WO2013075264A1 - Power frequency brushless synchronous generator with twin permanent magnets - Google Patents
Power frequency brushless synchronous generator with twin permanent magnets Download PDFInfo
- Publication number
- WO2013075264A1 WO2013075264A1 PCT/CN2011/001943 CN2011001943W WO2013075264A1 WO 2013075264 A1 WO2013075264 A1 WO 2013075264A1 CN 2011001943 W CN2011001943 W CN 2011001943W WO 2013075264 A1 WO2013075264 A1 WO 2013075264A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- permanent magnet
- rotor
- power frequency
- stator
- signal sensor
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/225—Detecting coils
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/38—Structural association of synchronous generators with exciting machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
Definitions
- the invention relates to a permanent magnet motor, in particular to a double permanent magnet power frequency brushless synchronous generator. Background technique
- the electric excitation power frequency brushless synchronous generator has good electrical performance index and can meet the requirements of various users for power supply quality. However, compared with the permanent magnetic power frequency brushless synchronous generator, its efficiency is low, and the volume is relatively large and the quality is relatively high. weight. However, the current permanent magnet power frequency synchronous generator has the advantages of small size, light weight, high efficiency, and low consumables.
- the voltage is not adjustable, the steady-state high-voltage rate is poor, and the power supply quality is poor; the load power factor adaptability is also poor, and the load power factor can only be 0.9 (hysteresis); under the above load, The voltage regulation rate can only reach ⁇ 10%; the voltage change of the generator in the hot and cold state is also large.
- the present invention provides a shortcoming that can solve the problem that the existing permanent magnet power frequency brushless synchronous generator is uncontrollable, the voltage is not adjustable, the steady-state voltage regulation rate is poor, and the permanent magnet can be improved. Dual-permanent power frequency brushless synchronous generator with power factor adaptability of power frequency brushless synchronous generator.
- the present invention provides a dual permanent magnet power frequency brushless synchronous generator in which a composite stator, a permanent magnet rotor and a compensation rotor are mounted inside the body, and the permanent magnet rotor and the compensation rotor are disposed in the a lower end of the composite stator, one end of the rotor is disposed inside the body, and a permanent magnet exciter assembly and a signal sensor assembly are mounted on a rear end of the composite stator and the compensation rotor, in the permanent magnet exciter a rotating AVR is also mounted on the assembly and the lower end of the signal sensor assembly;
- the permanent magnet exciter assembly is composed of a permanent magnet exciter stator and the permanent magnet exciter rotor, the permanent magnet exciter stator is disposed at an upper end of the permanent magnet exciter rotor; and the signal sensor assembly is composed of a signal sensor stator Constructed with a signal sensor rotor, the signal sensor stator is disposed at an upper end of the signal sensor rot
- the composite stator is composed of a permanent magnet motor stator and a compensation motor stator connected in series.
- the permanent magnet rotor is constructed by using a plurality of rotor magnetic circuit structures, which are divided into a radial magnetic circuit structure, a built-in tangential magnetic circuit structure, and a built-in hybrid magnetic circuit structure.
- the body is composed of a base, a front end cover and a rear end cover, the front end cover and the rear end cover are mounted at two ends of the base, and the rotor passes through the bearing chamber on the front and rear end covers
- the bearing in the middle is fixed and disposed in the base.
- a outlet box is mounted on the base, and a measuring unit is also mounted in the outlet box.
- An inner fan is also mounted at the front end of the permanent magnet rotor.
- An outer fan is mounted at a rear end of the rear end cover.
- a fan cover is attached to the outside of the base.
- the present invention has the following advantages:
- the invention provides a double permanent magnet power frequency brushless synchronous generator, wherein a composite stator, a permanent magnet rotor and a compensation rotor are installed inside the body, a permanent magnet rotor and a compensation rotor are arranged at a lower end of the composite stator, and one end of the rotor is disposed. Inside the body, a permanent magnet exciter assembly and a signal sensor assembly are mounted at the rear end of the composite stator and the compensating rotor.
- a rotating AVR is also mounted at the lower end of the permanent magnet exciter assembly and the signal sensor assembly, and the permanent magnet exciter assembly is
- the permanent magnet exciter stator is composed of the permanent magnet exciter rotor
- the signal sensor assembly is composed of a signal sensor stator and a signal sensor rotor.
- the invention can reduce the volume and weight by 30%-40%, and the manufacturing material can save 20%-30%, and adopts the forward and reverse series compensation technologies to improve the adaptability of the motor power factor;
- the rotating AVR can solve the shortcomings of the existing permanent magnet power frequency brushless synchronous generator that the excitation is uncontrollable and the voltage is not adjustable, and the voltage adjustment level is improved.
