CN104569702A - Testing system of unified power quality controller and testing method thereof - Google Patents
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Abstract
The invention discloses a testing system of a unified power quality controller and a testing method of the testing system. The testing system comprises an electric current perturbation generation device, a voltage disturbance generation device and a power quality monitoring system, wherein the current perturbation generation device is connected at the load side of the unified power quality controller in parallel, the wire outlet terminal of the voltage disturbance generation device is connected with the wire incoming terminal of the unified power quality controller, the wire incoming terminal of the voltage disturbance generation device is connected with the power supply of the system, the two ends of the current perturbation generation device and two ends of the voltage disturbance generation device are connected with the power quality monitoring system respectively. According to the testing system and the testing method, various working conditions of the unified power quality controller in practical application can be simulated, the power quality control function and the power quality control performance can be monitored and analyzed in real time, therefore, the purpose of comprehensively testing and analyzing the unified power quality controller can be achieved.
Description
Technical field
The present invention relates to flexible AC power transmission and distribution technology, be specifically related to a kind of test macro and method of testing thereof of Unified Power Quality Controller.
Background technology
The research of power quality control technology has huge economic and social benefit, is a focus in electric power research field.Modern industry, business and residential electricity consumption equipment, as high-performance office equipment, accurate experimental apparatus, frequency control equipment, programmable logic controller (PLC), various automatic assembly line and computer system etc. to power supply characteristic sensitive in ascendant trend year by year, the requirement of the quality of power supply is improved constantly.
Current research more widely electric energy quality controller mainly contains: reactive power compensation device (SVC and STATCOM etc.), Active Power Filter-APF (APF), dynamic electric voltage recovery device (DVR) etc.But these devices mostly only with mode connecting system that is in parallel or series connection, can only solve part power quality problem.Increasingly sophisticated along with distribution net work structure and electric load composition, the situation that various power quality problem occurs in same distribution system or in same power load simultaneously also can get more and more.If existing voltage-sensitive load has again nonlinear-load and impact load on same distribution bus, just need voltage compensating device and current compensator are installed simultaneously.If take all separately the controlling device of a type for each power quality problem, greatly will increase treatment cost, also can increase the complexity that plant running is safeguarded, and also there is cooperation problem between each device.
Therefore in the world research can solve multiple power quality problem power equipment.American Electric Power research institute (EPRI) scholar doctor N.G.Hingorani first proposed Custom Power technology in 1998, the i.e. new ideas of custom power technology or custom power technology and new technology thereof, also known as DFACTS (Distribution FlexibleAC Transmission Systems) technology.1996, Japanese scholars Akagi is in analysis " Active Power Filter-APF new trend " literary composition, propose the concept of Unified Power Quality Controller (Unified Power Quality Conditioner is called for short " UPQC ") first, also claim Unified Power Quality Controller.UPQC collecting voltage compensation system, current compensator and energy storage device, in one, can realize multiple quality of power supply regulatory function, be the emerging devices in power technology, have very high cost performance.
UPQC, as powerful electric energy quality synthesis compensation apparatus, is generally made up of side in parallel and series side: side in parallel is parallel on circuit, can realize the reactive-load compensation to circuit and harmonic compensation, has the function of STATCOM, APF; Series side is series on circuit, can realize the voltage compensation to circuit, has the function of DVR, DUPS.The series side of UPQC, side in parallel can realize respective function by independent operating after decoupling zero, also can realize unified comprehensive function by cooperation, but the testing scheme that but neither one is complete evaluate the quality of its performance.
Therefore, need the test macro proposing a kind of UPQC general utility functions, realize the test of the Steady state and transient state performance to UPQC reactive-load compensation, voltage compensation.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of test macro of Unified Power Quality Controller, described test macro comprises current disturbing generating means, voltage disturbance generating means and power quality supervisory information system, and described current disturbing generating means is connected in the load-side of described Unified Power Quality Controller; The leading-out terminal of described voltage disturbance generating means is connected to the end of incoming cables of described Unified Power Quality Controller, and described end of incoming cables is connected with system power supply; Described current disturbing generating means is connected with described power quality supervisory information system respectively with the two ends of described voltage disturbance generating means.
