CN101466193A - Method for monitoring lighting lamp power factor compensation capacitance fault - Google Patents
Method for monitoring lighting lamp power factor compensation capacitance fault Download PDFInfo
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- CN101466193A CN101466193A CNA2009100282007A CN200910028200A CN101466193A CN 101466193 A CN101466193 A CN 101466193A CN A2009100282007 A CNA2009100282007 A CN A2009100282007A CN 200910028200 A CN200910028200 A CN 200910028200A CN 101466193 A CN101466193 A CN 101466193A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012544 monitoring process Methods 0.000 title claims description 20
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims description 16
- 230000005611 electricity Effects 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 13
- 238000012806 monitoring device Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
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- 230000001939 inductive effect Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention provides a lightening lamp power factor compensation capacitor fault-detecting method, which can detect the active power and the reactive power of the lightening lamps in real time; when the detected reactive power is higher than the upper limit threshold value of the preset active power, or the detected active power is lower than the preset lower limit threshold value of the active power and the reactive power is lower than the lower limit threshold value of the preset reactive power, the compensation capacitor fault is determined, so as to send out the signals to alarm; the detecting method has the advantages that the capacitor fault can be found out in time, the power factor can be improved, the wire loss can be reduced, and the electricity energy can be saved.
Description
Technical field
The present invention relates to a kind of monitoring method of lighting compensation capacitance fault, especially the lighting of public lighting system is carried out the automatic testing method of power factor compensation capacitance fault, specifically method for monitoring lighting lamp power factor compensation capacitance fault.
Background technology
Along with global non-renewable resources reduce, economize on resources, energy savings caused that the whole society shows great attention to, it is more and more important that energy-saving and emission-reduction show.Luminaire for public lighting particularly, usually all adopt Inductive ballast formula high-pressure sodium lamp ﹠ lantern lamp source, because the reactive power that its inductive load produced, do not take the reactive power compensation measure, make power factor reduce, cause that public illumination transmission cable load increases the weight of, pressure drop increases, cause the deadweight loss of power transmission lines electric energy, not only improve the cable cost of investment but also influence circuit latter end voltage, may make the latter end lighting to start.Therefore, CJJ45-91 " city illumination design standard " clearly stipulates: require to use capacitance compensation to make power factor must reach more than 0.85, to avoid the generation of these problems; Its two, take power factor compensation capacitance after because public illumination administrative department has the fine or not situation of technological means monitoring power factor compensation capacitance, capacitance damage is often unknown in actual applications.So, the fault of electric capacity can not be in time found in existing public illumination, fault electric capacity can not get timely replacing, in case electric capacity fault lighting just is in work under the low power factor state always, cause supply line's electric current to increase, the circuit electric energy loss increases, line drop increases, cause a large amount of wastes of electric energy, reduce circuit useful life, increase the operation costs of road lamp management.The increase of line drop can make also that the voltage of latter end lighting is too low can not normally to be started.
Summary of the invention
The objective of the invention is monitoring method disappearance at the lighting compensation capacitance fault, cause in time to find and changing the fault electric capacity of lighting, thereby cause the problem of a large amount of wastes of electric energy, proposed a kind of method for monitoring lighting lamp power factor compensation capacitance fault that can carry out low-cost monitoring and fault alarm the fault of lighting building-out capacitor.
Technical scheme of the present invention is:
A kind of method for monitoring lighting lamp power factor compensation capacitance fault is characterized in that it may further comprise the steps:
(a). the reactive power upper and lower limit door value and the active power lower limit door value of lighting at first are set according to different tested lightings;
(b). after the lighting energising, measure the active power and the reactive power of lighting;
(c). the lighting reactive power upper and lower limit door value of lighting reactive power of relatively measuring and setting, if the lighting reactive power of measuring greater than the lighting reactive power upper limit door value of setting or the lighting active power measured less than the active power lower limit door value of setting and reactive power less than the lighting reactive power lower limit door value of setting, judge that the lighting building-out capacitor breaks down, otherwise repeating step b-c.
Lighting lamp power factor compensation capacitance fault monitoring of the present invention was carried out after energising a period of time, and described a period of time is 1-10 minute after switching on.
Active power of the present invention and reactive power calculate by the embedded software in power measurement chip and the CPU.
After lighting building-out capacitor of the present invention is judged to be fault, report to the police by warning circuit.
