CN107070230A - A kind of three-phase 380V inputs High Power Factor high pressure purge supply unit peculiar to vessel - Google Patents
A kind of three-phase 380V inputs High Power Factor high pressure purge supply unit peculiar to vessel Download PDFInfo
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- CN107070230A CN107070230A CN201611247103.3A CN201611247103A CN107070230A CN 107070230 A CN107070230 A CN 107070230A CN 201611247103 A CN201611247103 A CN 201611247103A CN 107070230 A CN107070230 A CN 107070230A
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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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33561—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having more than one ouput with independent control
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4216—Arrangements for improving power factor of AC input operating from a three-phase input voltage
-
- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a kind of three-phase 380V inputs High Power Factor high pressure purge supply unit peculiar to vessel, including triphase single-switch PFC power cells, double tube positive exciting DC DC power conversion units, high frequency transformer, voltage multiplying rectifier power cell, the monitoring unit based on ARM, can produce can adjust, the 12kV high direct voltages of voltage limit, threshold currents export to purify air, the power factor of three-phase input power supply significantly reduces net side input reactive loss and harmonic wave interference up to more than 0.95 when operating at full capacity simultaneously；When short circuit occurs for high-voltage load side, the high pressure purge supply unit can automatically cut off protection within the Microsecond grade time, and restart automatically after short trouble disappearance.In addition, the high pressure purge supply unit also can in real time be monitored to the running status of each power cell, and transmit operational factor, fault message etc. by CAN network superior monitoring system, while receiving the switch command that higher level's monitoring system is sent.
Description
Technical field
High-voltage electrostatic purification power technique fields, specifically a kind of three-phase peculiar to vessel are inputted the present invention relates to three-phase 380V peculiar to vessel
380V inputs High Power Factor high pressure purge supply unit.
Background technology
Three-phase 380V peculiar to vessel inputs High Power Factor high pressure purge supply unit, is a kind of novel intelligent high pressure purge
Supply unit, with high input power factor, high power density, without low-frequency noise, electromagnetic interference is small, reliability is high, be easy to meter
The superior functions such as calculation machine remote control.
Ship three-phase 380V input High-voltage electrostatic purifications field is still main at present using transformer low frequency boosting rectification, high frequency
The conventional power source technology such as uncontrollable rectifier, although technology maturation, but volume weight is larger, and power density is low, and low-frequency noise is larger, net
Side power factor is relatively low, serious to electric network pollution, and is not suitable with the demand of marine electrical equipment intelligent development.Therefore, high property is developed
Energy, intelligent, " green " three-phase 380V inputs High Power Factor high pressure purge supply unit peculiar to vessel are imperative.
The content of the invention
It is an object of the invention to provide a kind of three-phase 380V inputs High Power Factor high pressure purge supply unit peculiar to vessel, use
In substituting the conventional high-tension power line cleaners such as transformer low frequency boosting rectification, high frequency uncontrollable rectifier, to realize ship three-phase
380V input High-voltage electrostatic purifications field High Power Factor, high-performance, intelligentized growth requirement.
The purpose of the present invention is achieved through the following technical solutions：A kind of three-phase 380V inputs High Power Factor high pressure peculiar to vessel
Power line cleaner,
Including triphase single-switch PFC power cells, double tube positive exciting DC-DC power conversion units, high frequency transformer, times repoussage
Flow power cell, the monitoring unit based on ARM；
The triphase single-switch PFC power cells, for 380V phase three-wire three input powers to be transformed into stable direct current
800V power supplys are exported, and are used for rear class double tube positive exciting DC-DC power conversion units, while making the input power of 380V net side power supplys
Factor is up to more than 0.95, and effectively reduction net side inputs reactive loss and harmonic wave interference；
The double tube positive exciting DC-DC power conversion units, for prime triphase single-switch PFC power cells to be exported into direct current
800V power conversions are used into high frequency power impulse wave for high frequency transformer boosting；Using the power of silicon carbide power element
Converter unit, is optimal, the most novel circuit structure of current field middle low power grade DC-DC isolated variable combination properties peculiar to vessel
One of.
