CN100359422C

CN100359422C - Equation power controller

Info

Publication number: CN100359422C
Application number: CNB200410093527XA
Authority: CN
Inventors: 朱利法
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2004-12-24
Filing date: 2004-12-24
Publication date: 2008-01-02
Anticipated expiration: 2024-12-24
Also published as: CN1635436A

Abstract

The present invention relates to an equation electric power controller which comprises a rectifier bridge module, inverted diode modules, a filter circuit module, a transistor (IGBT) module and a system controlling module, wherein the rectifier bridge module is directly connected to an alternating current network power input module; the inverted diode modules are connected in parallel to a load; the filter circuit module is connected between the alternating current network power input module and the rectifier bridge module and is composed of an inductor and a high frequency capacitor; the transistor (IGBT) module is connected to a positive electrode or a negative electrode between the rectifier bridge module and the inverted diode modules connected in parallel; the system controlling module is connected to the transistor (IGBT) module.

Description

The equation power controller

Technical field

The present invention relates to the device of electric power adjusting, conversion and the control of electric current and voltage, especially a kind of equation power controller.

Background technology

The conversion of an electric power needs a circuit arrangement and realizes, this circuit arrangement can effectively be controlled and regulate the electric power of its input and output, make it have effective change of voltage and the synthetic electric energy function of electric current, the transmission result of this synthetic electric energy function can satisfy the load service of the different electric power of multiple needs.In the control device of change-over circuit and electric power switch technology, usually the rule that changes is: from a feed end that possesses higher voltage, electric current, conversion most one need be than the load service of low electric power; Perhaps possess lower voltage, the feed end of electric current from one, be converted in the load of a higher electric power of needs.By the optimal design of circuit arrangement, make it can obtain higher conversion efficiency and performance, thereby the electric power of output is obtained balance on the whole with the electric power of importing basically.

At present, in the known electric power transducer, comprise the electric power load module that is directly connected in AC network, the rectifier bridge module, with the electric power transducer of the big electric capacity that is parallel to rectification bridge output end (except direct supply, the Switching Power Supply) module, controllable silicon converter etc., can then produce big harmonic pollution to the power supply of AC network, may directly influence and reduce the transfer efficiency and the power factor (PF) of AC network, thereby the design, develop good converter, controller, exist huge economize on electricity, energy-saving potential.

Summary of the invention

The purpose of this invention is to provide a kind of can be little to AC power harmonic pollution then, can good performance be arranged to the symmetry of three phase network, the operation of balance, and have the constant control performance of multiple physical quantity: the equation power controller.

The objective of the invention is to finish by following technical proposals:

This equation power controller, comprise the rectifier bridge module that is directly connected in AC network electric power load module, with the backward dioded module that is parallel in the load, replaced the big electric capacity that is parallel in the prior art on the rectifier bridge module with the filtering circuit module of forming by inductance and high frequency capacitance that is connected between AC network electric power load module and the rectifier bridge module; And, connect a transistor (IGBT) module on the positive pole between the diode (led) module of rectifier bridge module and reverse parallel connection or on the negative pole; And connected a control system module in transistor (IGBT) module.Because the equation power controller is in the high-frequency work state, so as long as design by adorning one group of inductance and little high-frequency ac electric capacity of electric capacity that inductance value is little at the input end of alternating electromotive force, make it form the low pass of function admirable and the high-frequency impulse wave filter that can compensate, electrical network impact and high-frequency electromagnetic then polluted to stop the high-frequency impulse exciting curent.

The control system module comprises: be connected on transistor (IGBT) module three control of C, the E of transistor (IGBT), G utmost point module; Three of C, E, G being connected transistor (IGBT) control on the utmost point module chip for driving module; Be connected on the chip for driving module adjustable pulse-width Signal Spacing module; Be connected on the Signal Spacing module adjustable pulse-width signal generation module; Be connected on the adjustable pulse-width signal generation module sawtooth signal generation module simultaneously; With control load electric current rate of rise module; Be connected on the control load electric current rate of rise module the manual given or given module of computing machine.

Be connected between adjustable pulse-width Signal Spacing module and the chip for driving module, the external output module of this machine control signal and with quasi-controller to this machine load module.

Also comprise in the control system module: be connected on the control load electric current rate of rise module linear voltage amplification module; Be connected on the linear voltage amplification module induction type linear Hall regulator.

Also comprise in the control system module: be connected on the adjustable pulse-width Signal Spacing module comparison, critical correction, adjusting and protective valve buckling die piece; Be connected on the protective valve buckling die piece transistor or controllable silicon execution module; Be connected on the execution module, signal is amplification module relatively; Be connected signal simultaneously and compare on the amplification module temperature signal control setting module; And temperature signal sampling module; Be connected on the temperature signal sampling module sensor assembly.