Beneficial effect of the present invention:
1, the present invention judges that the compensation capacitance fault of lighting is active power and the reactive power by the monitoring light light fixture, promptly monitor reactive power greater than the reactive power upper limit door value of setting, or monitor active power less than the active power thresholding of setting down value and reactive power less than the reactive power lower limit door value of setting, compensation capacitance fault and output signal warning are confirmed in then comprehensive judgement, power factor compensation capacitance fault monitoring of the present invention and warning, be convenient in time find and change fault electric capacity, reduce the circuit electric energy loss.
2, the present invention adopts PLC technology, carries out the two carrier communications of low-voltage power line of arrowband double frequency, and signal can directly be coupling on the AC220V power line and transmit, and need not to lay private cable, has reduced production cost.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of the embodiment of the invention.
Fig. 3 is the electrical schematic diagram of the embodiment of the invention.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
A kind of method for monitoring lighting lamp power factor compensation capacitance fault, it may further comprise the steps:
(a). the upper and lower limit door value and the active power lower limit door value of the reactive power of lighting at first are set according to different tested lightings, deposit in the EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM of CPU;
(b). after the lighting energising, measure the active power and the reactive power of lighting;
(c). the lighting reactive power upper and lower limit door value of lighting reactive power of relatively measuring and setting, value and reactive power are less than the lighting reactive power lower limit door value of setting down less than the active power thresholding of setting if the lighting reactive power of measuring is greater than the lighting reactive power upper limit door value of setting or the lighting active power measured, and judgement lighting building-out capacitor breaks down.
Lighting lamp power factor compensation capacitance fault monitoring of the present invention was carried out after energising a period of time, and described a period of time is 1-10 minute after switching on.Mainly be to consider that the high-pressure sodium lamp cold start-up time is longer, active power and reactive power could be normal stable after needing certain hour, avoid the false alarm phenomenon.
Active power of the present invention and reactive power calculate by the embedded software program in power measurement chip and the CPU.
After lighting building-out capacitor of the present invention is judged to be fault, report to the police by warning circuit.
Lighting lamp power factor compensation capacitance fault monitoring device of the present invention, as shown in Figure 1: it comprises voltage sample circuit, current sampling circuit, computing unit, CPU and warning circuit, lighting is powered by civil power AC220V, the voltage sample circuit of lighting lamp power factor compensation capacitance fault monitoring device is attempted by on the power supply of lighting, current sampling circuit is serially connected on the phase line of lighting power supply, the signal input part of the sampled signal output termination computing unit of voltage sample circuit and current sampling circuit, the output of computing unit connects the signal input part of CPU, the signal input part of the alarm signal output ends circuit taking alarm of CPU.
During concrete enforcement:
Method for monitoring lighting lamp power factor compensation capacitance fault of the present invention, it may further comprise the steps:
(a). at first the upper and lower limit door value and the active power lower limit door value of lighting reactive power are set for the lighting lamp power factor compensation capacitance fault monitoring device by port, deposit in the EEPROM of CPU according to different tested lightings;
(b). turn on light back a period of time at every turn, after lighting power is basicly stable,, obtains the voltage sampling signal and the current sampling signal of lighting simultaneously respectively and deliver to computing unit, as shown in Figure 1 by voltage sample circuit and current sampling circuit;
(c). calculate the active power P of lighting and the comparing unit that reactive power Q is delivered to CPU by computing unit;
(d). the lighting reactive power upper and lower limit door value of the active power P of more tested lighting, reactive power Q, setting in the comparing unit of CPU and active power lower limit door value, when reactive power Q greater than the reactive power upper limit door value of setting or active power P less than the active power lower limit door value of setting and reactive power Q during less than the reactive power lower limit door value set, judge that the lighting building-out capacitor breaks down, CPU produces alarm signal and delivers to the warning circuit warning.
As shown in Figure 2: lighting lamp power factor compensation capacitance fault monitoring device of the present invention, it comprises voltage sample circuit, current sampling circuit, power measurement chip IC 1 (model can be ADE7753), CPU (model can be PL3120) and warning circuit (adopting PLC technology by the power line transmission alarm signal).Input meets live wire L, the zero line N of mains supply end to the sampled signal input of voltage sample circuit as the voltage sampling signal of lighting lamp power factor compensation capacitance fault monitoring device, and the sampled signal input of current sampling circuit is as the current sampling signal input of lighting lamp power factor compensation capacitance fault monitoring device; One termination live wire L, the live wire input of the tested lighting of another termination (containing power factor compensation capacitance), the sampled signal output of voltage and current sample circuit connects voltage, the current measurement signal input of power measurement chip IC 1 respectively, the SPI communication interface of power measurement chip IC 1 links to each other with the SPI communication interface of CPU, and the alarm signal output ends of CPU links to each other with the signal input part of warning circuit.
