実施例を示す。第1図において1本
実施例はn個の直流電源回路D1〜Dnの出力が共通接
続されていて負荷(l!81示略)に供給するように構
成されている0この直流電源回路り、−Dnの各々は出
力が過電圧である時に過電圧信号Ov、〜OVn  f
出力し、出力が不足電圧である時に不足電圧1g号UV
、〜UVnk出力し、出力が過電流である時に過電流信
号QC,〜0Cnt出力し、出力が不足電流である時に
不足電流信号UCn 〜UCn ’(出力する。過′a
L流16号OC1〜0Cnt!、2人カオア回路9.〜
9nの片方に不足電流信号UCI〜UCnは前記オア回
路91〜9nの残りの一方に入力される。制御回路d0
は直流電源回路の共通出力が過電圧である時に過電圧信
号Ovを出力し、不足電圧である時に不足電圧信号UV
會比出力る0 過電圧信号Ovl〜OVnはオア回路7に入力され、不
足電圧信号UV、〜UVnはオア回路8に入力され、オ
ア回路7の出力と過電圧信号Ovがアンド回路9に入力
され、オア回路8の出力と不足電圧信号UVがアンド回
路10に入力さnる。
FIG. 1 shows an embodiment of the invention. In FIG. 1, the present embodiment is a DC power supply circuit in which the outputs of n DC power supply circuits D1 to Dn are connected in common and are configured to supply a load (l!81 not shown). -Dn are overvoltage signals Ov, ~OVn f when the output is overvoltage.
output, and when the output is undervoltage, the undervoltage 1g UV
, ~UVnk are output, and when the output is an overcurrent, an overcurrent signal QC, ~0Cnt is output, and when the output is an undercurrent, an undercurrent signal UCn ~UCn' (output.
L flow No. 16 OC1~0Cnt! , 2-person Chaoa circuit 9. ~
The undercurrent signals UCI-UCn are input to one of the OR circuits 91-9n. control circuit d0
outputs an overvoltage signal Ov when the common output of the DC power supply circuit is overvoltage, and outputs an undervoltage signal UV when it is undervoltage.
The overvoltage signals Ovl to OVn are input to the OR circuit 7, the undervoltage signals UV to UVn are input to the OR circuit 8, the output of the OR circuit 7 and the overvoltage signal Ov are input to the AND circuit 9, The output of the OR circuit 8 and the undervoltage signal UV are input to an AND circuit 10.

オア回路9.〜9nの出力は信号数比較回路12に入力
さn1信号数比較回路12に入力された数Nと比較され
、オア回路91〜9nの出力信号の有為な数が、比較回
路12に入力された数Nより多い場@rは信号13t−
出力し、オア回路9.〜Pnの出力信号の有為な数が比
較回路12に入力されt数Nの時には警報信号WARを
出力する。
OR circuit 9. The outputs of the OR circuits 91 to 9n are input to the signal number comparison circuit 12 and compared with the number N input to the signal number comparison circuit 12, and a significant number of the output signals of the OR circuits 91 to 9n are input to the comparison circuit 12. If there are more than the number N, @r is the signal 13t-
Output and OR circuit 9. A significant number of output signals of ~Pn are input to the comparison circuit 12, and when the number t is N, an alarm signal WAR is output.

オア回路9の出力と、オア回路10の出力と信号数比較
回路12の出力13の出力はオア回路11に入力される
オア回路11の出力ALMが出力され九時、[流電算回
路り、〜Dtlt−そnぞn遮断し出力を零とする。す
なわち、直流電源回路り。
The output of the OR circuit 9, the output of the OR circuit 10, and the output of the output 13 of the signal number comparison circuit 12 are input to the OR circuit 11. Dtlt- is shut off and the output is set to zero. In other words, it is a DC power supply circuit.

〜Dnの少なくとも一つの出力が過電圧となり。At least one output of ~Dn becomes overvoltage.

かつ、直流出力電源回路D1〜Dnの共通出力が過電圧
となり九時、あるいは直流電源回路り。
Also, the common output of the DC output power supply circuits D1 to Dn becomes overvoltage, causing the DC power supply circuit to fail.

〜Dnの少なくとも一つの出力が不足電圧となりかつ直
流電源回路り、〜Dnの共通出力が不足電圧となった時
、あるいは信号数比較回路12に入力し友数Nよりも多
くの台数の直流電源回路D1〜Dnにおいて過電流ま友
は不足電流が生じ友時に遮断信号ALM’に出力し直流
電源回路D1〜Dnは遮断される。
When at least one output of ~Dn becomes undervoltage and the DC power supply circuit is connected, and the common output of ~Dn becomes undervoltage, or when the number of DC power supplies input to the signal number comparison circuit 12 is greater than the number N In the circuits D1 to Dn, when an overcurrent or undercurrent occurs, a cutoff signal ALM' is output, and the DC power supply circuits D1 to Dn are cut off.

また、信号数比較回路に入力した数Nの台数の直流電源
回路り、〜Dnにおいて過電流ま九は不定電流が生じた
時に警報信号WARt−出力し自身過電流又は不足電流
になっ友もの以外は遮断されなく負荷に電源を供給し続
けることが出来る。
In addition, when an overcurrent or an undefined current occurs in the DC power supply circuit of the number N input to the signal number comparison circuit, an alarm signal WARt is output when an undefined current occurs in the DC power supply circuit ~Dn. can continue to supply power to the load without being interrupted.

