CN106787700A - A kind of Modular UPS battery cold start-up circuit - Google Patents
A kind of Modular UPS battery cold start-up circuit Download PDFInfo
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- CN106787700A CN106787700A CN201611093727.4A CN201611093727A CN106787700A CN 106787700 A CN106787700 A CN 106787700A CN 201611093727 A CN201611093727 A CN 201611093727A CN 106787700 A CN106787700 A CN 106787700A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of Modular UPS battery cold start-up circuit, it is characterized in that the positive pole of battery pack is connected with the anode of IGCT, multirouting current-limiting resistance one end is connected with IGCT, the other end is connected with the anode of backward dioded, the negative electrode of diode is connected with the positive pole of electric capacity, the battery cold start-up circuit in parallel that the negative pole of electric capacity is connected with the negative pole of battery realizes multiple module cold start-ups simultaneously to the negative electrode of IGCT；The present invention has advantages below compared to existing technology：Modular UPS multiple power model battery cold start-up simultaneously can be realized, soft function of BUS is safely and fast realized；Circuit structure is simple simultaneously, and scalability is strong；User is simple to operate.
Description
Technical field
It is multiple the present invention relates to a kind of Modular UPS battery cold start-up circuit, more particularly to a kind of achievable Modular UPS
The battery cold start-up circuit of module cold start-up simultaneously.
Background technology
UPS battery cold start-up technology refers to that UPS is input into but in the presence of batteries in no AC power, can be used
Start battery, will be by battery backup for a period of time after startup.In the market, traditional UPS interiors of products is typically all matched somebody with somebody
Standby battery cold start-up circuit, supports battery cold start function, but the Modular UPS of only part manufacturer production possesses electricity at present
Pond cold start function；Compared to traditional UPS, Modular UPS battery cold start-up needs to realize multichannel power model while battery is cold
Start, battery cold start-up circuit major function is that the BUS voltages of UPS are risen into cell voltage from 0V, then by programme-control
UPS is set progressively to work to battery mode, powering load；During so as to avoiding for cell voltage directly feeding BUS electric capacity, generation
High current, it is therefore desirable to design battery cold start-up circuit realiration BUS voltages and rise to cell voltage slowly from OV.
The content of the invention
The invention aims to provide a kind of battery cold start-up circuit for being applied to Modular UPS, the circuit can be real
All power models battery cold start function simultaneously in existing Modular UPS, and break-make is controllable.
The present invention is achieved by the following technical solutions：A kind of Modular UPS battery cold start-up circuit, it is characterised in that
The positive pole of battery pack is connected with IGCT anode, and the controllable pole of the IGCT connects drive circuit, current-limiting resistance one end and crystalline substance
The negative electrode of brake tube is connected, and the other end is connected with the anode of backward dioded, the positive pole of BUS electrochemical capacitors and the moon of backward dioded
Extremely it is connected, other end negative pole is connected with the negative pole of battery pack, is composed in series first via battery cold start-up circuit；Current-limiting resistance one end
It is connected with the negative electrode of IGCT, the other end is connected with one end negative pole with the negative pole of battery pack, is composed in series that the second road battery is cold to be opened
Dynamic circuit；When more multichannel battery cold start-up circuit is needed, directly with the negative electrode of IGCT.