The high frequency transformer, for the high frequency power impulse wave liter for exporting double tube positive exciting DC-DC power conversion units
2kV or so high-frequency impulse ripple is depressed into, is used for rear class voltage multiplying rectifier power cell multiplication of voltage；
The voltage multiplying rectifier power cell, the high-frequency impulse ripple times repoussage for the 2kV that exports high frequency transformer or so
12kV DC voltages are flowed into, are used for pressure-air purification；
The monitoring unit based on ARM, is monitored, and lead in real time for the running status to each power component units
CAN network superior monitoring system transmission operational factor, fault message are crossed, while receiving higher level's monitoring system to the high pressure purge
The switch command that supply unit is sent.
Wherein, the triphase single-switch PFC power cells include three Boost high-frequency inductors, six power diodes, one
Individual carborundum high frequency power pipe and control circuit.Control circuit is made up of two kinds of circuits of Voltage loop and electric current loop, voltage loop circuit
Play a major role, output voltage passes through electric resistance partial pressure, with the error of reference voltage after amplification with triangle wave, to control
The switch motion of power tube, the generation and conditioning of PWM pulse width signals are carried out using the special integrated control chip such as UC1525；Electric current
Ring is used to prevent bus excessively stream, plays circuit current-limiting function, it does not participate in output voltage control directly；Triphase single-switch PFC electricity
Way switch set of frequency is in 40kHz, and far above mains frequency 50Hz, in a switch periods, input voltage is approximately constant, opens
During closing conducting, the voltage being added on three Boost inductance is respectively the phase voltage of each phase now, inductive current linear rise,
The current peak of each phase is proportional to each phase phase voltage instantaneous value of correspondence in the meantime, because current impulse is zero when starting, this
Their average value of sample is changed by sinusoidal rule, to realize the function of PFC.
Wherein, the double tube positive exciting DC-DC power conversion units are fast by two carborundum high frequency power pipes, two carborundum
Recovery diode, RCD buffer circuits and control circuit are constituted；Design on control circuit is into based on current type PWM control chip
UC1845 constant current constant voltage double-closed-loop control pattern；Circuit gathers current feedback signal and voltage feedback signal carries out PI regulations,
The output control signal of two control rings is input to UC1845 COMP pin simultaneously, realizes the low effectively of two path control signal；Adopt
The transient current signal for flowing through high frequency power pipe is input to UC1845 ISENSE pin by sample element, while circuit design is opened into soft
Dynamic function.
Wherein, the high frequency transformer uses the amorphous and nanocrystalline magnetically soft alloy material for meeting marine condition, and uses
Multiply and winding technologe, realize that the high-frequency impulse ripple for exporting double tube positive exciting DC-DC power conversion units boosts to 2kV or so high frequencies
The purpose of impulse wave.
Wherein, the voltage multiplying rectifier power cell is made up of 12 high-voltage diodes, 9 high-voltage capacitances, high-voltage diode
From low conduction voltage drop model, high-voltage capacitance selects low-leakage current specification.
Wherein, the monitoring unit based on ARM is by ARM, signal conditioning circuit, state isolation circuit, CAN communication circuit
Composition, realizes the real-time monitoring of supply unit running status and the communication with higher level's monitoring system.
Compared with prior art, the invention has the advantages that：
The present invention, which can be produced, to adjust, the 12kV high direct voltages of voltage limit, threshold currents are exported to purify air, simultaneously full
The power factor of three-phase input power supply significantly reduces net side input reactive loss and humorous up to more than 0.95 during load operation
Wave interference；In addition, the high pressure purge supply unit also can in real time be monitored to the running status of each power cell, and pass through
CAN network superior monitoring system transmission operational factor, fault message etc., while receiving the switch life that higher level's monitoring system is sent
Order.Compared to marine high-pressure supply units such as traditional transformer low frequency boosting rectification, high frequency uncontrollable rectifiers, with substantially excellent
Gesture, therefore had broad application prospects in ship domain.
