CN106803732A - Energy transfer controller and application method - Google Patents
Energy transfer controller and application method Download PDFInfo
- Publication number
- CN106803732A CN106803732A CN201710216225.4A CN201710216225A CN106803732A CN 106803732 A CN106803732 A CN 106803732A CN 201710216225 A CN201710216225 A CN 201710216225A CN 106803732 A CN106803732 A CN 106803732A
- Authority
- CN
- China
- Prior art keywords
- energy transfer
- transfer controller
- frequency
- common bus
- frequency converter
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
Abstract
Energy transfer controller and application method are a kind of power-saving techniques, it solves the problem in current technology, it includes input-output power control system, data acquisition and analysis system, control system, secondary power system, the data acquisition and analysis system, control system, secondary power system constitute a program control module, and acquisition analysis system, control system, secondary power system are connected respectively in this program control module;The input-output power control system is connected with program control module;Described energy transfer controller one end is connected with frequency changer direct current bus, and its other end is connected with system common bus;The energy transfer controller is multiple, and one end of its multiple energy transfer controller is connected with multiple frequency converters by frequency changer direct current bus respectively, and the other end of multiple energy transfer controllers is connected with system common bus respectively.
Description
Technical field:The present invention relates to power-saving technique, especially energy transfer controller and application method.
Background technology:When traditional frequency conversion device motor runs, especially under potential energy area off-center operation state, motor institute
The regenerative electric energy of generation is very uneconomical using form, and usually following two mode processes this part electric energy;By on frequency converter
Braking resistor this part electric energy is directly consumed, method is most simple, but causes waste of energy;By four-quadrant frequency converter or energy
Amount feedback unit by this direct feedback grid of part electric energy, this mode can cause grid supply quality to decline, surge voltage into
Divide and increase, and four-quadrant frequency converter and energy feedback unit involve great expense in itself.
Research shows:The regeneration energy of feedback during uneven dragging system generating state is accounted for during system whole service
8%-the 40% of consumption gross energy, if can recycling is got up on the spot by this portion of energy, it will produce huge economic effect
Benefit and social benefit.
The content of the invention:Mutually transfer is carried out it is an object of the invention to provide motoring condition and regenerative electric energy state energy to utilize
Energy transfer controller and application method, it solves the problem in current technology, and the object of the present invention is achieved like this,
It includes input-output power control system, data acquisition and analysis system, control system, secondary power system, and the data are adopted
Set analysis system, control system, secondary power system constitute a program control module, in this program control module acquisition analysis system,
Control system, secondary power system are connected respectively.
The input-output power control system is connected with program control module.
Described energy transfer controller one end is connected with frequency changer direct current bus, and its other end connects with system common bus
Connect.
The energy transfer controller is multiple, one end of its multiple energy transfer controller respectively with multiple frequency converters by
Frequency changer direct current bus are connected, and the other end of multiple energy transfer controllers is connected with system common bus respectively.
First frequency converter and the first energy transfer controller input are in parallel, the first energy transfer controller output end
It is in parallel with system common bus;Similarly, the second frequency converter and the second energy transfer controller input are in parallel, the second energy transfer
Controller output end is in parallel with system common bus;3rd frequency converter and the 3rd energy transfer controller input are in parallel, and the 3rd
Energy transfer controller output end is in parallel with system common bus, and N frequency converters and N energy transfer controllers input are in parallel, N energy
Amount branch controller output end is in parallel with system common bus, material is thus formed one by more than Liang Tai and two frequency conversion tank group
Into the regenerative electric energy local micro grid control system that is reused of transfer.
Application method of the invention is, the present apparatus must by Liang Tai and two to be applied in upconverter, converting operation
During, when the motor that certain frequency converter is driven is operated under generating state, frequency changer direct current bus voltage will necessarily be caused
Raise, when it is high to a certain extent after, it is public that the unnecessary electricity in this part can be transferred to system by the energy transfer controller in system
On common bus.Now just it is being operated in the motor under motoring condition, it is possible to which the energy transfer carried by itself frequency conversion tank is controlled
Device and frequency converter are by this part electricity using falling;Secondary power system is data analysis system, control system provides stable electricity
Source, data acquisition and analysis system is mainly responsible for the situation of change of frequency changer direct current bus voltage in monitoring frequency-conversion control cabinet, works as mother
Line voltage it is high to setting value when, control system will provide instruction, input-output power control system closure switch, energy transfer
Will be transferred to the unnecessary electricity in this part on system common bus by controller;System common bus voltage is raised, and passes through
Anti- diode simultaneously on the energy transfer controller in motoring condition frequency conversion tank is just being operated in, inflow just sets in the frequency converter of power consumption
It is standby upper, so as to reduce the frequency converter to power network power taking, reach the energy-conservation purpose that regenerative electric energy transfer is reused;
After the frequency converter under generating state walks unnecessary electric energy transfer, its frequency changer direct current bus voltage can decline, and drop to
After the lower limit of setting, input-output power control system switch can be backed off again, so as to realize well and other changes
The isolation of frequency device, makes it not influence each other;It is public that unnecessary regenerative electric energy can be transferred to system by energy transfer controller
On bus, just it is being operated in the frequency converter of motoring condition and regeneration electricity is being drawn from system common bus by energy transfer controller
Can, so as to reach energy-saving purpose, while protecting each frequency-conversion control cabinet safe and stable operation.