Preferably, described current disturbing generating means is variable current source, for testing reactive-load compensation and the harmonic wave compensation performance of described Unified Power Quality Controller.
Preferably, the electric pressure 10kV of described current disturbing generating means, max cap. 1MVA, the maximum overtone order of electric current is not less than 17 times, and load tri-phase unbalance factor 0 ~ 50% is adjustable, and power factor can be advanced, delayed and at 0 ~ 1 scope continuously adjustabe.
Preferably, described voltage disturbance generating means is variable voltage source, for testing the voltage compensation performance of described Unified Power Quality Controller.
Preferably, the electric pressure of described voltage disturbance device is 10kV, max cap. 2MVA, voltage dip descending depth be 90% ~ 50% rated voltage and continuously adjustabe.
Preferably, the voltage dip duration of described voltage disturbance device is 10ms ~ 1min, and voltage dip degree of unbalancedness is 20%, and the maximum overtone order of voltage is not less than 25 times.
Preferably, described power quality supervisory information system receives system voltage, load voltage, system power and the load current that described current disturbing generating means and described voltage disturbance generating means gather, for Real-Time Monitoring and the performance analyzing described Unified Power Quality Controller.
A method of testing for Unified Power Quality Controller, the test macro of described method of testing is the test macro of above-mentioned Unified Power Quality Controller, and described method of testing comprises the following steps:
S1, carries out test connection, then powers on to the switch board of Unified Power Quality Controller, arranges controling parameters and Protection parameters;
S2, Unified Power Quality Controller issues self-inspection order;
S3, start the voltage disturbance generating means of the test macro of Unified Power Quality Controller, configuration parameter makes it be operated in voltage zero output state;
S4, start the current disturbing generating means of Unified Power Quality Controller test macro, configuration parameter makes it work in current zero output state;
S5, starts the power quality supervisory information system of Unified Power Quality Controller test macro, confirms that supervisory system can monitor the running status of Unified Power Quality Controller in real time;
S6, starts the UPQC device of the test macro of Unified Power Quality Controller, makes UPQC device be in global function and drops into state.
S7, tests reactive current and the harmonic current of the various power factors that described current disturbing generating means exports;
S8, tests the falling temporarily of various grades, temporarily up voltage and harmonic voltage that described voltage disturbance generating means exports;
S9, carries out the data in real time monitoring and analyzing step S7 and step S8 with described power quality supervisory information system;
S10, exits Unified Power Quality Controller, described current disturbing generating means and described voltage disturbance generating means successively.
Preferably, the concrete test item of described step S7 is:
A) current disturbing device exports the three-phase symmetrical electric current of perceptual 0.55pu, the capacitive reactive power electric current stable state compensation characteristic of test Unified Power Quality Controller;
B) current disturbing device exports the three-phase symmetrical electric current of capacitive 0.55pu, the perceptual reactive current stable state compensation characteristic of test Unified Power Quality Controller;
C) the three-phase symmetrical electric current of current disturbing device output is from perceptual 0.09pu step to capacitive 0.91pu, the reactive current transient state compensation characteristic energy of test Unified Power Quality Controller, and whether its step response characteristic of primary part observation meets index request;
D) current disturbing device exports the three-phase symmetrical electric current 30 minutes of capacitive 1.09pu, and the reactive current of test Unified Power Quality Controller exports continuous over loading ability;
E) current disturbing device output amplitude is respectively the asymmetric three-phase inductance current of 0.50pu, 0.55pu, 0.60pu, the capacitive reactive power electric current stable state compensation characteristic of test Unified Power Quality Controller;
F) current disturbing device output amplitude is respectively the asymmetric three-phase capacity current of 0.50pu, 0.55pu, 0.60pu, the perceptual reactive current stable state compensation characteristic of test Unified Power Quality Controller;
G) current disturbing device exports 5,7,11,13 subharmonic currents on the basis of the three-phase symmetrical reactive current exported, the harmonic current compensation performance of test Unified Power Quality Controller.