- the permanent magnet excitation technology is used, and the efficiency can be improved compared with the electric excitation power frequency brushless synchronous generator. 4 to 8 percentage points.
- Figure 1 is a partial cross-sectional view of the present invention 1 rotor 2 front cover 3 outlet box
- the present invention provides a dual permanent magnet power frequency brushless synchronous generator
- the body is composed of a base 4, a composite stator 6, a permanent magnet exciter stator 9, a rotor 1, a front end cover 2 and a rear.
- the end cover 14 is configured to have a fan cover 16 mounted on the outer side of the base 4, and the front end cover 2 and the rear end cover 14 are mounted on both ends of the base 4, one end of the rotor 1 is inserted through the front end cover 2, and the other end is passed through the rear end cover. 14, and is set in the base 4.
- a composite stator 6, a permanent magnet rotor 7, a compensating rotor 8 and a bearing 18 are mounted inside the base 4, a permanent magnet rotor 7 and a compensating rotor 8 are disposed at the lower end of the composite stator 6, and the composite stator 6 is connected by a series connected permanent magnet motor.
- the stator is composed of a stator of the compensation motor.
- the permanent magnet rotor 7 is composed of a plurality of rotor magnetic circuit structures, and the plurality of rotor magnetic circuit structures are divided into a radial magnetic tile magnetic circuit structure, a built-in tangential magnetic circuit structure, and a built-in hybrid magnetic circuit structure.
- a permanent magnet exciter assembly and a signal sensor assembly are mounted at the rear end of the composite stator 6 and the compensating rotor 7, and a rotating AVR 15 is also mounted at the lower end of the permanent magnet exciter assembly and the signal sensor assembly.
- the permanent magnet exciter assembly is composed of a permanent magnet exciter stator 9 and a permanent magnet exciter rotor 10, and a permanent magnet exciter stator 9 is disposed at the upper end of the permanent magnet exciter rotor 10.
- the signal sensor assembly is composed of a signal sensor stator 11 and a signal sensor rotor 12, and a signal sensor stator 11 is disposed at the upper end of the signal sensor rotor 12.
- a cable box 3 is mounted on the base 4, and a measuring unit 5 is mounted in the outlet box 3, and the measuring unit is mounted inside the side wall of the outlet box.
- An inner fan 17 is also attached to the front end of the permanent magnet rotor 7, and an outer fan 13 is attached to the rear end of the rear end cover.
- the permanent magnet main generator When the generator is dragged by the prime mover and reaches the rated speed, the permanent magnet main generator emits a no-load voltage exceeding the rated voltage, and the permanent magnet exciter also emits an excitation voltage for excitation.
- Rotating AVR After the signal sensor is subjected to the no-load voltage of the generator higher than the rated voltage (or other set voltage), the excitation current supplied to the compensation generator will be adjusted to return the generator voltage to the rated voltage (or other set voltage), and the voltage regulator can be adjusted.
- the generator terminal voltage can be set to the desired rated voltage (or other set voltage).
- the rotating AVR senses the voltage change after the load is applied. It adjusts the excitation current supplied to the compensation generator, and returns the terminal voltage to the rated voltage (or other setting voltage) to maintain the terminal voltage. , to achieve the purpose of constant generator voltage.
- the invention solves the problems that the excitation of the existing permanent magnet power frequency brushless synchronous generator is uncontrollable, the voltage is not adjustable, the power factor adaptability is poor, the steady state voltage adjustment rate is poor, and the voltage cold and hot state changes greatly.
- the invention also solves the problems of low efficiency, large generator volume and large generator consumables in the existing electric excitation power frequency brushless synchronous generator.
- the invention utilizes the rotating AVR to solve the problem that the existing permanent magnet power frequency brushless synchronous generator is uncontrollable and the voltage is not adjustable.
- the forward and reverse series compensation techniques are adopted to improve the power factor adaptability of the permanent magnetic power frequency brushless synchronous generator.
- the invention realizes the adjustable function of the excitation of the permanent magnet power frequency brushless synchronous generator, and overcomes many performance defects of the original permanent magnet power frequency brushless synchronous generator.