Brief description of the drawings
Fig. 1 is triphase single-switch pfc circuit and its control circuit in the embodiment of the present invention.
Fig. 2 is current waveform on triphase single-switch PFC Boost inductance in the embodiment of the present invention.
Fig. 3 is each stage equivalent circuits of triphase single-switch PFC in the embodiment of the present invention；
In figure：(a) during T1；(b) during T2；(c) during T3；(d) during T4.
Fig. 4 is triphase single-switch PFC input phase current waveforms and M relations in the embodiment of the present invention.
Fig. 5 is double tube positive exciting DC-DC power conversion unit main circuits in the embodiment of the present invention.
Fig. 6 is double tube positive exciting DC-DC power conversion unit current regulators in the embodiment of the present invention.
Fig. 7 is double tube positive exciting DC-DC power conversion unit voltage control loops in the embodiment of the present invention.
Fig. 8 is double tube positive exciting DC-DC power conversion units UC1845 control circuits in the embodiment of the present invention.
Fig. 9 is voltage multiplying rectifier power cell in the embodiment of the present invention.
Figure 10 is that a kind of three-phase 380V peculiar to vessel input High Power Factor high pressure purge supply unit of the embodiment of the present invention is
System block diagram.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
As shown in Figure 10, the embodiments of the invention provide a kind of three-phase 380V input High Power Factors high pressure purge electricity peculiar to vessel
Source device,
Including triphase single-switch PFC power cells, double tube positive exciting DC-DC power conversion units, high frequency transformer, times repoussage
Flow power cell, the monitoring unit based on ARM；
Triphase single-switch pfc circuit and its control block diagram of the present invention are as shown in figure 1, triphase single-switch pfc circuit can
To regard extensions of the interrupted PFC of monophase current in three-phase circuit as.Control circuit voltage ring plays a major role, output voltage warp
Cross electric resistance partial pressure, with the error of reference voltage after amplification with triangle wave, to control the switch motion of power tube, use
The special integrated control chip such as UC1525 carries out the generation and conditioning of PWM pulse width signals；Electric current loop is used to prevent bus excessively stream, rises
To circuit current-limiting function, it does not participate in output voltage control directly.Triphase single-switch pfc circuit switching frequency is arranged on 40kHz,
Far above mains frequency 50Hz, in a switch periods, input voltage is approximately constant, during switch conduction, is added in three
Voltage on Boost inductance is respectively the phase voltage of each phase now, the current peak of inductive current linear rise, in the meantime each phase
Value is proportional to each phase phase voltage instantaneous value of correspondence, and because current impulse is zero when starting, so their average value is by sine
Rule changes, to realize the function of PFC.
If triphase single-switch PFC major parameter：Vo is output DC voltage, and D is duty cycle of switching, and fs is switch frequency
Rate, L is Boost inductance values, and M is step-up ratio, defines M=Vo/Vm, and Vm is the peak value of input phase voltage.Triphase single-switch PFC electricity
Current waveform when road works on three Boost inductance, (sets Vc as shown in Figure 2<0, Va>Vb>0).In a switch periods
Four-stage is segmented into, the switch conduction during T1, electric current ia, ib, ic are linearly increasing；Switch OFF during T2, ia, ib,
Ic starts to reduce under the collective effect of output voltage and phase voltage, and last ib terminates during being reduced to zero, T2, starts the T3 phases
Between；Last ia, ic terminate while returning to zero, the T3 stages；Zero is remained in T4 period three BOOST inductive current ia, ib, ic.
Each stage equivalent circuit, as shown in Figure 3.
