CN102025309A - Brushless static excitation system for turbonator - Google Patents
Brushless static excitation system for turbonator Download PDFInfo
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- CN102025309A CN102025309A CN 201010616972 CN201010616972A CN102025309A CN 102025309 A CN102025309 A CN 102025309A CN 201010616972 CN201010616972 CN 201010616972 CN 201010616972 A CN201010616972 A CN 201010616972A CN 102025309 A CN102025309 A CN 102025309A
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- China
- Prior art keywords
- coil
- turbonator
- turbo generator
- brushless
- exciter
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Abstract
A brushless static excitation system for a turbonator comprises an exciter coil, an exciter wire pivot, a commutating pole coil, a resistor with a variable magnetic field, an exciting switch and a turbonator exciting coil; the other end of the exciter wire pivot is connected with one end of the commutating pole coil; the other end of the commutating pole coil is respectively connected with one end of the second blade of the exciting switch and one end of the resistor with a variable magnetic field; and the other ends of the first blade and the second blade of the exciting switch are respectively connected with the two ends of the turbonator exciting coil. In the invention, the turbonator works in a dead load manner in a short time at a fixed rotational speed; the time for dead load operation can meet the requirements of regulating systematic static characteristics and power generator after the turbonator starts; furthermore, the turbonator is provided with a mature and reliable emergent safety system and a motion indicator to prevent overspeed; and a digital electro-hydraulic system is used for realizing the variable regulation of a regulator loop and the static self-regulation function of the system.
Description
Technical field
The present invention relates to the power technology field, particularly relate to the brushless static excitation system of turbo generator.
Background technology
Because the requirement to supply of electric power when enterprise's production scale enlarges increases gradually; stable in order to guarantee to produce real-time voltage; realize that voltage-regulation is from the motion tracking line voltage; realize overload inspections, low pressure inspection, cross slowdown monitoring, exciting voltage goes offline monitoring, runaway, anti-interference and integrated protection function, needs research and develop the brushless static excitation system of a kind of turbo generator.
Summary of the invention
The objective of the invention is to avoid weak point of the prior art and provide a kind of turbo generator brushless static excitation system.
Purpose of the present invention realizes by following technical measures.
The brushless static excitation system of turbo generator comprises exciter coil, exciter line pivot, commutating-pole coil, magnetic field variable resistor, field switch and turbo generator magnet exciting coil; Described field switch is a double-pole single throw, one end of described exciter coil is connected in an end of first cutter of end of exciter line pivot and described field switch, the other end of described exciter coil is connected in the variable-resistance end in described magnetic field, the other end of described exciter line pivot is connected in an end of described commutating-pole coil, the other end of described commutating-pole coil is connected to the variable-resistance other end of an end and described magnetic field of second cutter of described field switch, and the other end of first cutter of described field switch and the other end of second cutter are connected to the two ends of described turbo generator magnet exciting coil.
Comprise the operation indicator that is installed on turbo generator.
Comprise the emergency overspeed governor that is installed on turbo generator.
Comprise the digital electro-hydraulic control system that is installed on steam turbine.
Exciting current is no more than 16A.
The present invention makes turbo generator at no-load run of following short time of rated speed, the time of no-load run can be satisfied the demand that steam turbine starts back regulating system static characteristic test and generator test, and turbo generator is provided with the critical security system of mature and reliable, operation indicator is set, prevent hypervelocity, realize that with digital electro-hydraulic control system the regulator loop variable is regulated and system is static from whole function.
Description of drawings
The present invention will be further described to utilize accompanying drawing, but the content in the accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the system schematic of an embodiment of the brushless static excitation system of turbo generator of the present invention.
Embodiment
The invention will be further described with the following Examples.