- the dual permanent magnet power frequency brushless synchronous generator is also a permanent magnetic power frequency brushless synchronous generator, which retains the advantages of small size, light weight, high efficiency and low consumables of the original permanent magnet generator. Therefore, the dual permanent magnet power frequency brushless synchronous generator is an efficient and energy-saving platform.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Of Eletrric Generators (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Disclosed is a power frequency brushless synchronous generator with twin permanent magnets. Inside the machine body are installed a composite stator (6), a permanent magnet rotor (7) and a compensating rotor (8), wherein the permanent magnet rotor and the compensating rotor are provided underneath the composite stator; a permanent magnet exciter assembly and a signal sensor assembly are installed behind the composite stator and the compensating rotor; a rotating automatic voltage regulator (AVR) (15) is also installed beneath the permanent magnet exciter assembly and the signal sensor assembly; the permanent magnet exciter assembly is composed of a permanent magnet exciter stator (9) and a permanent magnet exciter rotor (10); the signal sensor assembly is composed of a signal sensor stator (11) and a signal sensor rotor (12). The power frequency brushless synchronous generator with twin permanent magnets employs forward and reverse series-compensation technology to improve the power factor adaptability of the generator, and using a rotating AVR provides a solution to the drawbacks of lack of excitation control and lack of voltage regulation in existing power frequency brushless synchronous generators with permanent magnets, improving the level of regulation of voltage. Compared with power frequency brushless synchronous generators using electrical excitation, by means of permanent magnet excitation technology, the efficiency of the power frequency synchronous generator with twin permanent magnets can be increased by 4-8%, the volume and weight can be decreased by 30—40%, and consumption of copper and iron can be saved by approximately 20-30%.
Description
双永磁工频无刷同步发电机 技术领域 Double permanent magnet power frequency brushless synchronous generator
本发明涉及一种永磁电机， 尤其是一种双永磁工频无刷同步发电机。 背景技术 The invention relates to a permanent magnet motor, in particular to a double permanent magnet power frequency brushless synchronous generator. Background technique
目前， 广泛使用的工频无刷同步发电机均为电励磁的工频无刷同步发电 机。经过近一个多世纪的发展， 该产品技术已非常成熟， 各国均有自己的该产 品标准。 我国的该类产品的国家标准为： JB/T10747-2007 《整个凸极式无 刷三相同步发电机技术条件》。 At present, widely used power frequency brushless synchronous generators are electrically excited power frequency brushless synchronous generators. After nearly a century of development, the product technology is very mature, and each country has its own product standard. The national standard for such products in China is: JB/T10747-2007 "Technical conditions for the entire salient-pole brushless three-phase synchronous generator".
电励磁工频无刷同步发电机电性能指标好， 能满足各种用户对供电品质的 要求， 但与永磁工频无刷同步发电机相比较， 其效率较低， 同时体积比较大、 质量较重。 而目前的永磁工频同步发电机虽具有体积小、 质量轻、 效率高、 耗 材少等优点。但这种发电机由于励磁不可控， 电压不可调， 稳态高压率差， 使 供电品质较差；负载功率因数适应能力也差，负载功率因数只能为 0.9 (滞后）； 在上述负载下，调压率只能达到 ± 10%;发电机冷热状态电压变化也较大等等。 The electric excitation power frequency brushless synchronous generator has good electrical performance index and can meet the requirements of various users for power supply quality. However, compared with the permanent magnetic power frequency brushless synchronous generator, its efficiency is low, and the volume is relatively large and the quality is relatively high. weight. However, the current permanent magnet power frequency synchronous generator has the advantages of small size, light weight, high efficiency, and low consumables. However, due to the uncontrollable excitation of the generator, the voltage is not adjustable, the steady-state high-voltage rate is poor, and the power supply quality is poor; the load power factor adaptability is also poor, and the load power factor can only be 0.9 (hysteresis); under the above load, The voltage regulation rate can only reach ± 10%; the voltage change of the generator in the hot and cold state is also large.
上述永磁发电机的性能满足不了绝大多数使用用户对供电品质的需要， 所 以使该种永磁无刷工频发电机的推广使用受到了限制。 发明内容 The performance of the above permanent magnet generator can not meet the needs of most users to use the power quality, so the promotion and use of this kind of permanent magnet brushless power frequency generator is limited. Summary of the invention
针对上述问题中存在的不足之处，本发明提供一种可解决现有永磁工频无 刷同步发电机励磁不可控， 电压不可调， 稳态调压率差的缺点， 还可以提高永 磁工频无刷同步发电机的功率因数适应能力的双永磁工频无刷同步发电机。 In view of the deficiencies in the above problems, the present invention provides a shortcoming that can solve the problem that the existing permanent magnet power frequency brushless synchronous generator is uncontrollable, the voltage is not adjustable, the steady-state voltage regulation rate is poor, and the permanent magnet can be improved. Dual-permanent power frequency brushless synchronous generator with power factor adaptability of power frequency brushless synchronous generator.