Preferably, the concrete test item of described step S8 is:
A) the temporary range of decrease degree of voltage disturbance device manufacture is respectively the three-phase voltage sag of 0.1pu, 0.3pu, 0.5pu, and the voltage dip time changes with test request, the voltage dip compensate characteristic of test Unified Power Quality Controller;
B) three-phase voltage that the temporary increasing degree degree of voltage disturbance device manufacture is respectively 0.1pu, 0.3pu, 0.5pu rises temporarily, and the voltage swell time changes with test request, the voltage swell compensation characteristic of test Unified Power Quality Controller;
C) single-phase voltage that the temporary range of decrease degree of voltage disturbance device manufacture is respectively 0.1pu, 0.3pu, 0.5pu falls temporarily, and the voltage dip time changes with test request, the voltage dip compensate characteristic of test Unified Power Quality Controller;
D) single-phase voltage that the temporary increasing degree degree of voltage disturbance device manufacture is respectively 0.1pu, 0.3pu, 0.5pu rises temporarily, and the voltage swell time changes with test request, the voltage swell compensation characteristic of test Unified Power Quality Controller;
E) voltage disturbance device exports each harmonic voltage, the harmonic compensation characteristic of test Unified Power Quality Controller.With immediate prior art ratio, beneficial effect of the present invention is:
The present invention utilizes voltage disturbance device, current disturbing device, utility power quality control system to test UPQC device, and proposes detailed testing scheme, solves the Performance Detection problem of UPQC device; Voltage swell, voltage dip and other electric voltage exception situations that voltage disturbance device can run in analogue means actual motion, thus realize the test to the series compensation performance of UPQC device; The situation of the idle abnormal state that current disturbing device can run in analogue means actual motion and harmonic problem, thus realize the test to the shunt compensation performance of UPQC device; Utility power quality control system can Real-Time Monitoring UPQC device and the state of institute's compensated line under various operating mode, provides intuitive and accurate data for carrying out quality of power supply evaluation.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the test macro wiring diagram of Unified Power Quality Controller of the present invention;
Fig. 2 is the test flow chart of Unified Power Quality Controller test macro of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
In order to thoroughly understand the embodiment of the present invention, by following description, detailed structure is proposed.Obviously, the execution of the embodiment of the present invention is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present invention is described in detail as follows, but except these are described in detail, the present invention can also have other embodiments.
The test macro of a kind of Unified Power Quality Controller proposed by the invention can simulate UPQC various operating modes in actual applications and the function of real-time its utility power quality control of monitoring analysis and performance, and then reaches the object of comprehensive test analysis UPQC.Below in conjunction with Fig. 1 and Fig. 2, for 10kV/1MVA Unified Power Quality Controller, the present invention is described further:
Fig. 1 is the test macro wiring diagram of Unified Power Quality Controller of the present invention; Fig. 2 is the test flow chart of Unified Power Quality Controller test macro of the present invention.The test macro of a kind of Unified Power Quality Controller in Fig. 1, comprise current disturbing generating means, voltage disturbance generating means and power quality supervisory information system, described current disturbing generating means is connected in the load-side of described Unified Power Quality Controller; The leading-out terminal of described voltage disturbance generating means is connected to the end of incoming cables of described Unified Power Quality Controller, and described end of incoming cables is connected with system power supply; Described current disturbing generating means is connected with described power quality supervisory information system respectively with the two ends of described voltage disturbance generating means.