Meaning of the present invention is:The situation that the present invention is applied to multiple motors, multiple frequency converters work simultaneously, multiple horses
The meeting having when being worked up to, multiple frequency converter simultaneously generates electricity, some meeting power consumptions;What the present apparatus can be sent out motor by common bus
Electrotransfer to just on the motor of electricity consumption, so as to reduce frequency converter from power network power taking with up to energy-conservation purpose, while protecting frequency conversion
The normal operation of switch board.
Brief description of the drawings:Fig. 1 is the structural representation of energy transfer controller, 1 in figure, input-output power control system
2nd, data acquisition and analysis system 3, control system 4, secondary power system 5, frequency changer direct current bus 6, system are public
Bus.
Fig. 2 is the line map of energy transfer controller, 5, frequency changer direct current bus 6, system common bus in figure
7th, the first energy transfer controller 8, the second energy transfer controller 9, the 3rd energy transfer controller 10, N energy turn
Shift controller 11, the first frequency converter 12, the second frequency converter 13, the 3rd frequency converter 14, N frequency converters.
Specific embodiment:Embodiment 1, the present invention include input-output power control system 1, data acquisition and analysis system 2, control
System processed 3, secondary power system 4, the data acquisition and analysis system 2, control system 3, secondary power system 4 constitute a journey
Control module, acquisition analysis system 2, control system 3, secondary power system 4 are connected respectively in this program control module.
Embodiment 2, the input-output power control system 1 are connected with program control module.
Embodiment 3, described energy transfer controller one end are connected with frequency changer direct current bus 5, and its other end is public with system
Common bus 6 is connected.
Embodiment 4, the energy transfer controller are multiple, one end of its multiple energy transfer controller respectively with multiple
Frequency converter is connected by frequency changer direct current bus 5, and the other end of multiple energy transfer controllers connects with system common bus 6 respectively
Connect.
Embodiment 5, the input of 11 and first energy transfer controller of the first frequency converter 7 are in parallel, the first energy transfer
The output end of controller 7 is in parallel with system common bus 6;Similarly, the second frequency converter 12 and the input of the second energy transfer controller 8
Parallel connection, the output end of the second energy transfer controller 8 is in parallel with system common bus 6;3rd frequency converter 13 and the 3rd energy transfer
The input of controller 9 is in parallel, and the output end of the 3rd energy transfer controller 9 is in parallel with system common bus 6, N frequency converters 14 and N energy
Amount branch controller 10 input is in parallel, and the output end of N energy transfer controllers 10 is in parallel with system common bus 6, thus shape
Into the local micro grid control system that a regenerative electric energy transfer being made up of more than Liang Tai and two frequency conversion tank is reused.
Embodiment 6, application method of the invention be, the present apparatus must by Liang Tai and two to be applied in upconverter,
During converting operation, when the motor that certain frequency converter is driven is operated under generating state, frequency converter direct current will necessarily be caused
The voltage of bus 5 is raised, when it is high to a certain extent after, the energy transfer controller in system can be by the unnecessary electricity transfer in this part
Onto system common bus 6;Now just it is being operated in the motor under motoring condition, it is possible to the energy carried by itself frequency conversion tank
Branch controller and frequency converter are by this part electricity using falling;
Secondary power system 4 is data analysis system 2, the power supply of the offer stabilization of control system 3, and data acquisition and analysis system 2 is led
Be responsible for monitor frequency-conversion control cabinet in the voltage of frequency changer direct current bus 5 situation of change, when busbar voltage it is high to setting value when, control
System processed 3 will provide instruction, and the closure switch of input-output power control system 1, energy transfer controller will be by this part
Unnecessary electricity is transferred on system common bus 6;The voltage of system common bus 6 is raised, by being just operated in motoring condition
Anti- diode simultaneously on energy transfer controller in frequency conversion tank, flows into just on the frequency converter equipment of power consumption, so as to reduce
The frequency converter has reached the purpose of energy-conservation to power network power taking;
After the frequency converter under generating state walks unnecessary electric energy transfer, its voltage of frequency changer direct current bus 5 can decline, and drop to
After the lower limit of setting, the switch of input-output power control system 1 can be backed off again, so as to realize well and other changes
The isolation of frequency device, makes it not influence each other;
Unnecessary regenerative electric energy can be transferred on system common bus 6 by energy transfer controller, be just operated in electronic shape
The frequency converter of state draws regenerative electric energy by energy transfer controller from system common bus 6, energy-saving so as to reach
Purpose, while protecting each frequency-conversion control cabinet safe and stable operation.