为实现上述目的， 本发明提供一种双永磁工频无刷同步发电机，在机体的 内部安装有复合定子、永磁转子以及补偿转子，所述永磁转子以及所述补偿转 子设置在所述复合定子的下端， 转子的一端穿设于所述机体的内部，在所述复 合定子与所述补偿转子的后端安装有永磁励磁机组件以及信号传感器组件，在 所述永磁励磁机组件以及所述信号传感器组件的下端还安装有旋转 AVR; 所
述永磁励磁机组件由永磁励磁机定子与所述永磁励磁机转子构成，所述永磁励 磁机定子设置在所述永磁励磁机转子的上端；所述信号传感器组件由信号传感 器定子与信号传感器转子构成，所述信号传感器定子设置在所述信号传感器转 子的上端。 To achieve the above object, the present invention provides a dual permanent magnet power frequency brushless synchronous generator in which a composite stator, a permanent magnet rotor and a compensation rotor are mounted inside the body, and the permanent magnet rotor and the compensation rotor are disposed in the a lower end of the composite stator, one end of the rotor is disposed inside the body, and a permanent magnet exciter assembly and a signal sensor assembly are mounted on a rear end of the composite stator and the compensation rotor, in the permanent magnet exciter a rotating AVR is also mounted on the assembly and the lower end of the signal sensor assembly; The permanent magnet exciter assembly is composed of a permanent magnet exciter stator and the permanent magnet exciter rotor, the permanent magnet exciter stator is disposed at an upper end of the permanent magnet exciter rotor; and the signal sensor assembly is composed of a signal sensor stator Constructed with a signal sensor rotor, the signal sensor stator is disposed at an upper end of the signal sensor rotor.
所述复合定子由串联连接的永磁电机定子与补偿电机定子构成。 The composite stator is composed of a permanent magnet motor stator and a compensation motor stator connected in series.
所述永磁转子采用多种转子磁路结构构成，所述多种转子磁路结构分为径 向磁瓦式磁路结构、 内置切向式磁路结构以及内置混合式磁路结构。 The permanent magnet rotor is constructed by using a plurality of rotor magnetic circuit structures, which are divided into a radial magnetic circuit structure, a built-in tangential magnetic circuit structure, and a built-in hybrid magnetic circuit structure.
所述机体由机座、前端盖以及后端盖构成，所述前端盖与所述后端盖安装 在所述机座的两端， 所述转子通过所述前、 后端盖上的轴承室中的轴承固定， 并设置于所述机座中。 The body is composed of a base, a front end cover and a rear end cover, the front end cover and the rear end cover are mounted at two ends of the base, and the rotor passes through the bearing chamber on the front and rear end covers The bearing in the middle is fixed and disposed in the base.
在所述机座上安装有出线盒， 在所述出线盒中还安装有测量单元。 A outlet box is mounted on the base, and a measuring unit is also mounted in the outlet box.
在所述永磁转子的前端还安装有内风扇。 An inner fan is also mounted at the front end of the permanent magnet rotor.
在所述后端盖的后端安装有外风扇。 An outer fan is mounted at a rear end of the rear end cover.
在所述机座的外侧安装有风扇罩。 A fan cover is attached to the outside of the base.
与现有技术相比， 本发明具有以下优点： Compared with the prior art, the present invention has the following advantages:
本发明提供一种双永磁工频无刷同步发电机，在机体的内部安装有复合定 子、 永磁转子以及补偿转子， 永磁转子以及补偿转子设置在复合定子的下端， 转子的一端穿设于机体的内部，在复合定子与补偿转子的后端安装有永磁励磁 机组件以及信号传感器组件，在永磁励磁机组件以及信号传感器组件的下端还 安装有旋转 AVR, 永磁励磁机组件由永磁励磁机定子与所述永磁励磁机转子 构成，信号传感器组件由信号传感器定子与信号传感器转子构成。本发明与电 励磁发电机相比较， 其体积与重量可缩小 30%— 40% , 制造材料可省 20%— 30% , 采用正、 反向串联补偿技术， 提高了电机功率因数的适应能力； 利用旋 转 AVR可解决现有永磁工频无刷同步发电机励磁不可控，电压不可调的缺点， 提高电压的调整水平； 采用永磁励磁技术， 效率可比电励磁工频无刷同步发电 机提高 4〜8个百分点。 附图说明 The invention provides a double permanent magnet power frequency brushless synchronous generator, wherein a composite stator, a permanent magnet rotor and a compensation rotor are installed inside the body, a permanent magnet rotor and a compensation rotor are arranged at a lower end of the composite stator, and one end of the rotor is disposed. Inside the body, a permanent magnet exciter assembly and a signal sensor assembly are mounted at the rear end of the composite stator and the compensating rotor. A rotating AVR is also mounted at the lower end of the permanent magnet exciter assembly and the signal sensor assembly, and the permanent magnet exciter assembly is The permanent magnet exciter stator is composed of the permanent magnet exciter rotor, and the signal sensor assembly is composed of a signal sensor stator and a signal sensor rotor. Compared with the electric excitation generator, the invention can reduce the volume and weight by 30%-40%, and the manufacturing material can save 20%-30%, and adopts the forward and reverse series compensation technologies to improve the adaptability of the motor power factor; The rotating AVR can solve the shortcomings of the existing permanent magnet power frequency brushless synchronous generator that the excitation is uncontrollable and the voltage is not adjustable, and the voltage adjustment level is improved. The permanent magnet excitation technology is used, and the efficiency can be improved compared with the electric excitation power frequency brushless synchronous generator. 4 to 8 percentage points. DRAWINGS