As shown in Figure 3, voltage sample circuit of the present invention comprises resistance R 16-R19, R20, R21 and filter capacitor C15, C16.Current sampling circuit comprises inductance L 3, L4, L5, sample resistance MR, resistance R 14, R15 and filter capacitor C13, C14, the sampled signal input of current sampling circuit is introduced from an end of inductance L 5, the end of the other end connecting resistance MR of inductance L 5, the other end of resistor MR is as another sampled signal input of current sampling circuit, the two ends of resistor MR are respectively by inductance L 3, resistance R 15 and inductance L 4, resistance R 14 connects the current measurement signal input of power measurement chip IC 1, the tie point of resistance R 14 and power measurement chip IC 1 is by capacitor C 13 ground connection, the tie point of resistance R 15 and power measurement chip IC 1 is by capacitor C 14 ground connection, the sampled signal input of voltage sample circuit is the end input of resistance R 16 from the input of bleeder circuit, the output of bleeder circuit is the voltage measurement signal input of a termination power measurement chip IC 1 of resistance R 19, the tie point of resistance R 19 and power measurement chip IC 1 is by shunt capacitance C16, resistance R 21 ground connection, another voltage signal input that another sampled signal input of voltage sample circuit is a power measurement chip IC 1 is by shunt capacitance C15, resistance R 20 ground connection, the SPI communication interface of power measurement chip IC 1 is connected with the SPI communication interface of CPU.
Warning circuit employing PLC technology of the present invention is coupled to alarm signal and carries out the alarm signal transmission on the power line.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (4)
1, a kind of method for monitoring lighting lamp power factor compensation capacitance fault is characterized in that it may further comprise the steps:
(a). the reactive power upper and lower limit door value and the active power lower limit door value of lighting at first are set according to different tested lightings;
(b). after the lighting energising, measure the active power and the reactive power of lighting;
(c). the lighting reactive power upper and lower limit door value of lighting reactive power of relatively measuring and setting, if the lighting reactive power of measuring greater than the lighting reactive power upper limit door value of setting or the lighting active power measured less than the active power lower limit door value of setting and reactive power less than the lighting reactive power lower limit door value of setting, judge that the lighting building-out capacitor breaks down, otherwise repeating step b-c.
2, method for monitoring lighting lamp power factor compensation capacitance fault according to claim 1 is characterized in that lighting lamp power factor compensation capacitance fault monitoring carries out after energising a period of time, 1-10 minute after for energising of described a period of time.
3, method for monitoring lighting lamp power factor compensation capacitance fault according to claim 1 is characterized in that described active power and reactive power calculate by the embedded software in power measurement chip and the CPU.
4, method for monitoring lighting lamp power factor compensation capacitance fault according to claim 1, it is characterized in that described lighting building-out capacitor is judged to be fault after, report to the police by warning circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100282007A CN101466193B (en) | 2009-01-16 | 2009-01-16 | Method for monitoring lighting lamp power factor compensation capacitance fault |
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| CN2009100282007A CN101466193B (en) | 2009-01-16 | 2009-01-16 | Method for monitoring lighting lamp power factor compensation capacitance fault |
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| CN101466193A true CN101466193A (en) | 2009-06-24 |
| CN101466193B CN101466193B (en) | 2012-11-21 |
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| US20160226416A1 (en) * | 2012-09-25 | 2016-08-04 | Emerson Climate Technologies, Inc. | Compressor Having A Control And Diagnostic Module |
| US9551504B2 (en) | 2013-03-15 | 2017-01-24 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
| US9638436B2 (en) | 2013-03-15 | 2017-05-02 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
| US9651286B2 (en) | 2007-09-19 | 2017-05-16 | Emerson Climate Technologies, Inc. | Refrigeration monitoring system and method |
| US9669498B2 (en) | 2004-04-27 | 2017-06-06 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system and method |
| US9703287B2 (en) | 2011-02-28 | 2017-07-11 | Emerson Electric Co. | Remote HVAC monitoring and diagnosis |