As preferred, the positive pole and IGCT of positive battery group BAT1（Abbreviation SCR）The anode of Q2 is connected；Current-limiting resistance R5
One end be connected with the negative electrode of SCR Q2, the other end is connected with the anode of counnter attack diode D4；The negative electrode of diode D4 and 1# work(
The positive pole of the positive BUS electric capacity C101 of rate module is connected；One end of current-limiting resistance R6 is connected with the negative electrode of SCR Q2, the other end with it is anti-
The anode of anti-diode D5 is connected, and the negative electrode of diode D5 is connected with the positive pole of the positive BUS electric capacity C102 of 2# power models；Just
The negative pole of the negative pole of battery pack BAT1 and positive BUS electric capacity C101, C102 is connected with zero line N, and this partial circuit constitutes positive BUS
The main circuit of soft, it is possible to achieve soft function of two positive BUS of module；
The drive circuit is connected including counnter attack diode D1 anodes with the positive pole of positive battery group, negative electrode and current-limiting resistance R1 one end
It is connected, the other end of current-limiting resistance R1 is connected with the drain electrode of MOS transistor Q1；The anode of counnter attack diode D2 and positive battery group
Positive pole is connected, and negative electrode is connected with current-limiting resistance R2 one end, and the other end of current-limiting resistance R2 is connected with 1 pin of point-touch switch SW1；
2 pin of point-touch switch SW1 are connected with the grid of MOS transistor Q1；The positive pole of electrochemical capacitor C2 and the grid of MOS transistor Q1
It is connected, negative pole is connected with source electrode；One end of divider resistance R3 is connected with the grid of MOS transistor Q1, and the other end is connected with source electrode；
The anode of voltage-regulator diode ZD2 is connected with the source electrode of MOS transistor Q1, and the other end is connected with grid；The positive pole of electrochemical capacitor C1
It is connected with 1 pin of point-touch switch SW1, the other end is connected with the source electrode of MOS transistor Q1；The anode of voltage-regulator diode ZD1 with
The source electrode of MOS transistor Q1 is connected, and the other end is connected with 1 pin of point-touch switch SW1；The anode and MOS of counnter attack diode D3
The source electrode of transistor is connected, the controllable pole of negative electrode and SCR Q2（G）It is connected；Filter capacitor C3, divider resistance R4 are connected in parallel
The controllable pole of SCR Q2（G）Between negative electrode, this partial circuit forms the drive circuit of SCR pipes Q2.
As preferred, the negative pole and IGCT of negative battery group BAT2（Abbreviation SCR）The negative electrode of Q4 is connected；Current-limiting resistance
One end of R19 is connected with the anode of SCR Q4, and the other end is connected with the negative electrode of counnter attack diode D18；The anode of diode D4 with
The negative pole of the negative BUS electric capacity C111 of 1# power models is connected；One end of current-limiting resistance R20 is connected with the anode of SCR Q4, another
End is connected with the negative electrode of counnter attack diode D19, the negative pole of the anode of diode D19 and the negative BUS electric capacity C112 of 2# power models
It is connected；The positive pole of negative battery group BAT2 and the negative pole of BUS electric capacity C111, C112 are connected with zero line N, and this partial circuit is constituted
The main circuit of negative soft of BUS, it is possible to achieve soft function of two negative BUS of module；
Counnter attack diode D15 anodes are connected with the anode of SCR Q4, and negative electrode is connected with current-limiting resistance R15 one end, current-limiting resistance R15
The other end be connected with the drain electrode of MOS transistor Q3；The anode of counnter attack diode D16 is connected with the anode of SCR Q4, negative electrode with
Current-limiting resistance R16 one end is connected, and the other end of current-limiting resistance R16 is connected with 4 pin of point-touch switch SW1；Point-touch switch SW1
3 pin be connected with the grid of MOS transistor Q3；The positive pole of electrochemical capacitor C4 is connected with the grid of MOS transistor Q3, negative pole and source
Extremely it is connected；One end of divider resistance R17 is connected with the grid of MOS transistor Q3, and the other end is connected with source electrode；Voltage-regulator diode
The anode of ZD3 is connected with the source electrode of MOS transistor Q3, and the other end is connected with grid；The positive pole of electrochemical capacitor C5 is opened with point contact type
4 pin for closing SW1 are connected, and the other end is connected with the source electrode of MOS transistor Q3；The anode of voltage-regulator diode ZD4 and MOS transistor Q3
Source electrode be connected, the other end is connected with 4 pin of point-touch switch SW1；The anode of counnter attack diode D17 and the source of MOS transistor
Extremely it is connected, the controllable pole of negative electrode and SCR Q2（G）It is connected；What filter capacitor C6, divider resistance R18 were connected in SCR Q4 in parallel can
Between control pole and negative electrode, this partial circuit forms the drive circuit of SCR pipes Q4.