图 1本发明的局部剖视图
1 转子 2前端盖 3出线盒 Figure 1 is a partial cross-sectional view of the present invention 1 rotor 2 front cover 3 outlet box
4机座 6复合定子 4 base 6 composite stator
7永磁转子 8补偿转子 9永磁励磁机定子 7 permanent magnet rotor 8 compensation rotor 9 permanent magnet exciter stator
10永磁励磁机转子 11 信号传感器定子 12信号传感器转子 10 permanent magnet exciter rotor 11 signal sensor stator 12 signal sensor rotor
13外风扇 14后端盖 15旋转 AVR 13 outer fan 14 rear end cover 15 rotation AVR
16风扇罩 17内风扇 18轴承 具体实施方式 16 fan cover 17 inner fan 18 bearing
如图 1至图 2所示， 本发明提供一种双永磁工频无刷同步发电机， 机体由 机座 4、 复合定子 6、 永磁励磁机定子 9、 转子 1、 前端盖 2以及后端盖 14构 成， 在机座 4的外侧安装有风扇罩 16， 前端盖 2与后端盖 14安装在机座 4的 两端， 转子 1的一端贯穿于前端盖 2， 另一端穿过后端盖 14， 并设置于机座 4 中。在机座 4的内部安装有复合定子 6、永磁转子 7、补偿转子 8以及轴承 18， 永磁转子 7以及补偿转子 8设置在复合定子 6的下端，复合定子 6由串联连接 的永磁电机定子与补偿电机定子构成。 永磁转子 7 采用多种转子磁路结构构 成， 多种转子磁路结构分为径向磁瓦式磁路结构、 内置切向式磁路结构以及内 置混合式磁路结构。在复合定子 6与补偿转子 7的后端安装有永磁励磁机组件 以及信号传感器组件，在永磁励磁机组件以及信号传感器组件的下端还安装有 旋转 AVR15。永磁励磁机组件由永磁励磁机定子 9与永磁励磁机转子 10构成， 永磁励磁机定子 9设置在永磁励磁机转子 10的上端。 信号传感器组件由信号 传感器定子 11与信号传感器转子 12构成， 信号传感器定子 11设置在信号传 感器转子 12的上端。 在机座 4上安装有出线盒 3， 在出线盒 3中还安装有测 量单元 5， 该测量单元安装在出线盒的侧壁内侧。 在永磁转子 7的前端还安装 有内风扇 17， 在后端盖的后端安装有外风扇 13。 As shown in FIG. 1 to FIG. 2, the present invention provides a dual permanent magnet power frequency brushless synchronous generator, the body is composed of a base 4, a composite stator 6, a permanent magnet exciter stator 9, a rotor 1, a front end cover 2 and a rear. The end cover 14 is configured to have a fan cover 16 mounted on the outer side of the base 4, and the front end cover 2 and the rear end cover 14 are mounted on both ends of the base 4, one end of the rotor 1 is inserted through the front end cover 2, and the other end is passed through the rear end cover. 14, and is set in the base 4. A composite stator 6, a permanent magnet rotor 7, a compensating rotor 8 and a bearing 18 are mounted inside the base 4, a permanent magnet rotor 7 and a compensating rotor 8 are disposed at the lower end of the composite stator 6, and the composite stator 6 is connected by a series connected permanent magnet motor. The stator is composed of a stator of the compensation motor. The permanent magnet rotor 7 is composed of a plurality of rotor magnetic circuit structures, and the plurality of rotor magnetic circuit structures are divided into a radial magnetic tile magnetic circuit structure, a built-in tangential magnetic circuit structure, and a built-in hybrid magnetic circuit structure. A permanent magnet exciter assembly and a signal sensor assembly are mounted at the rear end of the composite stator 6 and the compensating rotor 7, and a rotating AVR 15 is also mounted at the lower end of the permanent magnet exciter assembly and the signal sensor assembly. The permanent magnet exciter assembly is composed of a permanent magnet exciter stator 9 and a permanent magnet exciter rotor 10, and a permanent magnet exciter stator 9 is disposed at the upper end of the permanent magnet exciter rotor 10. The signal sensor assembly is composed of a signal sensor stator 11 and a signal sensor rotor 12, and a signal sensor stator 11 is disposed at the upper end of the signal sensor rotor 12. A cable box 3 is mounted on the base 4, and a measuring unit 5 is mounted in the outlet box 3, and the measuring unit is mounted inside the side wall of the outlet box. An inner fan 17 is also attached to the front end of the permanent magnet rotor 7, and an outer fan 13 is attached to the rear end of the rear end cover.