Claims (6)
1. energy transfer controller, it includes input-output power control system(1), data acquisition and analysis system(2), control system
System(3), secondary power system(4), it is characterized in that:The data acquisition and analysis system(2), control system(3), accessory power supply system
System(4)One program control module of composition, the acquisition analysis system in this program control module(2), control system(3), secondary power system
(4)Connect respectively.
2. energy transfer controller according to claim 1, it is characterized in that:The input-output power control system(1)
It is connected with program control module.
3. energy transfer controller according to claim 1, it is characterized in that:Described energy transfer controller one end and frequency conversion
Device dc bus(5)Connection, its other end and system common bus(6)Connection.
4. the energy transfer controller according to claim 1 or 3, it is characterized in that:The energy transfer controller is multiple,
One end of its multiple energy transfer controller is respectively with multiple frequency converters by frequency changer direct current bus(5)Connection, multiple energy turn
The other end of shift controller respectively with system common bus(6)Connection.
5. the energy transfer controller according to claim 1 or 4, it is characterized in that:First frequency converter(11)With first
Energy transfer controller(7)Input is in parallel, the first energy transfer controller(7)Output end and system common bus(6)It is in parallel;
Similarly, the second frequency converter(12)With the second energy transfer controller(8)Input is in parallel, the second energy transfer controller(8)It is defeated
Go out end and system common bus(6)It is in parallel;3rd frequency converter(13)With the 3rd energy transfer controller(9)Input is in parallel, the
Three energy transfer controllers(9)Output end and system common bus(6)Parallel connection, N frequency converters(14)With N energy transfer controllers
(10)Input is in parallel, N energy transfer controllers(10)Output end and system common bus(6)Parallel connection, material is thus formed one
The local micro grid control system that the individual regenerative electric energy transfer being made up of more than Liang Tai and two frequency conversion tank is reused.
6. the application method of energy transfer controller according to claim 1, it is characterized in that:The present apparatus must by two and
Two to be applied in upconverter, during converting operation, when the motor that certain frequency converter is driven is operated under generating state,
Frequency changer direct current bus will necessarily be caused(5)Voltage is raised, when it is high to a certain extent after, the energy transfer controller meeting in system
The unnecessary electricity in this part is transferred to system common bus(6)On;Now just it is being operated in the motor under motoring condition, it is possible to
The energy transfer controller carried by itself frequency conversion tank and frequency converter are by this part electricity using falling;
Secondary power system(4)It is data analysis system(2), control system(3)The power supply of stabilization, data collection and analysis system are provided
System(2)It is main to be responsible for frequency changer direct current bus in monitoring frequency-conversion control cabinet(5)The situation of change of voltage, works as frequency changer direct current bus
(5)Voltage it is high to setting value when, control system(3)Instruction, input-output power control system will be given(1)Closure switch,
The unnecessary electricity in this part will be transferred to system common bus by energy transfer controller(6)On;System common bus(6)Electricity
Pressure is raised, and by being just operated in anti-diode simultaneously on the energy transfer controller in motoring condition frequency conversion tank, flows into
On the frequency converter equipment of power consumption, so as to reduce the frequency converter to power network power taking, the purpose of energy-conservation has been reached;
After the frequency converter under generating state walks unnecessary electric energy transfer, its frequency changer direct current bus(5)Voltage can decline, and fall
To after the lower limit of setting, input-output power control system(1)Switch can be backed off again, so as to realize well and it
The isolation of its frequency converter, makes it not influence each other;
Unnecessary regenerative electric energy can be transferred to system common bus by energy transfer controller(6)On, just it is being operated in electronic
The frequency converter of state is by energy transfer controller from system common bus(6)Upper absorption regenerative electric energy, so as to reach energy-conservation drop