According to Fig. 1, UPQC device to be measured is accessed in test macro of the present invention, be specially: first, the voltage disturbance device of test macro is connected in series in the mains side of UPQC device, leading-out terminal by voltage disturbance device is attached to the end of incoming cables of UPQC device, end of incoming cables is connected to system power supply, for testing the voltage compensation performance of UPQC device; Secondly, the current disturbing device of test macro is connected in the load-side of UPQC device to be measured, for testing reactive-load compensation and the harmonic wave compensation performance of UPQC; Again, UPQC device and three-phase symmetrical resistance are coupled together, make system initial power factor close to 1; Finally, the image data of the key parameters such as system voltage, load voltage, system power and load current is accessed in electric energy quality monitoring and analyzing system, for Real-Time Monitoring and the performance analyzing UPQC device to be measured.
Voltage disturbance generating means is equivalent to a variable voltage source, and this variable voltage source can according to test needs, output size, the voltage that phase place is different with frequency.By the series connection of voltage disturbance device in the line, this circuit can be affected and send the size of voltage, phase place and harmonic wave situation, thus the various situations that in simulation actual motion, line voltage distribution may occur.The major parameter of voltage disturbance device is as follows: electric pressure 10kV, max cap. 2MVA, the rated voltage of voltage dip descending depth 90% ~ 50% and continuously adjustabe, the voltage dip duration is 10ms ~ 1min, voltage dip degree of unbalancedness is 20%, and the maximum overtone order of voltage is not less than 25 times.
Electric current generation disturbance device is equivalent to a variable current source, in parallel in the line, this variable current source can according to test needs, the size of this device output current, phase place and frequency can be changed, affect the idle of this circuit and harmonic wave current conditions, namely simulate the various situations that line current in actual motion may occur.The design parameter of current disturbing device is as follows: electric pressure 10kV, max cap. 1MVA, and the maximum overtone order of electric current is not less than 17 times, and load tri-phase unbalance factor 0 ~ 50% is adjustable, and power factor can be exceeded the time limit, delayed and at 0 ~ 1 scope continuously adjustabe.
In Fig. 2 Unified Power Quality Controller of the present invention method of testing in test macro be the test macro of above-mentioned Unified Power Quality Controller, method of testing comprises the following steps:
S1, carries out test connection, then powers on to the switch board of Unified Power Quality Controller, arranges controling parameters and Protection parameters; Be specially, first validation test main electrical scheme is consistent with testing program, and each disconnecting link of UPQC device is all in working position; Then, the switch board of UPQC device is powered on, the controling parameters of device and Protection parameters are configured perfect;
S2, Unified Power Quality Controller issues self-inspection order: UPQC device issues self-inspection order, waits to be launched
S3, starts the voltage disturbance generating means of the test macro of Unified Power Quality Controller, and configuration correlation parameter, makes it be operated in voltage zero output state;
S4, starts the current disturbing generating means of the test macro of Unified Power Quality Controller, and configuration correlation parameter, makes it work in current zero output state;
S5, starts the power quality supervisory information system of the test macro of Unified Power Quality Controller, confirms that supervisory system can monitor the running status of UPQC device in real time;
S6, starts the UPQC device of the test macro of Unified Power Quality Controller, makes UPQC device be in global function and drops into state.