本发明的工作原理介绍如下： The working principle of the invention is as follows:
发电机在原动机拖动下， 达到额定转速左右时， 永磁主发电机发出超过额 定电压的空载电压， 永磁励磁机也发出供励磁用的励磁电压。 旋转 AVR通过
信号传感器受到发电机空载电压高于额定电压（或其它整定电压）后， 将调节 供给补偿发电机的励磁电流， 使发电机电压回到额定电压（或其它整定电压）， 调节调压电位器， 可以将发电机端电压整定在所需要的额定电压（或其它整定 电压） 的位置上。 当发电机加上负载后， 旋转 AVR感受到加负载后的电压变 化， 它将调节供给补偿发电机的励磁电流， 使端电压回到额定电压（或其它整 定电压） 附近， 维持端电压不变， 达到恒定发电机电压的目的。 When the generator is dragged by the prime mover and reaches the rated speed, the permanent magnet main generator emits a no-load voltage exceeding the rated voltage, and the permanent magnet exciter also emits an excitation voltage for excitation. Rotating AVR through After the signal sensor is subjected to the no-load voltage of the generator higher than the rated voltage (or other set voltage), the excitation current supplied to the compensation generator will be adjusted to return the generator voltage to the rated voltage (or other set voltage), and the voltage regulator can be adjusted. , The generator terminal voltage can be set to the desired rated voltage (or other set voltage). When the generator is loaded, the rotating AVR senses the voltage change after the load is applied. It adjusts the excitation current supplied to the compensation generator, and returns the terminal voltage to the rated voltage (or other setting voltage) to maintain the terminal voltage. , to achieve the purpose of constant generator voltage.
本发明解决了现有永磁工频无刷同步发电机中励磁不可控， 电压不可调 整、 功率因数适应性差、 稳态电压调整率差、 电压冷热态变化大的问题。 The invention solves the problems that the excitation of the existing permanent magnet power frequency brushless synchronous generator is uncontrollable, the voltage is not adjustable, the power factor adaptability is poor, the steady state voltage adjustment rate is poor, and the voltage cold and hot state changes greatly.
另外， 本发明还解决了现有电励磁工频无刷同步发电机中发电机效率较 低、 发电机体积较大、 发电机耗材较多的问题。 In addition, the invention also solves the problems of low efficiency, large generator volume and large generator consumables in the existing electric excitation power frequency brushless synchronous generator.
本发明利用旋转 AVR解决现有永磁工频无刷同步发电机励磁不可控， 电 压不可调问题； 采用正、 反向串联补偿技术， 提高永磁工频无刷同步发电机的 功率因数适应能力， 使 COS l) = 1.0〜0.85 (滞后） 或 COS l) = 1.0〜0.80 (滞 后）； 采用旋转 AVR技术提高永磁发电机的稳态电压调整水平 stu ±2.5%; 采用永磁励磁技术，效率可比电励磁工频无刷同步发电机提高 4〜8个百分点； 体积和重量可缩小 30%〜40%， 耗材 （铜、 铁） 可节省 30%左右。 The invention utilizes the rotating AVR to solve the problem that the existing permanent magnet power frequency brushless synchronous generator is uncontrollable and the voltage is not adjustable. The forward and reverse series compensation techniques are adopted to improve the power factor adaptability of the permanent magnetic power frequency brushless synchronous generator. , make COS l) = 1.0~0.85 (hysteresis) or COS l) = 1.0~0.80 (hysteresis); use the rotating AVR technology to improve the steady-state voltage regulation level of the permanent magnet generator stu ± 2.5% ; using permanent magnet excitation technology, The efficiency can be increased by 4~8 percentage points compared with the electric excitation power frequency brushless synchronous generator; the volume and weight can be reduced by 30%~40%, and the consumables (copper, iron) can save about 30%.