An embodiment of the brushless static excitation system of turbo generator of the present invention comprises exciter coil 1, exciter line pivot 2, commutating-pole coil 3, magnetic field variable resistor 4, field switch 5 and turbo generator magnet exciting coil 6 as shown in Figure 1; Described field switch 5 is a double-pole single throw, one end of described exciter coil 1 is connected in an end of first cutter of end of exciter line pivot 2 and described field switch 5, the other end of described exciter coil 1 is connected in an end of described magnetic field variable resistor 4, the other end of described exciter line pivot 2 is connected in an end of described commutating-pole coil 3, the other end of described commutating-pole coil 3 is connected to the end of second cutter of described field switch 5 and the other end of described magnetic field variable resistor 4, the other end of first cutter of described field switch 5 and the other end of second cutter are connected to the two ends of described turbo generator magnet exciting coil 6, and wherein exciting current is no more than 16A.
Present embodiment also comprises operation indicator, emergency overspeed governor and the digital electro-hydraulic control system that is installed on turbo generator.
Should be noted that at last; above embodiment only is used to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical solution of the present invention.
Claims (5)
1. the brushless static excitation system of turbo generator is characterized in that: comprise exciter coil, exciter line pivot, commutating-pole coil, magnetic field variable resistor, field switch and turbo generator magnet exciting coil; Described field switch is a double-pole single throw, one end of described exciter coil is connected in an end of first cutter of end of exciter line pivot and described field switch, the other end of described exciter coil is connected in the variable-resistance end in described magnetic field, the other end of described exciter line pivot is connected in an end of described commutating-pole coil, the other end of described commutating-pole coil is connected to the variable-resistance other end of an end and described magnetic field of second cutter of described field switch, and the other end of first cutter of described field switch and the other end of second cutter are connected to the two ends of described turbo generator magnet exciting coil.
2. the brushless static excitation system of turbo generator according to claim 1 is characterized in that: comprise the operation indicator that is installed on turbo generator.
3. the brushless static excitation system of turbo generator according to claim 1 is characterized in that: comprise the emergency overspeed governor that is installed on turbo generator.
4. the brushless static excitation system of turbo generator according to claim 1 is characterized in that: comprise the digital electro-hydraulic control system that is installed on steam turbine.
5. the brushless static excitation system of turbo generator according to claim 1, it is characterized in that: exciting current is no more than 16A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010616972 CN102025309A (en) | 2010-12-31 | 2010-12-31 | Brushless static excitation system for turbonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010616972 CN102025309A (en) | 2010-12-31 | 2010-12-31 | Brushless static excitation system for turbonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102025309A true CN102025309A (en) | 2011-04-20 |
Family
ID=43866268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010616972 Pending CN102025309A (en) | 2010-12-31 | 2010-12-31 | Brushless static excitation system for turbonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102025309A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073557A (en) * | 1991-12-20 | 1993-06-23 | 湖南省电力试验研究所 | The synchronous machine of excitation of direct current generator is born the excitation operation method |
| JPH07194197A (en) * | 1993-12-28 | 1995-07-28 | Toshiba Corp | Thyristor exciting device for synchronous machine |
| CN201908955U (en) * | 2010-12-28 | 2011-07-27 | 李记东 | Pressure equalization groove structure for pneumatic bearing |
-
2010
- 2010-12-31 CN CN 201010616972 patent/CN102025309A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073557A (en) * | 1991-12-20 | 1993-06-23 | 湖南省电力试验研究所 | The synchronous machine of excitation of direct current generator is born the excitation operation method |
| JPH07194197A (en) * | 1993-12-28 | 1995-07-28 | Toshiba Corp | Thyristor exciting device for synchronous machine |
| CN201908955U (en) * | 2010-12-28 | 2011-07-27 | 李记东 | Pressure equalization groove structure for pneumatic bearing |
Non-Patent Citations (1)
| Title |
|---|
| 《有色矿冶》 20060630 赵宇 浅谈同步发电机的励磁系统 第2小节、图1 1-5 第22卷, 第3期 * |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110420 |