S7, tests reactive current and the harmonic current of the various power factors that described current disturbing generating means exports; Concrete test item is:
A) current disturbing device exports the three-phase symmetrical electric current of perceptual 0.55pu, the capacitive reactive power electric current stable state compensation characteristic of test Unified Power Quality Controller;
B) current disturbing device exports the three-phase symmetrical electric current of capacitive 0.55pu, the perceptual reactive current stable state compensation characteristic of test Unified Power Quality Controller;
C) the three-phase symmetrical electric current of current disturbing device output is from perceptual 0.09pu step to capacitive 0.91pu, the reactive current transient state compensation characteristic energy of test Unified Power Quality Controller, and whether its step response characteristic of primary part observation meets index request;
D) current disturbing device exports the three-phase symmetrical electric current 30 minutes of capacitive 1.09pu, and the reactive current of test Unified Power Quality Controller exports continuous over loading ability;
E) current disturbing device output amplitude is respectively the asymmetric three-phase inductance current of 0.50pu, 0.55pu, 0.60pu, the capacitive reactive power electric current stable state compensation characteristic of test Unified Power Quality Controller;
F) current disturbing device output amplitude is respectively the asymmetric three-phase capacity current of 0.50pu, 0.55pu, 0.60pu, the perceptual reactive current stable state compensation characteristic of test Unified Power Quality Controller;
G) current disturbing device exports 5,7,11,13 subharmonic currents on the basis of the three-phase symmetrical reactive current exported, the harmonic current compensation performance of test Unified Power Quality Controller.
S8, tests the falling temporarily of various grades, temporarily up voltage and harmonic voltage that described voltage disturbance generating means exports; Concrete test item is:
A) the temporary range of decrease degree of voltage disturbance device manufacture is respectively the three-phase voltage sag of 0.1pu, 0.3pu, 0.5pu, and the voltage dip time changes with test request, the voltage dip compensate characteristic of test Unified Power Quality Controller;
B) three-phase voltage that the temporary increasing degree degree of voltage disturbance device manufacture is respectively 0.1pu, 0.3pu, 0.5pu rises temporarily, and the voltage swell time changes with test request, the voltage swell compensation characteristic of test Unified Power Quality Controller;
C) single-phase voltage that the temporary range of decrease degree of voltage disturbance device manufacture is respectively 0.1pu, 0.3pu, 0.5pu falls temporarily, and the voltage dip time changes with test request, the voltage dip compensate characteristic of test Unified Power Quality Controller;
D) single-phase voltage that the temporary increasing degree degree of voltage disturbance device manufacture is respectively 0.1pu, 0.3pu, 0.5pu rises temporarily, and the voltage swell time changes with test request, the voltage swell compensation characteristic of test Unified Power Quality Controller;
E) voltage disturbance device exports each harmonic voltage, the harmonic compensation characteristic of test Unified Power Quality Controller.
S9, carries out the data in real time monitoring and analyzing step S7 and step S8 with described power quality supervisory information system; While carrying out step S7, S8, carry out real time monitoring and analyzing with electric energy quality monitoring and analyzing system, according to pre-set level, whether discriminating test result meets performance requirement, and does more detailed record in time and terminate rear generating report forms for test and use.
S10, exits Unified Power Quality Controller, described current disturbing generating means and described voltage disturbance generating means successively.According to the test data of power quality supervisory information system record, provide testing journal sheet after analyzing and improvement project is advised.
In above-mentioned steps, UPQC device global function drops into and is specially: first, is dropped into the side in parallel of UPQC device, makes it be operated in " auto-compensation electric current " state; Then, the series side of UPQC device is dropped into, makes it work in " auto-compensation voltage " state.Now, UPQC device global function has dropped into.
The present invention utilizes voltage disturbance device, current disturbing device, utility power quality control system to test UPQC device, and proposes detailed testing scheme, solves the Performance Detection problem of UPQC device; Voltage swell, voltage dip and other electric voltage exception situations that voltage disturbance device can run in analogue means actual motion, thus realize the test to the series compensation performance of UPQC device; The situation of the idle abnormal state that current disturbing device can run in analogue means actual motion and harmonic problem, thus realize the test to the shunt compensation performance of UPQC device; Utility power quality control system can Real-Time Monitoring UPQC device and the state of institute's compensated line under various operating mode, provides intuitive and accurate data for carrying out quality of power supply evaluation.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; although with reference to above-described embodiment to invention has been detailed description; those of ordinary skill in the field still can modify to the specific embodiment of the present invention or equivalent replacement; these do not depart from any amendment of spirit and scope of the invention or equivalent replacement, are all applying within the claims awaited the reply.