Also comprise in the control system module: be connected on comparison, critical correction, adjusting and the protective valve buckling die piece transistor or controllable silicon execution module; Be connected on transistor or the controllable silicon execution module, the setting of current controling signal and current signal amplify, straight filtered comparison module; Be connected simultaneously that the setting of current signal and current signal amplify, on the straight filtered comparison module, the amplification of high frequency adjustable pulse-width current signal and straight filtering circuit module and current limliting, constant current parameter module is set; And the widely different circuit module of keeping away of startup overshoot; And the sampling module of high frequency adjustable pulse-width current signal; Be connected on the sampling module of high frequency adjustable pulse-width current signal sensor assembly.

The control system module also comprises: be connected on comparison, critical correction, adjusting and the protective valve buckling die piece controllable silicon execution module; Be connected on the controllable silicon execution module chip status detection module.

Compared with prior art: controller of the present invention is little to the harmonic pollution of AC network; Can accomplish level to grid power factor near (1); There are a lot of favorable factors in stable, symmetrical, flat permanent work to AC network.Be to substitute the very desirable new-type controller of present widely used controllable silicon controller.Can accomplish maximized energy-conservationly, fully use can reduce electrical equipment greatly the immediate current gravitation of electrical network is impacted.Easy and simple to handle, interior design has the communication interface between the similar control, can be by computing machine given or manual setting, the control signal of sending by a controller, control is a function with quasi-controller arbitrarily, and in the control system of this controller, design has the control function of the permanent physical quantity of constant temperature, constant current, constant voltage, constant speed, can accomplish degree of precision.

Description of drawings

Fig. 1: be a kind of main circuit structure block diagram of the present invention.

Fig. 2: be another kind of main circuit structure block diagram of the present invention.

Fig. 3: be a kind of circuit structure block diagram of control system module 6 among Fig. 1 or Fig. 2.

Among Fig. 1, Fig. 2: 0 is AC network electric power load module; 1 is the filtering circuit module; 2 is the rectifier bridge module; 3 is transistor (IGBT) module; 4 is the diode (led) module of reverse parallel connection; 5 is the external loading module; 6 is the control system module.Among Fig. 3: 7 is induction type linear Hall adjustor module; 8 is the linear voltage amplifier module; 9 is the module of control load electric current rate of rise circuit; 10 is the manual given or given module of computing machine; 11 is sawtooth signal generative circuit module; 12 is adjustable pulse-width signal generation module; 13 is adjustable pulse-width Signal Spacing module; 14 is that controller signals is by this machine output module; 15 is that controller signals is to this machine load module; 16 comparisons, critical correction, adjusting and protective valve buckling die piece; 17 is the temperature signal sampling module; 18 are signal comparison amplification module; 19 temperature control signals settings; 20 is transistor (IGBT) or controllable silicon (SCR) execution module; 21 is high frequency turnable pulse width current signal sampling module; 22 is that high frequency turnable pulse width current signal amplifies and straight filtration module; 23 for starting the widely different circuit module of keeping away of overshoot current; 24 is current limliting, constant current parameter setting module; 25 is the current signal comparison module; 26 is transistor or controllable silicon execution module; 27 is the chip status detection module; 28 is the controllable silicon execution module; 29 is the chip for driving module; 30 is three C, E, the G control utmost point module of transistor (IGBT); 31 is sensor assembly.

Embodiment

The present invention is described in further detail with concrete enforcement case below in conjunction with accompanying drawing.

Specific embodiment 1: this equation power controller, comprise the rectifier bridge module 2 that is directly connected in AC network electric power load module 0, with the backward dioded module 4 that is parallel in the load 5, the filtering circuit module of forming by inductance and high frequency capacitance 1 that between AC network electric power load module 0 and rectifier bridge module 2, connects, and on the positive pole between the diode (led) module 4 of rectifier bridge module 2 and reverse parallel connection, connect a transistor (IGBT) module 3; Connect a control system module 6 in transistor (IGBT) module 3.

Control system module 6 comprises: be connected on transistor (IGBT) module 3 three control of C, the E of transistor (IGBT), G utmost point module 30; Three of C, E, G being connected transistor (IGBT) control on the utmost point module 30 chip for driving module 29; Be connected on the chip for driving module 29 adjustable pulse-width Signal Spacing module 13; Be connected on the Signal Spacing module 13 adjustable pulse-width signal generation module 12; Be connected on the adjustable pulse-width signal generation module 12 sawtooth signal generation module 11 simultaneously; With control load electric current rate of rise module 9; Be connected on the control load electric current rate of rise module 9 manual given the or given module 10 of computing machine.

Also comprise in the control system module 6: be connected between adjustable pulse-width Signal Spacing module 13 and the chip for driving module 29, the external output module 14 of this machine control signal and with quasi-controller to this machine load module 15.

Also comprise in the control system module 6: be connected on the control load electric current rate of rise module 9 linear voltage amplification module 8; Be connected on the linear voltage amplification module 8 induction type linear Hall regulator 7.