| US9765979B2 (en) | 2013-04-05 | 2017-09-19 | Emerson Climate Technologies, Inc. | Heat-pump system with refrigerant charge diagnostics |
| US9803902B2 (en) | 2013-03-15 | 2017-10-31 | Emerson Climate Technologies, Inc. | System for refrigerant charge verification using two condenser coil temperatures |
| US9823632B2 (en) | 2006-09-07 | 2017-11-21 | Emerson Climate Technologies, Inc. | Compressor data module |
| US9876346B2 (en) | 2012-01-11 | 2018-01-23 | Emerson Climate Technologies, Inc. | System and method for compressor motor protection |
| US9885507B2 (en) | 2006-07-19 | 2018-02-06 | Emerson Climate Technologies, Inc. | Protection and diagnostic module for a refrigeration system |
| CN108990242A (en) * | 2018-06-11 | 2018-12-11 | 江苏联宏智慧能源股份有限公司 | A kind of multi-functional street lamp intelligent controller |
| US10352602B2 (en) | 2007-07-30 | 2019-07-16 | Emerson Climate Technologies, Inc. | Portable method and apparatus for monitoring refrigerant-cycle systems |
| US10458404B2 (en) | 2007-11-02 | 2019-10-29 | Emerson Climate Technologies, Inc. | Compressor sensor module |
| US10558229B2 (en) | 2004-08-11 | 2020-02-11 | Emerson Climate Technologies Inc. | Method and apparatus for monitoring refrigeration-cycle systems |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0688076B1 (en) * | 1994-06-13 | 1997-11-12 | BULL HN INFORMATION SYSTEMS ITALIA S.p.A. | Power supply with power factor correction and protection against failures of the power factor correction |
| JP2007525938A (en) * | 2004-02-27 | 2007-09-06 | ウィリアム・ディー・マクダニエル | Automatic power factor correction using a power measuring chip |
| CN2872792Y (en) * | 2005-10-21 | 2007-02-21 | 北京海捷电器设备有限公司 | Filter energy-saving adapter of high-voltage sodium light |
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2009
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| US10335906B2 (en) | 2004-04-27 | 2019-07-02 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system and method |
| US10558229B2 (en) | 2004-08-11 | 2020-02-11 | Emerson Climate Technologies Inc. | Method and apparatus for monitoring refrigeration-cycle systems |
| US9885507B2 (en) | 2006-07-19 | 2018-02-06 | Emerson Climate Technologies, Inc. | Protection and diagnostic module for a refrigeration system |
| US9823632B2 (en) | 2006-09-07 | 2017-11-21 | Emerson Climate Technologies, Inc. | Compressor data module |
| US10352602B2 (en) | 2007-07-30 | 2019-07-16 | Emerson Climate Technologies, Inc. | Portable method and apparatus for monitoring refrigerant-cycle systems |
| US9651286B2 (en) | 2007-09-19 | 2017-05-16 | Emerson Climate Technologies, Inc. | Refrigeration monitoring system and method |
| US10458404B2 (en) | 2007-11-02 | 2019-10-29 | Emerson Climate Technologies, Inc. | Compressor sensor module |
| US9703287B2 (en) | 2011-02-28 | 2017-07-11 | Emerson Electric Co. | Remote HVAC monitoring and diagnosis |
| US10884403B2 (en) | 2011-02-28 | 2021-01-05 | Emerson Electric Co. | Remote HVAC monitoring and diagnosis |
| US10234854B2 (en) | 2011-02-28 | 2019-03-19 | Emerson Electric Co. | Remote HVAC monitoring and diagnosis |
| US9876346B2 (en) | 2012-01-11 | 2018-01-23 | Emerson Climate Technologies, Inc. | System and method for compressor motor protection |
| US20160226416A1 (en) * | 2012-09-25 | 2016-08-04 | Emerson Climate Technologies, Inc. | Compressor Having A Control And Diagnostic Module |
| US9762168B2 (en) * | 2012-09-25 | 2017-09-12 | Emerson Climate Technologies, Inc. | Compressor having a control and diagnostic module |
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| US10488090B2 (en) | 2013-03-15 | 2019-11-26 | Emerson Climate Technologies, Inc. | System for refrigerant charge verification |
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| US9638436B2 (en) | 2013-03-15 | 2017-05-02 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
| US9551504B2 (en) | 2013-03-15 | 2017-01-24 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
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| CN101466193B (en) | 2012-11-21 |
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Address after: 210046 Nanjing City, Qixia Province, Gan east side of the east side of the building 108, building 01, No. 6, No. Patentee after: JIANGSU LIANHONG SMART ENERGY CO.,LTD. Address before: 210046 Nanjing City, Qixia Province, Gan east side of the east side of the building 108, building 01, No. 6, No. Patentee before: JIANGSU LIANHONG AUTOMATION CO.,LTD. |
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Denomination of invention: Method for monitoring lighting lamp power factor compensation capacitance fault Effective date of registration: 20200108 Granted publication date: 20121121 Pledgee: Nanjing Bank Co.,Ltd. Nanjing North Branch Pledgor: JIANGSU LIANHONG SMART ENERGY CO.,LTD. Registration number: Y2020320000021 |
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