The present invention has advantages below compared to existing technology：Modular UPS multiple power model battery simultaneously can be realized
Cold start-up, safely and fast realizes soft function of BUS；Circuit structure is simple simultaneously, and scalability is strong；User is simple to operate.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is circuit theory diagrams of the invention；
Fig. 2 is the circuit diagram of one embodiment of Modular UPS battery cold start-up circuit of the invention；
Fig. 3 is second circuit diagram of embodiment of Modular UPS battery cold start-up circuit of the invention；
In Fig. 1, battery pack（1）, IGCT（2）, drive circuit（3）, current-limiting resistance（4）, backward dioded（5）, BUS electrolysis electricity
Hold（6）, current-limiting resistance（7）, backward dioded（8）, BUS electrochemical capacitors（9）.
Specific embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed implementation method and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
As shown in figure 1, IGCT（2）Play a part of the whole connecting and disconnecting of the circuit of control, it is necessary to be equipped with corresponding drive circuit
（3）Could work；Battery pack（1）Positive pole and IGCT（2）Anode is connected, current-limiting resistance（4）One end and IGCT（2）The moon
Extremely it is connected, the other end and backward dioded（5）Anode be connected, BUS electrochemical capacitors（6）Positive pole and backward dioded（5）'s
Negative electrode is connected, other end negative pole and battery pack（1）Negative pole be connected, be composed in series first via battery cold start-up circuit；Current limliting electricity
Resistance（7）One end and IGCT（2）Negative electrode be connected, the other end and backward dioded（8）Anode be connected, BUS electrochemical capacitors（9）
Positive pole and backward dioded（8）Negative electrode be connected, other end negative pole and battery pack（1）Negative pole be connected, be composed in series second
Road battery cold start-up circuit；When needs more multichannel battery cold start-up circuit（10）When, directly and IGCT（2）Negative electrode.
As shown in Fig. 2 one embodiment, the positive pole and IGCT of positive battery group BAT1（Abbreviation SCR）The anode phase of Q2
Even；One end of current-limiting resistance R5 is connected with the negative electrode of SCR Q2, and the other end is connected with the anode of counnter attack diode D4；Diode
The negative electrode of D4 is connected with the positive pole of the positive BUS electric capacity C101 of 1# power models；One end of current-limiting resistance R6 and the negative electrode of SCR Q2
Connection, the other end is connected with the anode of counnter attack diode D5, the negative electrode of diode D5 and the positive BUS electric capacity of 2# power models
The positive pole of C102 is connected；The negative pole of the negative pole of positive battery group BAT1 and positive BUS electric capacity C101, C102 is connected with zero line N, this portion
Parallel circuit constitutes the main circuit of soft of positive BUS, it is possible to achieve soft function of two positive BUS of module；
The drive circuit is connected including counnter attack diode D1 anodes with the positive pole of positive battery group, negative electrode and current-limiting resistance R1 one end
It is connected, the other end of current-limiting resistance R1 is connected with the drain electrode of MOS transistor Q1；The anode of counnter attack diode D2 and positive battery group
Positive pole is connected, and negative electrode is connected with current-limiting resistance R2 one end, and the other end of current-limiting resistance R2 is connected with 1 pin of point-touch switch SW1；
2 pin of point-touch switch SW1 are connected with the grid of MOS transistor Q1；The positive pole of electrochemical capacitor C2 and the grid of MOS transistor Q1
It is connected, negative pole is connected with source electrode；One end of divider resistance R3 is connected with the grid of MOS transistor Q1, and the other end is connected with source electrode；
The anode of voltage-regulator diode ZD2 is connected with the source electrode of MOS transistor Q1, and the other end is connected with grid；The positive pole of electrochemical capacitor C1
It is connected with 1 pin of point-touch switch SW1, the other end is connected with the source electrode of MOS transistor Q1；The anode of voltage-regulator diode ZD1 with
The source electrode of MOS transistor Q1 is connected, and the other end is connected with 1 pin of point-touch switch SW1；The anode and MOS of counnter attack diode D3
The source electrode of transistor is connected, the controllable pole of negative electrode and SCR Q2（G）It is connected；Filter capacitor C3, divider resistance R4 are connected in parallel
The controllable pole of SCR Q2（G）Between negative electrode, this partial circuit forms the drive circuit of SCR pipes Q2.