Also comprise in the control system module 6: be connected on the adjustable pulse-width Signal Spacing module 13 comparison, critical correction, adjusting and protective valve buckling die piece 16; Be connected on the protective valve buckling die piece 16 transistor or controllable silicon execution module 20; Be connected on the execution module 20, signal is amplification module 18 relatively; Be connected signal simultaneously and compare on the amplification module 18 temperature signal control setting module 19; And temperature signal sampling module 17; Be connected on the temperature signal sampling module 17 sensor assembly 31.

Also comprise in the control system module 6: be connected on comparison, critical correction, adjusting and the protective valve buckling die piece 16 transistor or controllable silicon execution module 26; Be connected on transistor or the controllable silicon execution module 26, the setting of current controling signal and current signal amplify, straight filtered comparison module 25; Be connected simultaneously that the setting of current signal and current signal amplify, on the straight filtered comparison module 25, the amplification of high frequency adjustable pulse-width current signal and straight filtering circuit module 22 and current limliting, constant current parameter module 24 is set; And the widely different circuit module 23 of keeping away of startup overshoot; And the sampling module 21 of high frequency adjustable pulse-width current signal; Be connected on the sampling module 21 of high frequency adjustable pulse-width current signal sensor assembly 31.

Control system module 6 also comprises: be connected on comparison, critical correction, adjusting and the protective valve buckling die piece 16 controllable silicon execution module 28; Be connected on the controllable silicon execution module 28 chip status detection module 27.

Specific embodiment 2: in the equation power controller described in the specific embodiment 1, transistor (IGBT) module 3, and be connected control system module 6 on transistor (IGBT) module 3, change on the negative pole between the diode (led) module 4 that is connected rectifier bridge module 2 and reverse parallel connection.

Claims

1, equation power controller, comprise the rectifier bridge module (2) that is directly connected in AC network electric power load module (0), with the big electric capacity that is parallel on the rectifier bridge module (2), and be parallel to backward dioded module (4) in the load (5), it is characterized in that: with the former big electric capacity of forming by inductance and high frequency capacitance that is parallel on the rectifier bridge module (2) of filtering circuit module (1) replacement that is connected between AC network electric power load module (0) and the rectifier bridge module (2); And on the positive pole between the diode (led) module (4) of rectifier bridge module (2) and reverse parallel connection or on the negative pole, connect a transistor (IGBT) module (3); Go up a connection control system module (6) in transistor (IGBT) module (3); This control system module (6) comprising: be connected on transistor (IGBT) module (3) three control of C, the E of transistor (IGBT), G utmost point module (30); Three of C, E, G being connected transistor (IGBT) control on the utmost point module (30) chip for driving module (29); Be connected on the chip for driving module (29) adjustable pulse-width Signal Spacing module (13); Be connected on the Signal Spacing module (13) adjustable pulse-width signal generation module (12); Be connected on the adjustable pulse-width signal generation module (12) sawtooth signal generation module (11) simultaneously; With control load electric current rate of rise module (9); Be connected on the control load electric current rate of rise module (9) the manual given or given module of computing machine (10); Be connected between adjustable pulse-width Signal Spacing module (13) and the chip for driving module (29), be the external output module of this machine control signal (14) and with quasi-controller to this machine load module (15); Be connected on the control load electric current rate of rise module (9) linear voltage amplification module (8); Be connected on the linear voltage amplification module (8) induction type linear Hall regulator (7); Be connected on the adjustable pulse-width Signal Spacing module (13) comparison, critical correction, adjusting and protective valve buckling die piece (16); Be connected on the protective valve buckling die piece (16) transistor or controllable silicon execution module (20); Be connected on the execution module (20), signal is amplification module (18) relatively; Be connected signal simultaneously and compare on the amplification module (18) temperature signal control setting module (19); And temperature signal sampling module (17); Be connected on the temperature signal sampling module (17) sensor assembly (31); Be connected on comparison, critical correction, adjusting and the protective valve buckling die piece (16) transistor or controllable silicon execution module (26); Be connected on transistor or the controllable silicon execution module (26), the setting of current controling signal and current signal amplify, straight filtered comparison module (25); Be connected that the setting of current signal and current signal amplify, on the straight filtered comparison module (25), what the amplification of high frequency adjustable pulse-width current signal and straight filtering circuit module (22) and current limliting, wall flowed parameter is provided with module (24); And the avoidance circuit module (23) of startup overshoot; Be connected on the amplification of high frequency adjustable pulse-width current signal and the straight filtering circuit module (22) sampling module (21) of high frequency adjustable pulse-width current signal; Be connected on the sampling module (21) of high frequency adjustable pulse-width current signal sensor assembly (31); Be connected on comparison, critical correction, adjusting and the protective valve buckling die piece (16) controllable silicon execution module (28); Be connected on the controllable silicon execution module (28) chip status detection module (27).