CN104617601A - Electric generator control device and electric generator control method - Google Patents
Electric generator control device and electric generator control method Download PDFInfo
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- CN104617601A CN104617601A CN201510096072.5A CN201510096072A CN104617601A CN 104617601 A CN104617601 A CN 104617601A CN 201510096072 A CN201510096072 A CN 201510096072A CN 104617601 A CN104617601 A CN 104617601A
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Abstract
The invention relates to an electric generator control device which includes a programmable control unit, a data acquisition and processing unit, a monitoring unit, an electric generator excitation device and a system communication unit, wherein a signal acquisition and processing unit sends detected data to the programmable control unit through a device network; the programmable control unit processes the data and then sends the processed data to the monitoring unit through the device network; the monitoring unit sends the modified and set electric generator parameters to the programmable control unit through the device network; after a serial port conversion module changes the device network communication to serial communication, communications between the programmable control unit and two or more electric generator excitation devices are realized. According to the invention, the programmable control unit can automatically adjust the running parameters of the electric generator in a precise and real-time manner according to data of the data acquisition and processing unit and the monitoring unit, and automatically adjust the operations such as the startup and shutdown of the electric generator. The invention also relates to an electric generator control method.
Description
Technical field
The present invention relates to generator and manufacture field, particularly relate to a kind of generator control apparatus and generator control method.
Background technology
Traditional generator control apparatus is mainly made up of PLC technology unit, data acquisition and procession unit, monitoring unit and generator excitation unit, PLC technology unit is the operation processing unit of system, completes the system data calculation process of generator and the adjustment of other parameter being controlled the starting of generator, shutdown and generator by generator excitation unit; Its data for completing the Signal acquiring and processing task to whole generator and control system thereof, and are sent in PLC technology unit by data acquisition and procession unit; Parameters when monitoring unit is for showing and arranging generator operation; But this control system often needs operating personnel's real-time live to monitor and operation, the control method that this control appliance adopts is carry out monitoring to separate unit generator in local mode and regulate mostly, and how controling parameters also having been set when dispatching from the factory by designer, can not change in real time be carried out according to generator practical operation situation and regulated.
Summary of the invention
The object of the invention is to overcome above defect, provide a kind of and can realize multiple stage and the generator control apparatus of energy remote auto control and the control method of generator.
Technical scheme of the present invention is, a kind of generator control apparatus, it comprises PLC technology unit, data acquisition and procession unit, monitoring unit and generator excitation unit, also comprise system communication locations, system communication locations comprises facility network module, serial ports modular converter, described facility network module is used for PLC technology unit, data acquisition and procession unit, communication between monitoring unit, the data detected are sent in PLC technology unit by facility network by Signal acquiring and processing unit, PLC technology unit is sent to monitoring unit by after data processing by facility network, the generator parameter of amendment setting is sent to PLC technology unit by facility network by monitoring unit, equipment network communication is converted to serial communication by serial ports modular converter, realizes the communication between PLC technology unit and two or more generator excitation unit after being converted to serial communication, and generator excitation unit controls respective generator respectively.
In order to realize Long-distance Control; also comprise host computer; described system communication locations also comprises ethernet module, and ethernet module is used for communication between host computer and PLC technology unit, host computer by ethernet communication to the starting of generator, shutdown and parameter adjustment operation.
A kind of generator control method, it comprises the following steps:
Step 1, starter-generator control appliance, generator control apparatus self-inspection, then reports to the police if any fault, and fault-free then enters step 2;
Step 2, starter-generator voltage, electric current, temperature Real-Time Monitoring program, if there be abnormal warning, without exception, enter step 3;
Step 3, selection generator operation mode, if remote mode then enters step 4, otherwise enter local mode;
Step 4, select manual/auto pattern, if select automatic mode, then enter step 5, otherwise enter manual mode;
The output generator current set point I that host computer transmits by step 5, PLC technology unit
0or voltage setting value U
0be sent to each generator excitation unit, each generator of excitation, each generator starts to enter power generation mode;
Step 6, the real-time current value I of each generator arrived according to each generator Real-Time Monitoring sequential monitoring
tor magnitude of voltage U
t, consider dynamo current degree of regulation I under steady state condition
Δ, voltage regulation accuracy is U
Δ, the actual output current value of every platform generator is I
t± I
Δactual output voltage value should be U
t± U
Δ, the actual output current or the output voltage that adjust every platform generator make it reach set point;
Step 7, judge whether that generator meets grid-connected conditions, if having, entered step 8, otherwise return step 6;
The grid-connected corresponding generator of step 8, automatic closing;
Step 9, host computer, according to operation of power networks strategy, adjust actual output current or the output voltage of every platform generator automatically;
Step 10, according to electrical network demand, judging that generator is the need of off-the-line, as needed off-the-line then to enter step 11, not needing off-the-line to return step 9;
Step 11, the corresponding generator of automatic brake separating off-the-line;
Step 12, judge whether generator outage, then returned step 5 if any generator outage, do not shut down, return step 6.