In the present first embodiment, after point-touch switch SW1 is pressed, 1 pin and 2 pin are turned on, and cell voltage passes through two poles
Pipe D2 and resistance R2 is charged to electrochemical capacitor C2 and 16V or so is arrived in voltage stabilizing, drives MOS transistor Q1 conductings, now cell voltage
By diode D1, resistance R1, metal-oxide-semiconductor Q1, diode D3, a positive trigger voltage is input into SCR Q2, turned it on；This
When cell voltage charged soft to positive BUS electric capacity C101 by current-limiting resistance R5, diode D4 by the tunnels of SCR Q2 mono-；Another road
Charged soft to positive BUS electric capacity C102 by current-limiting resistance R6, diode D5；So that capacitance voltage is eventually equal to cell voltage.
As shown in figure 3, second embodiment, the negative pole and IGCT of negative battery group BAT2（Abbreviation SCR）The negative electrode phase of Q4
Even；One end of current-limiting resistance R19 is connected with the anode of SCR Q4, and the other end is connected with the negative electrode of counnter attack diode D18；Two poles
The anode of pipe D4 is connected with the negative pole of the negative BUS electric capacity C111 of 1# power models；One end of current-limiting resistance R20 and the sun of SCR Q4
Pole connects, and the other end is connected with the negative electrode of counnter attack diode D19, and the anode of diode D19 is electric with the negative BUS of 2# power models
The negative pole for holding C112 is connected；The positive pole of negative battery group BAT2 and the negative pole of BUS electric capacity C111, C112 are connected with zero line N, this portion
Parallel circuit constitutes the main circuit of soft of negative BUS, it is possible to achieve soft function of two negative BUS of module；
Counnter attack diode D15 anodes are connected with the anode of SCR Q4, and negative electrode is connected with current-limiting resistance R15 one end, current-limiting resistance R15
The other end be connected with the drain electrode of MOS transistor Q3；The anode of counnter attack diode D16 is connected with the anode of SCR Q4, negative electrode with
Current-limiting resistance R16 one end is connected, and the other end of current-limiting resistance R16 is connected with 4 pin of point-touch switch SW1；Point-touch switch SW1
3 pin be connected with the grid of MOS transistor Q3；The positive pole of electrochemical capacitor C4 is connected with the grid of MOS transistor Q3, negative pole and source
Extremely it is connected；One end of divider resistance R17 is connected with the grid of MOS transistor Q3, and the other end is connected with source electrode；Voltage-regulator diode
The anode of ZD3 is connected with the source electrode of MOS transistor Q3, and the other end is connected with grid；The positive pole of electrochemical capacitor C5 is opened with point contact type
4 pin for closing SW1 are connected, and the other end is connected with the source electrode of MOS transistor Q3；The anode of voltage-regulator diode ZD4 and MOS transistor Q3
Source electrode be connected, the other end is connected with 4 pin of point-touch switch SW1；The anode of counnter attack diode D17 and the source of MOS transistor
Extremely it is connected, the controllable pole of negative electrode and SCR Q2（G）It is connected；What filter capacitor C6, divider resistance R18 were connected in SCR Q4 in parallel can
Between control pole and negative electrode, this partial circuit forms the drive circuit of SCR pipes Q4.