Fig. 4 gives input phase current waveform and step-up ratio M relations, it can be appreciated that in order to reduce net side input current
Distortion will improve output voltage values (output DC voltage is high, can shorten in a switch periods input current average value with
The nonlinear phase T2 and T3 of input voltage instantaneous value, thus current distortion can be reduced), although born which increase switching tube
Voltage, also increase the voltage tolerance of DC-DC converter below, the selection to Boost diodes brings difficulty, but using most
The silicon carbide power device of new science and technology achievement, its 1700V high withstand voltage can solve the above problems completely.The advantage of the circuit
It is：Simple circuit, using only a power switch pipe, control is relatively easy；Because circuit is operated under DCM, Boost diodes
Reverse-recovery problems are not present in Ds, generally can be without using absorbing circuit；Switch is turned under zero current, is switched open-minded
Loss is small；System cost is low.
Fig. 5 is double tube positive exciting DC-DC power conversion unit main circuits of the present invention, mainly by two carborundum high frequency work(
Rate pipe, two carborundum fast recovery diodes, high frequency power pipe RCD buffer circuits are constituted.Control circuital current control ring and electricity
Control ring is pressed, respectively as shown in Figure 6 and Figure 7, collection current feedback signal and voltage feedback signal carry out PI regulations, two controls
The output control signal VB of ring is input to control chip UC1845 COMP pin simultaneously, realizes the low effectively of two path control signal；
The electric current of carborundum high frequency power pipe is flowed through using sampling with high precision element sampling main circuit, instantaneous sampling signal is input to
UC1845 ISENSE pin, while circuit design is into soft start function, UC1845 control circuits are as shown in Figure 8.Using carborundum
The double tube positive exciting DC-DC power conversion units of power component, are that current field middle low power grade DC-DC isolated variables peculiar to vessel are comprehensive
Close one of best performance, most novel circuit structure.
Voltage multiplying rectifier power cell of the present invention is as shown in figure 9, main by 12 high-voltage diodes and 9 high-voltage capacitances
Composition, forms the detectability of the multiplication of voltage of high frequency transformer secondary six.It should be noted that stablizing, high-quality in order to ensure
12kV direct current outputs, high-voltage diode should select low conduction voltage drop model, and high-voltage capacitance should select low-leakage current specification.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (6)
1. a kind of three-phase 380V inputs High Power Factor high pressure purge supply unit peculiar to vessel, it is characterised in that：
Including triphase single-switch PFC power cells, double tube positive exciting DC-DC power conversion units, high frequency transformer, voltage multiplying rectifier work(
Rate unit, the monitoring unit based on ARM；
The triphase single-switch PFC power cells, for 380V phase three-wire three input powers to be transformed into stable direct current 800V
Power supply is exported, and is used for rear class double tube positive exciting DC-DC power conversion units, while making the input power factor of 380V net side power supplys
Up to more than 0.95；
The double tube positive exciting DC-DC power conversion units, for prime triphase single-switch PFC power cells to be exported into direct current 800V
Power conversion is used into high frequency power impulse wave for high frequency transformer boosting；
The high frequency transformer, the high frequency power impulse wave for double tube positive exciting DC-DC power conversion units to be exported is boosted to
2kV or so high-frequency impulse ripple, is used for rear class voltage multiplying rectifier power cell multiplication of voltage；
The voltage multiplying rectifier power cell, for the 2kV that exports high frequency transformer or so high-frequency impulse ripple voltage multiplying rectifier into
12kV DC voltages, are used for pressure-air purification；
The monitoring unit based on ARM, is monitored, and pass through in real time for the running status to each power component units
CAN network superior monitoring system transmission operational factor, fault message, while receiving higher level's monitoring system to high pressure purge electricity
The switch command that source device is sent.