Advantageous Effects of the present invention is, PLC technology unit can carry out automatically regulating accurately to generator operation parameter according to the data of data acquisition and procession unit and monitoring unit in real time, can the action such as regulator generator starting and stopping machine automatically.The setting of host computer can make staff's Long-distance Control generator, adopt comparatively perfect communication system to make control system internal data renewal rate fast simultaneously, host computer, real time communication between controller and generator can be realized according to generator control method, the grid-connected of remote electric power generator group can be realized operate with off-the-line, control appliance is simple to operate, intelligence degree is high, realizes carrying out in real time accurately monitoring to two and above generator by extension serial communication interface.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention generator control apparatus system block diagram;
Fig. 2 is embodiment of the present invention generator control method flow chart.
Embodiment
Below with reference to drawings and Examples, the present invention is further described.
With reference to accompanying drawing 1, a kind of generator control apparatus, it comprises PLC technology unit 1, data acquisition and procession unit 2, monitoring unit 3 and generator excitation unit 6, also comprise system communication locations 4, host computer 5, system communication locations 4 comprises facility network module 4-2, serial ports modular converter 4-3, ethernet module 4-1, described facility network module 4-2 is used for PLC technology unit 1, data acquisition and procession unit 2, communication between monitoring unit 3, the data detected are sent in PLC technology unit 1 by facility network by data acquisition and procession unit 2, PLC technology unit 1 is sent to monitoring unit 3 by after data processing by facility network, the generator parameter of amendment setting is sent to PLC technology unit 1 by facility network by monitoring unit 3, ethernet module 4-1 is used for the communication between host computer 5 and PLC technology unit 1, host computer 5 is by the starting of ethernet communication to generator, shut down and parameter adjustment operation, equipment network communication is converted to serial communication by serial ports modular converter 4-3, PLC technology unit 1 and generator excitation unit 6-1 is realized after being converted to serial communication, communication between generator excitation unit 6-2, generator excitation unit 6-1 controls generator 7-1, generator excitation unit 6-2 controls generator 7-2.
With reference to accompanying drawing 2, a kind of generator control method, it comprises the following steps:
Step 1, starter-generator control appliance, generator control apparatus self-inspection, then reports to the police if any fault, and fault-free then enters step 2;
Step 2, starter-generator voltage, electric current, temperature Real-Time Monitoring program, if there be abnormal warning, without exception, enter step 3;
Step 3, selection generator operation mode, if remote mode then enters step 4, otherwise enter local mode;
Step 4, select manual/auto pattern, if select automatic mode, then enter step 5, otherwise enter manual mode;
The output generator current set point I that host computer transmits by step 5, PLC technology unit
0or voltage setting value U
0be sent to each generator excitation unit, each generator of excitation, each generator starts to enter power generation mode;
Step 6, the real-time current value I of each generator arrived according to each generator Real-Time Monitoring sequential monitoring
tor magnitude of voltage U
t, consider dynamo current degree of regulation I under steady state condition
Δ, voltage regulation accuracy is U
Δ, the actual output current value of every platform generator is I
t± I
Δ, actual output voltage value should be U
t± U
Δ, the actual output current or the output voltage that adjust every platform generator make it reach set point;
Step 7, judge whether that generator meets grid-connected conditions, if having, entered step 8, otherwise return step 6;
The grid-connected corresponding generator of step 8, automatic closing;
Step 9, host computer, according to operation of power networks strategy, adjust actual output current or the output voltage of every platform generator automatically;
Step 10, according to electrical network demand, judging that generator is the need of off-the-line, as needed off-the-line then to enter step 11, not needing off-the-line to return step 9;
Step 11, the corresponding generator of automatic brake separating off-the-line;
Step 12, judge whether generator outage, then returned step 5 if any generator outage, do not shut down, return step 6.
Claims (3)
1. a generator control apparatus, it comprises PLC technology unit, data acquisition and procession unit, monitoring unit and generator excitation unit, it is characterized in that, also comprise system communication locations, system communication locations comprises facility network module, serial ports modular converter, described facility network module is used for PLC technology unit, data acquisition and procession unit, communication between monitoring unit, the data detected are sent in PLC technology unit by facility network by Signal acquiring and processing unit, PLC technology unit is sent to monitoring unit by after data processing by facility network, the generator parameter of amendment setting is sent to PLC technology unit by facility network by monitoring unit, equipment network communication is converted to serial communication by serial ports modular converter, realizes the communication between PLC technology unit and two or more generator excitation unit after being converted to serial communication, and generator excitation unit controls respective generator respectively.