Claims (10)
1. the test macro of a Unified Power Quality Controller, it is characterized in that, described test macro comprises current disturbing generating means, voltage disturbance generating means and power quality supervisory information system, and described current disturbing generating means is connected in the load-side of described Unified Power Quality Controller; The leading-out terminal of described voltage disturbance generating means is connected to the end of incoming cables of described Unified Power Quality Controller, and described end of incoming cables is connected with system power supply; Described current disturbing generating means is connected with described power quality supervisory information system respectively with the two ends of described voltage disturbance generating means.
2. the test macro of Unified Power Quality Controller according to claim 1, is characterized in that, described current disturbing generating means is variable current source, for testing reactive-load compensation and the harmonic wave compensation performance of described Unified Power Quality Controller.
3. the test macro of Unified Power Quality Controller according to claim 2, it is characterized in that, the electric pressure of described current disturbing generating means is 10kV, max cap. 1MVA, the maximum overtone order of electric current is not less than 17 times, load tri-phase unbalance factor 0 ~ 50% is adjustable, and power factor can be advanced, delayed and at 0 ~ 1 scope continuously adjustabe.
4. the test macro of Unified Power Quality Controller according to claim 1, is characterized in that, described voltage disturbance generating means is variable voltage source, for testing the voltage compensation performance of described Unified Power Quality Controller.
5. the test macro of Unified Power Quality Controller according to claim 4, is characterized in that, the electric pressure of described voltage disturbance device is 10kV, max cap. 2MVA, voltage dip descending depth be 90% ~ 50% rated voltage and continuously adjustabe.
6. the test macro of Unified Power Quality Controller according to claim 4, is characterized in that, the voltage dip duration of described voltage disturbance device is 10ms ~ 1min, and voltage dip degree of unbalancedness is 20%, and the maximum overtone order of voltage is not less than 25 times.
7. the test macro of Unified Power Quality Controller according to claim 1, it is characterized in that, described power quality supervisory information system receives system voltage, load voltage, system power and the load current that described current disturbing generating means and described voltage disturbance generating means gather, for Real-Time Monitoring and the performance analyzing described Unified Power Quality Controller.
8. the method for testing of a Unified Power Quality Controller, it is characterized in that, the test macro that the test macro of described method of testing is the Unified Power Quality Controller described in the claims 1-7 any one claim, described method of testing comprises the following steps:
S1, carries out test connection, then powers on to the switch board of Unified Power Quality Controller, arranges controling parameters and Protection parameters;
S2, Unified Power Quality Controller issues self-inspection order;
S3, start the voltage disturbance generating means of the test macro of Unified Power Quality Controller, configuration parameter makes it be operated in voltage zero output state;
S4, start the current disturbing generating means of Unified Power Quality Controller test macro, configuration parameter makes it work in current zero output state;
S5, starts the power quality supervisory information system of Unified Power Quality Controller test macro, confirms that supervisory system can monitor the running status of Unified Power Quality Controller in real time;
S6, starts the UPQC device of the test macro of Unified Power Quality Controller, makes UPQC device be in global function and drops into state;
S7, tests reactive current and the harmonic current of the various power factors that described current disturbing generating means exports;
S8, tests the falling temporarily of various grades, temporarily up voltage and harmonic voltage that described voltage disturbance generating means exports;
S9, carries out the data in real time monitoring and analyzing step S7 and step S8 with described power quality supervisory information system;
S10, exits Unified Power Quality Controller, described current disturbing generating means and described voltage disturbance generating means successively.