In this second embodiment, when point-touch switch SW1 is pressed, 3 pin are also switched on 4 pin, and cell voltage passes through
Diode D16 and resistance R16 is charged to electrochemical capacitor C4 and 16V or so is arrived in voltage stabilizing, drives MOS transistor Q3 conductings, now electricity
Cell voltage is input into a positive trigger voltage by diode D15, resistance R15, metal-oxide-semiconductor Q3, diode D17 to SCR Q4, makes
Its conducting；Now cell voltage fills to negative BUS electric capacity C111 by current-limiting resistance R19, diode D18 all the way by SCR Q4
Soft of electricity, another road charges soft to negative BUS electric capacity C112 by current-limiting resistance R20, diode D19；So that capacitance voltage is most
Cell voltage is equal to eventually.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (3)
1. a kind of Modular UPS battery cold start-up circuit, it is characterised in that battery pack（1）Positive pole and IGCT（2）Anode phase
Even, the IGCT（2）Controllable pole connection drive circuit（3）, current-limiting resistance（4）One end and IGCT（2）Negative electrode be connected,
The other end and backward dioded（5）Anode be connected, BUS electrochemical capacitors（6）Positive pole and backward dioded（5）Negative electrode phase
Even, other end negative pole and battery pack（1）Negative pole be connected, be composed in series first via battery cold start-up circuit；Current-limiting resistance（7）One
End and IGCT（2）Negative electrode be connected, the other end and backward dioded（8）Anode be connected, BUS electrochemical capacitors（9）Positive pole
With backward dioded（8）Negative electrode be connected, other end negative pole and battery pack（1）Negative pole be connected, be composed in series the second road battery
Cold start-up circuit；When needs more multichannel battery cold start-up circuit（10）When, directly and IGCT（2）Negative electrode.
2. a kind of Modular UPS battery cold start-up circuit according to claim 1, it is characterised in that：Positive battery group BAT1
Positive pole and IGCT（Abbreviation SCR）The anode of Q2 is connected；One end of current-limiting resistance R5 is connected with the negative electrode of SCR Q2, the other end
Anode with counnter attack diode D4 is connected；The positive pole phase of the negative electrode of diode D4 and the positive BUS electric capacity C101 of 1# power models
Even；One end of current-limiting resistance R6 is connected with the negative electrode of SCR Q2, and the other end is connected with the anode of counnter attack diode D5, diode
The negative electrode of D5 is connected with the positive pole of the positive BUS electric capacity C102 of 2# power models；The negative pole of positive battery group BAT1 and positive BUS electric capacity
The negative pole of C101, C102 is connected with zero line N, and this partial circuit constitutes the main circuit of soft of positive BUS, it is possible to achieve two moulds
Soft function of positive BUS of block；
The drive circuit is connected including counnter attack diode D1 anodes with the positive pole of positive battery group, negative electrode and current-limiting resistance R1 one end
It is connected, the other end of current-limiting resistance R1 is connected with the drain electrode of MOS transistor Q1；The anode of counnter attack diode D2 and positive battery group
Positive pole is connected, and negative electrode is connected with current-limiting resistance R2 one end, and the other end of current-limiting resistance R2 is connected with 1 pin of point-touch switch SW1；
2 pin of point-touch switch SW1 are connected with the grid of MOS transistor Q1；The positive pole of electrochemical capacitor C2 and the grid of MOS transistor Q1
It is connected, negative pole is connected with source electrode；One end of divider resistance R3 is connected with the grid of MOS transistor Q1, and the other end is connected with source electrode；
The anode of voltage-regulator diode ZD2 is connected with the source electrode of MOS transistor Q1, and the other end is connected with grid；The positive pole of electrochemical capacitor C1
It is connected with 1 pin of point-touch switch SW1, the other end is connected with the source electrode of MOS transistor Q1；The anode of voltage-regulator diode ZD1 with
The source electrode of MOS transistor Q1 is connected, and the other end is connected with 1 pin of point-touch switch SW1；The anode and MOS of counnter attack diode D3
The source electrode of transistor is connected, the controllable pole of negative electrode and SCR Q2（G）It is connected；Filter capacitor C3, divider resistance R4 are connected in parallel
The controllable pole of SCR Q2（G）Between negative electrode, this partial circuit forms the drive circuit of SCR pipes Q2.