〔発明の効果〕〔Effect of the invention〕

本発明は以上説明しt工うに、そnぞれが接続あれLm
個の直流電源回路の任意のN個(但しN<m)の出力が
停止となっ友場曾には、負荷には電流を1個あたりの直
流電源回路の定格の範囲内で供給し続けることが出来る
工うにNt−選んである為、N個の出力が停止した場会
には警報信号により過電流等の状態を知ることが出来る
ので、運転している個々の信頼度t−=さないでシステ
ムの信頼[−高めることが出来る。
As described above, the present invention has been explained above.
If the output of any N (N < m) DC power supply circuits is stopped, the current must continue to be supplied to the load within the rated range of each DC power supply circuit. Since Nt- is selected for the method that allows system reliability can be increased.

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

第1図は本発明の一冥流側會示すブロック図、第2図は
従来の電源制御方式を示すブロック図である。 D1〜Dn 、d、〜dn・・・・・・直流電源回路、
Do。 do・・・・・・電圧安定化回路、ov、ov、〜OV
n・・・・・・過電圧信号、UV、UV、〜UVn・・
・・・・不足電日号、OC1〜OCn・・・・・・過電
流信号、UC,〜UCn・・・・・・不足電流信号、1
.2.5,6,7,8,11゜91〜9n・・・・・・
オア回路、3,4.9.10・旧・・アンド回路、12
・・・・・・信号数比較回路、15・・・・・・比較数
入力端子、AI、M・・・・・・遮断出力、WAR・・
・・・・警報信号出力。 ′yf5′I図 ′jf5z図
FIG. 1 is a block diagram showing one undercurrent side of the present invention, and FIG. 2 is a block diagram showing a conventional power supply control system. D1~Dn, d, ~dn...DC power supply circuit,
Do. do...Voltage stabilization circuit, ov, ov, ~OV
n...Overvoltage signal, UV, UV, ~UVn...
....Date of power shortage, OC1~OCn...Overcurrent signal, UC, ~UCn...Undercurrent signal, 1
.. 2.5, 6, 7, 8, 11°91~9n...
OR circuit, 3, 4.9.10, old...AND circuit, 12
... Signal number comparison circuit, 15... Comparison number input terminal, AI, M... Cutoff output, WAR...
...Alarm signal output. 'yf5'I diagram'jf5z diagram

Claims (1)

【特許請求の範囲】[Claims] それぞれの出力を接続した共通出力を負荷に供給するm
個の直流電源回路と、前記m個の直流電源回路のうちあ
らかじめ設定した数N個(但しN≦m)の数の直流電源
回路の出力が過電流または不足電流の時は警報信号を出
力する報告手段と、前記m個の直流電源回路のうち前記
Nを越える個数の直流電源回路が過電流または不足電流
の時は前記m個の直流電源回路を遮断する遮断手段とを
含むことを特徴とする電源制御方式。
Supply a common output to the load by connecting each output m
Outputs an alarm signal when the outputs of the DC power supply circuits and a preset number N (N≦m) of the m DC power supply circuits are overcurrent or undercurrent. and a cutoff means for cutting off the m DC power supply circuits when more than N of the m DC power supply circuits are overcurrent or undercurrent. power control method.
JP61071779A 1986-03-28 1986-03-28 Electric source control system Pending JPS62230315A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61071779A JPS62230315A (en) 1986-03-28 1986-03-28 Electric source control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61071779A JPS62230315A (en) 1986-03-28 1986-03-28 Electric source control system

Publications (1)

Publication Number Publication Date
JPS62230315A true JPS62230315A (en) 1987-10-09

Family

ID=13470393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61071779A Pending JPS62230315A (en) 1986-03-28 1986-03-28 Electric source control system

Country Status (1)

Country Link
JP (1) JPS62230315A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62126827A (en) * 1985-11-25 1987-06-09 日本電気株式会社 Source control method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62126827A (en) * 1985-11-25 1987-06-09 日本電気株式会社 Source control method

Similar Documents

Publication Publication Date Title
JPH0753037B2 (en) Inverter protector
JPS62230315A (en) Electric source control system
US4740723A (en) Semiconductor switch
JPS5854746B2 (en) How to protect parallel inverter systems
JP3337864B2 (en) Fault detection method and system switching method for inverter parallel operation system
JP2603528B2 (en) AA neutral line open phase detection point extension unit
JPS6046717A (en) Power source defect discriminatng circuit
JPS6210086B2 (en)
JPH078100B2 (en) Power control method
SU907677A1 (en) Protected converter
JPS63228923A (en) Load connecting and cutting-off circuit
SU1097988A1 (en) Device for checking and protecting multichannel power supply unit
SU1101799A1 (en) Device for checking and protecting two power units
JPS6231322A (en) Power source breaker
JPH07106027B2 (en) Inverter device protection circuit
JPH10341578A (en) Arm short-circuit detecting circuit of inverter equipment
JPH04334925A (en) Power feeding and shutting-off system
SU905930A1 (en) Device for monitoring network voltage
KR940008547Y1 (en) Braking circuit for ripple current
JPS59103516A (en) Power feeding interruption detecting system
JPS61147738A (en) Power-failure-free power source unit
JPH01259714A (en) Protective device for power converter
JPH08110803A (en) Programmable controller
JPH10133752A (en) Stabilized power source device
JPS63103615A (en) Distribution panel