本发明由于实现了永磁工频无刷同步发电机励磁的可调节功能， 使原永磁 工频无刷同步发电机的许多性能缺陷得到克服。双永磁工频无刷同步发电机又 是一种永磁工频无刷同步发电机， 它保留了原永磁发电机体积小、质量轻、 效 率高、耗材少等优点。所以双永磁工频无刷同步发电机是一种高效、 节材的节 台匕 口 The invention realizes the adjustable function of the excitation of the permanent magnet power frequency brushless synchronous generator, and overcomes many performance defects of the original permanent magnet power frequency brushless synchronous generator. The dual permanent magnet power frequency brushless synchronous generator is also a permanent magnetic power frequency brushless synchronous generator, which retains the advantages of small size, light weight, high efficiency and low consumables of the original permanent magnet generator. Therefore, the dual permanent magnet power frequency brushless synchronous generator is an efficient and energy-saving platform.
匕广^口口。 匕广^口口.
惟以上所述者，仅为本发明的较佳实施例而已，举凡熟悉此项技艺的专业 人士， 在了解本发明的技术手段之后， 自然能依据实际的需要， 在本发明的教 导下加以变化。因此凡依本发明申请专利范围所作的同等变化与修饰， 应仍属 本发明专利涵盖的范围内。
However, the above description is only a preferred embodiment of the present invention, and those skilled in the art will naturally be able to change the teachings of the present invention according to actual needs after understanding the technical means of the present invention. . Therefore, equivalent changes and modifications made in accordance with the scope of the present invention should remain within the scope of the present invention.
Claims
权 利 要 求 书 Claims
、 一种双永磁工频无刷同步发电机， 在机体的内部安装有复合定子、 永磁转 子以及补偿转子， 所述永磁转子以及所述补偿转子设置在所述复合定子的 下端， 转子的一端穿设于所述机体的内部， 其特征在于， 在所述复合定子 与所述补偿转子的后端安装有永磁励磁机组件以及信号传感器组件， 在所 述永磁励磁机组件以及所述信号传感器组件的下端还安装有旋转 AVR; 所述永磁励磁机组件由永磁励磁机定子与所述永磁励磁机转子构成， 所述 永磁励磁机定子设置在所述永磁励磁机转子的上端； a dual permanent magnet power frequency brushless synchronous generator, in which a composite stator, a permanent magnet rotor and a compensation rotor are mounted, the permanent magnet rotor and the compensation rotor are disposed at a lower end of the composite stator, and a rotor One end of the body is disposed inside the body, and a permanent magnet exciter assembly and a signal sensor assembly are mounted on a rear end of the composite stator and the compensation rotor, and the permanent magnet exciter assembly and the The lower end of the signal sensor assembly is further mounted with a rotating AVR; the permanent magnet exciter assembly is composed of a permanent magnet exciter stator and the permanent magnet exciter rotor, and the permanent magnet exciter stator is disposed on the permanent magnet exciter The upper end of the rotor;
所述信号传感器组件由信号传感器定子与信号传感器转子构成， 所述信号 传感器定子设置在所述信号传感器转子的上端。 The signal sensor assembly is comprised of a signal sensor stator and a signal sensor rotor, the signal sensor stator being disposed at an upper end of the signal sensor rotor.
、 如权利要求 1所述的一种双永磁工频无刷同步发电机， 其特征在于， 所述 复合定子由串联连接的永磁电机定子与补偿电机定子构成。 A dual permanent magnet power frequency brushless synchronous generator according to claim 1, wherein said composite stator is composed of a permanent magnet motor stator and a compensation motor stator connected in series.
、 如权利要求 1所述的一种双永磁工频无刷同步发电机， 其特征在于， 所述 永磁转子采用多种转子磁路结构构成， 所述多种转子磁路结构分为径向磁 瓦式磁路结构、 内置切向式磁路结构以及内置混合式磁路结构。 The dual permanent magnet power frequency brushless synchronous generator according to claim 1, wherein the permanent magnet rotor is formed by using a plurality of rotor magnetic circuit structures, and the plurality of rotor magnetic circuit structures are divided into diameters. The magnetic tile type magnetic circuit structure, the built-in tangential magnetic circuit structure, and the built-in hybrid magnetic circuit structure.
、 如权利要求 1所述的一种双永磁工频无刷同步发电机， 其特征在于， 所述 机体由机座、 前端盖以及后端盖构成， 所述前端盖与所述后端盖安装在所 述机座的两端， 所述转子通过所述前、 后端盖上的轴承室中的轴承固定， 并设置于所述机座中。 The dual permanent magnet power frequency brushless synchronous generator according to claim 1, wherein the body is composed of a base, a front end cover and a rear end cover, and the front end cover and the rear end cover Mounted at both ends of the base, the rotor is fixed by bearings in the bearing chambers on the front and rear end covers, and is disposed in the base.