2. a kind of three-phase 380V peculiar to vessel inputs High Power Factor high pressure purge supply unit as claimed in claim 1, its feature exists
In：
The triphase single-switch PFC power cells include three Boost high-frequency inductors, six power diodes, a carborundum
High frequency power pipe and control circuit；.Control circuit is made up of two kinds of circuits of Voltage loop and electric current loop, and voltage loop circuit plays main make
With, output voltage passes through electric resistance partial pressure, with the error of reference voltage after amplification with triangle wave, to control power tube
Switch motion, the generation and conditioning of PWM pulse width signals are carried out using special integrated control chip；Electric current loop is used to prevent bus mistake
Stream, plays circuit current-limiting function, it does not participate in output voltage control directly；Triphase single-switch pfc circuit switching frequency is arranged on
40kHz。
3. a kind of three-phase 380V peculiar to vessel inputs High Power Factor high pressure purge supply unit as claimed in claim 1, its feature exists
In：The double tube positive exciting DC-DC power conversion units recover two poles soon by two carborundum high frequency power pipes, two carborundum
Pipe, RCD buffer circuits and control circuit are constituted；Design on control circuit is into the constant current based on current type PWM control chip UC1845
Constant pressure double-closed-loop control pattern；Circuit gathers current feedback signal and voltage feedback signal and carries out PI regulations, two control rings
Output control signal is input to UC1845 COMP pin simultaneously, realizes the low effectively of two path control signal；Sampling element will be flowed through
The transient current signal of high frequency power pipe is input to UC1845 ISENSE pin, while circuit design is into soft start function.
4. a kind of three-phase 380V peculiar to vessel inputs High Power Factor high pressure purge supply unit as claimed in claim 1, its feature exists
In：The high frequency transformer uses the amorphous and nanocrystalline magnetically soft alloy material for meeting marine condition, and using multiply and around work
Skill, realizes that the high-frequency impulse ripple for exporting double tube positive exciting DC-DC power conversion units boosts to the mesh of 2kV or so high-frequency impulse ripples
's.
5. a kind of three-phase 380V peculiar to vessel inputs High Power Factor high pressure purge supply unit as claimed in claim 1, its feature exists
In：The voltage multiplying rectifier power cell is made up of 12 high-voltage diodes, 9 high-voltage capacitances, and high-voltage diode selects low conducting
Pressure drop model, high-voltage capacitance selects low-leakage current specification.
6. a kind of three-phase 380V peculiar to vessel inputs High Power Factor high pressure purge supply unit as claimed in claim 1, its feature exists
In：The monitoring unit based on ARM is made up of ARM, signal conditioning circuit, state isolation circuit, CAN communication circuit, is realized
The real-time monitoring of supply unit running status and the communication with higher level's monitoring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247103.3A CN107070230A (en) | 2016-12-29 | 2016-12-29 | A kind of three-phase 380V inputs High Power Factor high pressure purge supply unit peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247103.3A CN107070230A (en) | 2016-12-29 | 2016-12-29 | A kind of three-phase 380V inputs High Power Factor high pressure purge supply unit peculiar to vessel |
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| Publication Number | Publication Date |
|---|---|
| CN107070230A true CN107070230A (en) | 2017-08-18 |
Family
ID=59623558
Family Applications (1)
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|---|---|---|---|
| CN201611247103.3A Pending CN107070230A (en) | 2016-12-29 | 2016-12-29 | A kind of three-phase 380V inputs High Power Factor high pressure purge supply unit peculiar to vessel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612375A (en) * | 2017-09-22 | 2018-01-19 | 武汉亿维登科技发展有限公司 | A kind of DC power system |
| CN107888093A (en) * | 2017-10-20 | 2018-04-06 | 合肥成科电子科技有限公司 | A kind of portable multifunctional charge power supply |
| CN112104196A (en) * | 2020-09-16 | 2020-12-18 | 长兴友邦电器有限公司 | Double-closed-loop high-voltage power supply voltage regulating method based on purified current monitoring |
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| CN203691227U (en) * | 2013-12-30 | 2014-07-02 | 西安理工大学 | Big-power three-phase active power correction circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612375A (en) * | 2017-09-22 | 2018-01-19 | 武汉亿维登科技发展有限公司 | A kind of DC power system |
| CN107888093A (en) * | 2017-10-20 | 2018-04-06 | 合肥成科电子科技有限公司 | A kind of portable multifunctional charge power supply |
| CN112104196A (en) * | 2020-09-16 | 2020-12-18 | 长兴友邦电器有限公司 | Double-closed-loop high-voltage power supply voltage regulating method based on purified current monitoring |
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Application publication date: 20170818 |