9. the method for testing of a kind of Unified Power Quality Controller according to claim 8, is characterized in that, the concrete test item of described step S7 is:
A) current disturbing device exports the three-phase symmetrical electric current of perceptual 0.55pu, the capacitive reactive power electric current stable state compensation characteristic of test Unified Power Quality Controller;
B) current disturbing device exports the three-phase symmetrical electric current of capacitive 0.55pu, the perceptual reactive current stable state compensation characteristic of test Unified Power Quality Controller;
C) the three-phase symmetrical electric current of current disturbing device output is from perceptual 0.09pu step to capacitive 0.91pu, the reactive current transient state compensation characteristic energy of test Unified Power Quality Controller, and whether its step response characteristic of primary part observation meets index request;
D) current disturbing device exports the three-phase symmetrical electric current 30 minutes of capacitive 1.09pu, and the reactive current of test Unified Power Quality Controller exports continuous over loading ability;
E) current disturbing device output amplitude is respectively the asymmetric three-phase inductance current of 0.50pu, 0.55pu, 0.60pu, the capacitive reactive power electric current stable state compensation characteristic of test Unified Power Quality Controller;
F) current disturbing device output amplitude is respectively the asymmetric three-phase capacity current of 0.50pu, 0.55pu, 0.60pu, the perceptual reactive current stable state compensation characteristic of test Unified Power Quality Controller;
G) current disturbing device exports 5,7,11,13 subharmonic currents on the basis of the three-phase symmetrical reactive current exported, the harmonic current compensation performance of test Unified Power Quality Controller.
10. the method for testing of a kind of Unified Power Quality Controller according to claim 8, is characterized in that, the concrete test item of described step S8 is:
A) the temporary range of decrease degree of voltage disturbance device manufacture is respectively the three-phase voltage sag of 0.1pu, 0.3pu, 0.5pu, and the voltage dip time changes with test request, the voltage dip compensate characteristic of test Unified Power Quality Controller;
B) three-phase voltage that the temporary increasing degree degree of voltage disturbance device manufacture is respectively 0.1pu, 0.3pu, 0.5pu rises temporarily, and the voltage swell time changes with test request, the voltage swell compensation characteristic of test Unified Power Quality Controller;
C) single-phase voltage that the temporary range of decrease degree of voltage disturbance device manufacture is respectively 0.1pu, 0.3pu, 0.5pu falls temporarily, and the voltage dip time changes with test request, the voltage dip compensate characteristic of test Unified Power Quality Controller;
D) single-phase voltage that the temporary increasing degree degree of voltage disturbance device manufacture is respectively 0.1pu, 0.3pu, 0.5pu rises temporarily, and the voltage swell time changes with test request, the voltage swell compensation characteristic of test Unified Power Quality Controller;
E) voltage disturbance device exports each harmonic voltage, the harmonic compensation characteristic of test Unified Power Quality Controller.
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| CN104880631A (en) * | 2015-05-28 | 2015-09-02 | 国网山西省电力公司电力科学研究院 | Electric energy quality interaction influence test system and test method |
| CN105305421A (en) * | 2015-10-14 | 2016-02-03 | 株洲变流技术国家工程研究中心有限公司 | Experiment system and method for unified electric energy quality controller |
| CN105824980A (en) * | 2015-01-06 | 2016-08-03 | 中国石油大学(华东) | Multi-level UPQC topology structure assessment method |
| CN109995050A (en) * | 2019-05-15 | 2019-07-09 | 广东电网有限责任公司 | Meter and the probabilistic compensation equipment optimizing configuration method of voltage dip economic loss |
| CN113156214A (en) * | 2021-05-14 | 2021-07-23 | 西南交通大学 | Broadband impedance measuring method of dual-mode disturbance and dual-mode disturbance device |
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Inventor after: Chen Guofu Inventor after: Cai Linhai Inventor after: Ma Mingyuan Inventor after: An Ningyu Inventor after: Yang Guijuan Inventor after: Deng Zhanfeng Inventor before: Chen Guofu Inventor before: Cai Linhai Inventor before: Ma Mingyuan Inventor before: An Ningyu Inventor before: Yang Guijuan |
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Application publication date: 20150429 |