2. a kind of generator control apparatus according to claim 1; it is characterized in that; also comprise host computer; described system communication locations also comprises ethernet module; ethernet module is used for communication between host computer and PLC technology unit, host computer by ethernet communication to the starting of generator, shutdown and parameter adjustment operation.
3. a generator control method, is characterized in that, it comprises the following steps:
Step 1, starter-generator control appliance, generator control apparatus self-inspection, then reports to the police if any fault, and fault-free then enters step 2;
Step 2, starter-generator voltage, electric current, temperature Real-Time Monitoring program, if there be abnormal warning, without exception, enter step 3;
Step 3, selection generator operation mode, if remote mode then enters step 4, otherwise enter local mode;
Step 4, select manual/auto pattern, if select automatic mode, then enter step 5, otherwise enter manual mode;
The output generator current set point I that host computer transmits by step 5, PLC technology unit
0or voltage setting value U
0be sent to each generator excitation unit, each generator of excitation, each generator starts to enter power generation mode;
Step 6, the real-time current value I of each generator arrived according to each generator Real-Time Monitoring sequential monitoring
tor magnitude of voltage U
t, consider dynamo current degree of regulation I under steady state condition
Δ, voltage regulation accuracy is U
Δ, the actual output current value of every platform generator is I
t± I
Δactual output voltage value should be U
t± U
Δ, the actual output current or the output voltage that adjust every platform generator make it reach set point;
Step 7, judge whether that generator meets grid-connected conditions, if having, entered step 8, otherwise return step 6;
The grid-connected corresponding generator of step 8, automatic closing;
Step 9, host computer, according to operation of power networks strategy, adjust actual output current or the output voltage of every platform generator automatically;
Step 10, according to electrical network demand, judging that generator is the need of off-the-line, as needed off-the-line then to enter step 11, not needing off-the-line to return step 9;
Step 11, the corresponding generator of automatic brake separating off-the-line;
Step 12, judge whether generator outage, then returned step 5 if any generator outage, do not shut down, return step 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096072.5A CN104617601A (en) | 2015-03-04 | 2015-03-04 | Electric generator control device and electric generator control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096072.5A CN104617601A (en) | 2015-03-04 | 2015-03-04 | Electric generator control device and electric generator control method |
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| CN104617601A true CN104617601A (en) | 2015-05-13 |
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| CN201510096072.5A Pending CN104617601A (en) | 2015-03-04 | 2015-03-04 | Electric generator control device and electric generator control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991980A (en) * | 2017-11-30 | 2018-05-04 | 杭州威衡科技有限公司 | A kind of polyphase machine state stored program controlled |
| CN108075492A (en) * | 2017-12-26 | 2018-05-25 | 云南电网有限责任公司 | Automatically control the new-energy grid-connected control method automatically switched with emergency scheduling control |
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| CN101969268A (en) * | 2010-10-14 | 2011-02-09 | 北方联合电力有限责任公司 | Wind driven generator control system |
| CN202444281U (en) * | 2012-02-24 | 2012-09-19 | 陕西科技大学 | Synchronous wind power generation analog device with exciting current control system |
| CN103166246A (en) * | 2013-03-01 | 2013-06-19 | 扬州金盛成套电气设备有限公司 | Intelligent permanent magnetic direct drive wind generator set control device |
| CN103603732A (en) * | 2013-11-29 | 2014-02-26 | 柳州职业技术学院 | Diesel generator controller with intelligent system |
| CN104199317A (en) * | 2014-07-12 | 2014-12-10 | 河北工业大学 | Steam generator controller |
-
2015
- 2015-03-04 CN CN201510096072.5A patent/CN104617601A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969268A (en) * | 2010-10-14 | 2011-02-09 | 北方联合电力有限责任公司 | Wind driven generator control system |
| CN202444281U (en) * | 2012-02-24 | 2012-09-19 | 陕西科技大学 | Synchronous wind power generation analog device with exciting current control system |
| CN103166246A (en) * | 2013-03-01 | 2013-06-19 | 扬州金盛成套电气设备有限公司 | Intelligent permanent magnetic direct drive wind generator set control device |
| CN103603732A (en) * | 2013-11-29 | 2014-02-26 | 柳州职业技术学院 | Diesel generator controller with intelligent system |
| CN104199317A (en) * | 2014-07-12 | 2014-12-10 | 河北工业大学 | Steam generator controller |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991980A (en) * | 2017-11-30 | 2018-05-04 | 杭州威衡科技有限公司 | A kind of polyphase machine state stored program controlled |
| CN108075492A (en) * | 2017-12-26 | 2018-05-25 | 云南电网有限责任公司 | Automatically control the new-energy grid-connected control method automatically switched with emergency scheduling control |
| CN108075492B (en) * | 2017-12-26 | 2021-11-05 | 云南电网有限责任公司 | New energy grid-connected control method for automatic control and automatic switching of emergency dispatching control |
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Application publication date: 20150513 |