、 如权利要求 4所述的一种双永磁工频无刷同步发电机,其特征在于， 在所述 机座上安装有出线盒， 在所述出线盒中还安装有测量单元。 A dual permanent magnet power frequency brushless synchronous generator according to claim 4, wherein a outlet box is mounted on the base, and a measuring unit is further mounted in the outlet box.
、 如权利要求 1所述的一种双永磁工频无刷同步发电机， 其特征在于， 在所 述永磁转子的前端还安装有内风扇。
A dual permanent magnet power frequency brushless synchronous generator according to claim 1, wherein an inner fan is further mounted at a front end of said permanent magnet rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/001943 WO2013075264A1 (en) | 2011-11-22 | 2011-11-22 | Power frequency brushless synchronous generator with twin permanent magnets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/001943 WO2013075264A1 (en) | 2011-11-22 | 2011-11-22 | Power frequency brushless synchronous generator with twin permanent magnets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013075264A1 true WO2013075264A1 (en) | 2013-05-30 |
Family
ID=48468974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2011/001943 WO2013075264A1 (en) | 2011-11-22 | 2011-11-22 | Power frequency brushless synchronous generator with twin permanent magnets |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2013075264A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967984A (en) * | 2006-10-20 | 2007-05-23 | 泰豪科技股份有限公司 | Permanent-magnet intermediate frequency brushless three-phase synchronization motor with double electric inducing voltage regulation function |
| CN201781388U (en) * | 2010-09-02 | 2011-03-30 | 深圳市安托山特种机械有限公司 | Dual permanent-magnet power-frequency brushless synchronous generator |
-
2011
- 2011-11-22 WO PCT/CN2011/001943 patent/WO2013075264A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967984A (en) * | 2006-10-20 | 2007-05-23 | 泰豪科技股份有限公司 | Permanent-magnet intermediate frequency brushless three-phase synchronization motor with double electric inducing voltage regulation function |
| CN201781388U (en) * | 2010-09-02 | 2011-03-30 | 深圳市安托山特种机械有限公司 | Dual permanent-magnet power-frequency brushless synchronous generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201219227Y (en) | Permanent magnet synchronous machine rotor | |
| CN104300758B (en) | H250 sex-pole harmonic excitation generator | |
| CN101404433A (en) | Miniature direct-drive permanent magnet synchronous aerogenerator and its small-sized wind power generation system | |
| CN201781388U (en) | Dual permanent-magnet power-frequency brushless synchronous generator | |
| CN102315736A (en) | Double permanent magnet power-frequency brushless synchronous generator | |
| CN201860217U (en) | Parallel-structured brushless composite-excitation synchronous motor without additional air gap | |
| CN102005875A (en) | Brushless parallel-structure hybrid excitation synchronous generator without additional air gap | |
| CN201860232U (en) | Hybrid excitation synchronous generator in parallel structure without electric excitation rotor | |
| WO2013075264A1 (en) | Power frequency brushless synchronous generator with twin permanent magnets | |
| CN202034875U (en) | Permanent-magnet brush AC synchronous generator of combined excitation mode | |
| CN201717724U (en) | Disc type permanent-magnetism synchronous direct-current motor group with multiple combined power | |
| CN201044396Y (en) | Gas engine driven DC arc-welding generator | |
| CN101404434B (en) | Wind power generation system | |
| CN209389800U (en) | A kind of DC brushless electric motor | |
| CN201118394Y (en) | Multi-power three-phase energy-saving electromotor | |
| CN208849643U (en) | A kind of AC magnetoelectric machine | |
| CN207612158U (en) | A kind of New Type Alternating Current | |
| CN100385778C (en) | Mictomagnetism dual voltage medium frequency brushless synchronous generator | |
| CN203574516U (en) | Brushless electro-magnetic lower-speed generator applicable to low-wind-speed wind mill | |
| CN108988580A (en) | A kind of Width funtion commutator generator | |
| CN204304744U (en) | The two Permanent-magnets mono-phase no-brush synchronous generator of low speed totally enclosed type | |
| CN103546007B (en) | Brushless electro-magnetic low-speed generator suitable for low-wind-speed wind turbine | |
| CN202206281U (en) | Single-phase controllable capacitor excited brushless generator | |
| CN207728509U (en) | Refrigerant pump | |
| CN2681441Y (en) | Mictomagnetism dual voltage medium frequency brushless synchronous generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11876061 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 11876061 Country of ref document: EP Kind code of ref document: A1 |