3. a kind of Modular UPS battery cold start-up circuit according to claim 1, it is characterised in that：Negative battery group BAT2
Negative pole and IGCT（Abbreviation SCR）The negative electrode of Q4 is connected；One end of current-limiting resistance R19 is connected with the anode of SCR Q4, another
End is connected with the negative electrode of counnter attack diode D18；The negative pole of the anode of diode D4 and the negative BUS electric capacity C111 of 1# power models
It is connected；One end of current-limiting resistance R20 is connected with the anode of SCR Q4, and the other end is connected with the negative electrode of counnter attack diode D19, and two
The anode of pole pipe D19 is connected with the negative pole of the negative BUS electric capacity C112 of 2# power models；Positive pole and the BUS electricity of negative battery group BAT2
The negative pole for holding C111, C112 is connected with zero line N, and this partial circuit constitutes the main circuit of soft of negative BUS, it is possible to achieve two
Soft function of negative BUS of module；
Counnter attack diode D15 anodes are connected with the anode of SCR Q4, and negative electrode is connected with current-limiting resistance R15 one end, current-limiting resistance R15
The other end be connected with the drain electrode of MOS transistor Q3；The anode of counnter attack diode D16 is connected with the anode of SCR Q4, negative electrode with
Current-limiting resistance R16 one end is connected, and the other end of current-limiting resistance R16 is connected with 4 pin of point-touch switch SW1；Point-touch switch SW1
3 pin be connected with the grid of MOS transistor Q3；The positive pole of electrochemical capacitor C4 is connected with the grid of MOS transistor Q3, negative pole and source
Extremely it is connected；One end of divider resistance R17 is connected with the grid of MOS transistor Q3, and the other end is connected with source electrode；Voltage-regulator diode
The anode of ZD3 is connected with the source electrode of MOS transistor Q3, and the other end is connected with grid；The positive pole of electrochemical capacitor C5 is opened with point contact type
4 pin for closing SW1 are connected, and the other end is connected with the source electrode of MOS transistor Q3；The anode of voltage-regulator diode ZD4 and MOS transistor Q3
Source electrode be connected, the other end is connected with 4 pin of point-touch switch SW1；The anode of counnter attack diode D17 and the source of MOS transistor
Extremely it is connected, the controllable pole of negative electrode and SCR Q2（G）It is connected；What filter capacitor C6, divider resistance R18 were connected in SCR Q4 in parallel can
Between control pole and negative electrode, this partial circuit forms the drive circuit of SCR pipes Q4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611093727.4A CN106787700A (en) | 2016-12-02 | 2016-12-02 | A kind of Modular UPS battery cold start-up circuit |
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| CN201611093727.4A CN106787700A (en) | 2016-12-02 | 2016-12-02 | A kind of Modular UPS battery cold start-up circuit |
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| CN106787700A true CN106787700A (en) | 2017-05-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193921A (en) * | 2018-09-27 | 2019-01-11 | 深圳市英威腾电源有限公司 | A kind of cold start-up circuit and device for UPS host |
| CN116430269A (en) * | 2023-04-10 | 2023-07-14 | 安徽博微智能电气有限公司 | Health assessment and fault prediction management system and method for UPS (uninterrupted Power supply) |
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| CN102497009A (en) * | 2011-12-19 | 2012-06-13 | 广东易事特电源股份有限公司 | Bus soft start circuit of uninterrupted power supply, and method for the same |
| CN204216780U (en) * | 2014-11-14 | 2015-03-18 | 广东易事特电源股份有限公司 | A kind of DC bus soft start circuit of uninterrupted power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109193921A (en) * | 2018-09-27 | 2019-01-11 | 深圳市英威腾电源有限公司 | A kind of cold start-up circuit and device for UPS host |
| CN116430269A (en) * | 2023-04-10 | 2023-07-14 | 安徽博微智能电气有限公司 | Health assessment and fault prediction management system and method for UPS (uninterrupted Power supply) |
| CN116430269B (en) * | 2023-04-10 | 2023-09-19 | 安徽博微智能电气有限公司 | Health assessment and fault prediction management system and method for UPS (uninterrupted Power supply) |
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Application publication date: 20170531 |