The purpose of consumption, while protecting each frequency-conversion control cabinet safe and stable operation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710216225.4A CN106803732A (en) | 2017-04-05 | 2017-04-05 | Energy transfer controller and application method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710216225.4A CN106803732A (en) | 2017-04-05 | 2017-04-05 | Energy transfer controller and application method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106803732A true CN106803732A (en) | 2017-06-06 |
Family
ID=58981784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710216225.4A Pending CN106803732A (en) | 2017-04-05 | 2017-04-05 | Energy transfer controller and application method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106803732A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111095774A (en) * | 2017-10-12 | 2020-05-01 | 范德威尔公司 | Textile machine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101141112A (en) * | 2007-10-16 | 2008-03-12 | 谢步明 | Common DC bus based multi-frequency converter system for vessel |
CN103407446A (en) * | 2013-08-29 | 2013-11-27 | 江苏大学 | Hybrid power vehicle chassis energy regeneration system and method |
CN203319420U (en) * | 2013-06-26 | 2013-12-04 | 重庆亮康光电科技有限公司 | Renewable electric energy group control scheduling electricity-saving system of elevator |
CN203827170U (en) * | 2014-05-12 | 2014-09-10 | 江苏新瑞峰信息科技有限公司 | Circuit device possessing frequency transformer soft startup circuit and energy consumption braking circuit |
CN105858369A (en) * | 2016-06-15 | 2016-08-17 | 湖南耐普恩科技有限公司 | Energy-saving control system of elevator |
-
2017
- 2017-04-05 CN CN201710216225.4A patent/CN106803732A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101141112A (en) * | 2007-10-16 | 2008-03-12 | 谢步明 | Common DC bus based multi-frequency converter system for vessel |
CN203319420U (en) * | 2013-06-26 | 2013-12-04 | 重庆亮康光电科技有限公司 | Renewable electric energy group control scheduling electricity-saving system of elevator |
CN103407446A (en) * | 2013-08-29 | 2013-11-27 | 江苏大学 | Hybrid power vehicle chassis energy regeneration system and method |
CN203827170U (en) * | 2014-05-12 | 2014-09-10 | 江苏新瑞峰信息科技有限公司 | Circuit device possessing frequency transformer soft startup circuit and energy consumption braking circuit |
CN105858369A (en) * | 2016-06-15 | 2016-08-17 | 湖南耐普恩科技有限公司 | Energy-saving control system of elevator |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111095774A (en) * | 2017-10-12 | 2020-05-01 | 范德威尔公司 | Textile machine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204156591U (en) | Elevator emergency energy saver | |
WO2011124605A3 (en) | Method for leakage current control in a inverter system | |
CN105375519A (en) | Grid-connected photovoltaic power generation system and control method therefor | |
CN104333033A (en) | Power distribution system and power distribution method | |
CN109455589A (en) | Elevator device | |
CN106803732A (en) | Energy transfer controller and application method | |
CN100468909C (en) | External multi-energy distribution energy-saving system for oil field pumping unit | |
CN201071232Y (en) | Elevator control gear with electrical energy feedback function | |
CN202616774U (en) | Simple DC power supply current-sharing parallel system | |
CN202997590U (en) | Elevator energy recovery system | |
CN201190207Y (en) | Power-down synchronization controller of roving frame | |
CN210297270U (en) | Energy recovery device and elevator | |
CN202172280U (en) | Generator parallel system used as stand-by power supply | |
CN202513584U (en) | Combined energy feedback type power-saving device of multiple control lift | |
CN205105134U (en) | Many controllers system and be used for electrical system of this many controllers system | |
CN203026943U (en) | Mixed load power saving device and power supply system | |
CN203119773U (en) | A current-converting and energy-storing control device of an off-grid wind turbine generator system | |
CN206302164U (en) | Energy conserving system is mutually presented in a kind of oil pumper frequency conversion team control | |
CN203911485U (en) | Bypass device of power unit of static var generator | |
CN202888951U (en) | Emergency power supply device reconstructed through frequency converter | |
CN202564971U (en) | Energy regeneration system of frequency converter aging test link | |
CN203319420U (en) | Renewable electric energy group control scheduling electricity-saving system of elevator | |
CN201190055Y (en) | Elevator group controller | |
CN203319493U (en) | Regenerated electric energy feedback power-saving system for escalators | |
CN203014689U (en) | Power supply management device and complete machine cabinet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |