CN202276177U - High voltage direct current charger - Google Patents
High voltage direct current charger Download PDFInfo
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- CN202276177U CN202276177U CN2011203695767U CN201120369576U CN202276177U CN 202276177 U CN202276177 U CN 202276177U CN 2011203695767 U CN2011203695767 U CN 2011203695767U CN 201120369576 U CN201120369576 U CN 201120369576U CN 202276177 U CN202276177 U CN 202276177U
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Abstract
One embodiment of the utility model provides a high voltage direct current charger capable of outputting a direct current with high capacity and large current as power to charge an accumulator. The high voltage direct current charger comprises a high voltage pulse output module used for conversing a three-phase alternative current into a high voltage pulse to be output; an alternative current-alternative current conversion module connected with an output end of the high voltage pulse output module and used for boosting the high voltage pulse output by the high voltage pulse output module and then outputting a high voltage alternative current; an alternative current-direct current conversion module connected with an output end of the alternative current-alternative current conversion module and used for conversing the high voltage alternative current output by the alternative current-alternative current conversion module into a high voltage direct current to be output; a first main control module respectively connected with the alternative current-direct current conversion module and the high voltage pulse output module and used for receiving the voltage output by the alternative current-direct current conversion module and a current sample feedback signal and then controlling the high voltage pulse output module.
Description
Technical field
The utility model relates to field of power supplies, relates in particular to a kind of HVDC charger.
Background technology
Electrobus, electronic big bus car and electric motor coach etc. are the Green Travel vehicles that compare energy-conserving and environment-protective at present, and the difference of these electric vehicles and oily powered vehicle is, their all supporting dynamic storage batterys.The supporting power accumulator of electric tool can charge at originating point and terminal point.Along with the lengthening of operation mileage, electric vehicle also possibly charge halfway, and charging station is the place that this function is provided.
The capital equipment of charging station is a charger, and charger is the power inverter of using when power accumulator is charged that specific function is arranged.The charge mode of charger has the branch of DC charging pattern and AC charging pattern; Wherein, The DC charging pattern is the pattern of directly the power accumulator assembly being charged with the controllable direct current power supply that charger is exported, and corresponding with it dc charging motor is the charger that adopts the DC charging pattern to charge for the electric vehicle power accumulator.
A kind of method that the electric vehicle power accumulator is charged that prior art provides is: being boosted through Industrial Frequency Transformer by the alternating current of electrical network obtains HVDC after the rectification, through after the conversion being the power accumulator charging.The greatest drawback of this electric vehicle power accumulator charging method that prior art provides is, the output capacity after the HVDC conversion is little, output current is little and system reliability difference etc.
Summary of the invention
The utility model embodiment provides a kind of HVDC charger, is the power accumulator charging with the direct current that output capacity is high, electric current is big.
The utility model embodiment provides a kind of HVDC charger, and said HVDC charger comprises:
The high-voltage pulse output module is used for three-phase alternating current is transformed into high-voltage pulse output;
The AC-AC conversion module links to each other with the output of said high-voltage pulse output module, is used for high-voltage pulse with the output of the said high-voltage pulse output module back output High Level AC Voltage that boosts;
The AC-DC conversion module links to each other with the output of said AC-AC conversion module, is used for the High Level AC Voltage of said AC-AC conversion module output is transformed to high voltage direct current output;
First main control module is connected with said high-voltage pulse output module with said AC-DC conversion module respectively, is used to receive from behind the voltage and current sampled feedback signal of said AC-DC conversion module said high-voltage pulse output module being controlled.
Can know from the HVDC charger that above-mentioned the utility model embodiment provides; The back output High Level AC Voltage because the AC-AC conversion module can boost the high-voltage pulse of high-voltage pulse output module output, the AC-DC conversion module is transformed to high voltage direct current output with the High Level AC Voltage of AC-AC conversion module output again.Therefore; With prior art the alternating current of electrical network is boosted through Industrial Frequency Transformer and to obtain HVDC after the rectification; Through comparing for the method for power accumulator charging after the conversion; The direct current that the HVDC charger that the utility model embodiment provides is can output capacity high, electric current is big or voltage is high has satisfied the charging requirement of electric vehicle power accumulators such as electrobus, electronic big bus and electric motor coach.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment; To do to introduce simply to the accompanying drawing of required use in prior art or the embodiment description below; Obviously; Accompanying drawing in describing below only is some embodiment of the utility model, to those skilled in the art, can also obtain other accompanying drawing like these accompanying drawings.
Fig. 1 is the HVDC charger structural representation that the utility model embodiment provides;
Fig. 2 is the HVDC charger structural representation that another embodiment of the utility model provides;
Fig. 3 is the circuit topological structure sketch map of the AC-AC conversion module of Fig. 1 example;
Fig. 4 is the circuit topological structure sketch map of the AC-DC conversion module of Fig. 1 example;
Fig. 5 is another topological structure sketch map of circuit of the AC-DC conversion module of Fig. 1 example;
Fig. 6 is that the AC-AC conversion module of Fig. 3 example is connected topological sketch map with the circuit of the AC-DC conversion module of Fig. 5 example;
Fig. 7 is the circuit topological structure sketch map of the rectification module of Fig. 2 example;
Fig. 8 is the circuit topological structure sketch map of the DC-AC conversion module of Fig. 2 example;
Fig. 9 is the HVDC charger structural representation that another embodiment of the utility model provides;
Figure 10 is the structural representation of first main control module of Fig. 1 example.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those skilled in the art obtained belongs to the scope that the utility model is protected.
Seeing also accompanying drawing 1, is the HVDC charger structural representation that the utility model embodiment provides.For the ease of explanation, only show the part relevant with the utility model embodiment.The HVDC charger of accompanying drawing 1 example mainly comprises high-voltage pulse output module 101, AC-AC conversion module 102, AC-DC conversion module 103 and first main control module 104.
High-voltage pulse output module 101 receives the input of three-phase alternating currents, exports after three-phase alternating current is transformed into high-voltage pulse.AC-AC conversion module 102 links to each other with the output of high-voltage pulse output module 101, with the high-voltage pulse of the said high-voltage pulse output module 101 outputs back output High Level AC Voltage that boosts.
In the utility model embodiment; Not that the High Level AC Voltage that high-voltage pulse output module 101 is exported is directly charged for the power accumulator of electric vehicle; But adopting AC-DC conversion module 103 that the High Level AC Voltage of high-voltage pulse output module 101 outputs is transformed into high voltage direct current, the high voltage direct current of AC-DC conversion module 103 outputs is the power accumulator charging of electric vehicle.
First main control module 104 is connected with high-voltage pulse output module 101 with AC-DC conversion module 103 respectively.Can adopt the HVDC signal of telecommunication of senser element to 103 outputs of AC-DC conversion module, for example, voltage or current sample.Voltage or current sample feed back to first main control module 104.Behind the voltage and current sampled feedback signal that first main control module 104 receives from AC-DC conversion module 103 high-voltage pulse output module 101 is controlled, for example, charge parameter, monitoring charged state and battery management system or the like are set.
In another embodiment of the utility model, high-voltage pulse output module 101 further comprises rectification module 201 and DC-AC conversion module 202, shown in accompanying drawing 2.Rectification module 201 exports DC-AC conversion module 202 to after being used for three-phase alternating current is transformed into direct current; DC-AC conversion module 202 links to each other with first main control module 104; Be mainly used under the control of first main control module 104; (Zero Voltage Zero Current Switch, ZVZCS) phase shift are exported after the direct current of rectification module 201 output being transformed into the positive or negative high voltage pulse of different duty to open zero-current switching through no-voltage.
Can know from the HVDC charger that above-mentioned the utility model embodiment provides; The back output High Level AC Voltage because the AC-AC conversion module can boost the high-voltage pulse of high-voltage pulse output module output, the AC-DC conversion module is transformed to high voltage direct current output with the High Level AC Voltage of AC-AC conversion module output again.Therefore; With prior art the alternating current of electrical network is boosted through Industrial Frequency Transformer and to obtain HVDC after the rectification; Through comparing for the method for power accumulator charging after the conversion; The direct current that the HVDC charger that the utility model embodiment provides is can output capacity high, electric current is big or voltage is high has satisfied the charging requirement of electric vehicle power accumulators such as electrobus, electronic big bus and electric motor coach.
Seeing also accompanying drawing 3, is the circuit topological structure sketch map of the AC-AC conversion module 102 of accompanying drawing 1 example.For the ease of explanation, only show the part relevant with the utility model embodiment.The AC-AC conversion module 102 of accompanying drawing 1 example comprises two capacitances and a high frequency transformer T, and two capacitances are respectively capacitance C10 and capacitance C11.Capacitance C10 and capacitance C11 are connected in parallel, and the capacitance C10 of parallel connection links to each other with the DC-AC conversion module 202 of Fig. 2 example with capacitance C11 one end, and the other end links to each other with an end of the positive limit winding of high frequency transformer T.High frequency transformer T has two secondary windings, is respectively the first secondary winding and the second secondary winding, and the High Level AC Voltage of AC-AC conversion module 102 conversion gained is from the first secondary winding and the output of the second secondary winding.
Seeing also accompanying drawing 4, is the circuit topological structure sketch map of the AC-DC conversion module 103 of accompanying drawing 1 example.For the ease of explanation, only show the part relevant with the utility model embodiment.AC-DC conversion module 103 comprises high-frequency rectification circuit 401, clamp circuit 402 and auxiliary circuit 403 etc.; Wherein, The input of high-frequency rectification circuit 401 links to each other with two secondary windings of the high frequency transformer T of accompanying drawing 3 examples; Be used for exporting behind the high-voltage alternating electric rectification with high frequency transformer T output, the input of clamp circuit 402 links to each other with the output of high-frequency rectification circuit 401, and the rectified signal that is mainly used in high frequency transformer T output carries out clamper.The more concrete circuit structure of AC-DC conversion module 103 is consulted accompanying drawing 5, specifies as follows:
The high-frequency rectification circuit 401 of accompanying drawing 4 examples comprises fast recovery diode D1, fast recovery diode D2, fast recovery diode D3, fast recovery diode D4, fast recovery diode D5, fast recovery diode D6, fast recovery diode D7 and fast recovery diode D8; Clamp circuit 402 comprises fast recovery diode D9, fast recovery diode D10, resonant capacitance C1 resonant capacitor C 2, and auxiliary circuit 403 comprises fast recovery diode D11, fast recovery diode D12, radio-frequency rector L1, radio-frequency rector L2, output filter capacitor plate E1, output filter capacitor plate E2, Hall current sensor SI1, direct current quick fuse resistance F1, resistance R 4, K switch M1 and K switch M2 or the like.
In high-frequency rectification circuit 401; After linking to each other with the negative pole of fast recovery diode D2, the positive pole of fast recovery diode D1 constitutes the first series diode group; After linking to each other with the negative pole of fast recovery diode D4, the positive pole of fast recovery diode D3 constitutes the second series diode group; Wherein, The negative pole of the negative pole of fast recovery diode D1 and fast recovery diode D3 connects and composes the positive pole of node N1, fast recovery diode D2 and the positive pole of fast recovery diode D4 connects and composes node N2, that is, and and the first series diode group and the parallel connection of the first series diode group; After linking to each other with the negative pole of fast recovery diode D6, the positive pole of fast recovery diode D5 constitutes the 3rd series diode group; After linking to each other with the negative pole of fast recovery diode D8, the positive pole of fast recovery diode D7 constitutes the 4th series diode group; Wherein, The negative pole of the negative pole of fast recovery diode D5 and fast recovery diode D7 connects and composes the positive pole of node N3, fast recovery diode D6 and the positive pole of fast recovery diode D8 connects and composes node N4; That is the 3rd series diode group and the 4th series diode group parallel connection.
In clamp circuit 402; The positive pole of fast recovery diode D9 is with after the end of resonant capacitance C1 links to each other; Parallelly connected with the first series diode group or the second series diode group, that is, the other end that the negative pole of fast recovery diode D9 is connected to node N1, resonant capacitance C1 is connected to node N2; The negative pole of fast recovery diode D10 is with after the end of resonant capacitance C2 links to each other; Parallelly connected with the 3rd series diode group or the 4th series diode group, that is, the other end that the positive pole of fast recovery diode D10 is connected to node N4, resonant capacitance C2 is connected to node N3.
The negative pole of the fast recovery diode D11 of auxiliary circuit 403 is connected with the positive pole of the fast recovery diode D3 of clamp circuit 402; The end of radio-frequency rector L1 is connected to node N2; The positive pole of output filter capacitor plate E1 is connected to node N1; The positive pole of fast recovery diode D12 is connected with the negative pole of the fast recovery diode D10 of clamp circuit 402; The end of radio-frequency rector L2 is connected to node N3; The positive pole of output filter capacitor plate E2 is connected to node N4, and the other end (being that radio-frequency rector L2 removes an end that is connected to node N3) and the negative pole of output filter capacitor plate E2 of the negative pole of the other end of the positive pole of fast recovery diode D11, radio-frequency rector L1 (being that radio-frequency rector L1 removes an end that is connected to node N2), output filter capacitor plate E1, the negative pole of fast recovery diode D12, radio-frequency rector L2 connect and compose node N5.
Can know from the circuit topological structure of the AC-DC conversion module 103 of accompanying drawing 5 examples; The AC-DC conversion module is through state's high-frequency rectification, LC filtering; The output ripple coefficient of the high voltage direct current of output is very low, is of value to the useful life that prolongs the power accumulator that is recharged.
Shown in accompanying drawing 6, be that the AC-AC conversion module 102 of accompanying drawing 3 examples is connected topological sketch map with AC-DC conversion module 103 circuit of accompanying drawing 5 examples.In accompanying drawing 6; Two secondary windings of high frequency transformer T (i.e. the first secondary winding and the second secondary winding) are series in the high-frequency rectification circuit 401; Promptly; One end of the first secondary winding of high frequency transformer T is connected with the positive pole of fast recovery diode D1; The other end of the first secondary winding of high frequency transformer T is connected with the positive pole of fast recovery diode D3, and an end of the second secondary winding of high frequency transformer T is connected with the positive pole of fast recovery diode D5, and the other end of the second secondary winding of high frequency transformer T is connected with the positive pole of fast recovery diode D7.
Being connected topology from the AC-AC conversion module 102 of accompanying drawing 6 signal with AC-DC conversion module 103 circuit can know; Because two secondary windings in series of high frequency transformer T are in high-frequency rectification circuit; Therefore; The HVDC charger that the utility model embodiment provides can be exported 2 times of direct voltages to 1 secondary winding rectification output; And clamp circuit adopts the passive clamping technology to high-frequency rectification circuit, can effectively suppress the circulation between each functional module of HVDC charger that the utility model embodiment provides.
Seeing also accompanying drawing 7, is the circuit topological structure sketch map of the rectification module 201 of accompanying drawing 2 examples.For the ease of explanation, only show the part relevant with the utility model embodiment.The rectification module 201 of accompanying drawing 2 examples adopts the half control three phase rectifier, comprises thyristor T1, thyristor T2 and thyristor T3, and each thyristor can be that model is the thyristor of MCD95-16IO08B, and the annexation of each components and parts is following:
The gate pole of the gate pole of the gate pole of thyristor T1, thyristor T2 and thyristor T3 links to each other and constitutes node N6; The emitter of the emitter of the emitter of thyristor T1, thyristor T2 and thyristor T3 links to each other and constitutes node N7; Node N6 and node node N7 are each thyristor triggering signal access points; Receive the triggering signal of main control module; The pin 2 of the pin 2 of thyristor T1, the pin 2 of thyristor T2 and thyristor T3 links to each other and constitutes node N ' 7, and the pin 3 of the pin 3 of thyristor T1, the pin 3 of thyristor T2 and thyristor T3 links to each other and constitutes node N8;
The U that the pin 1 of the pin 1 of thyristor T1, the pin 1 of thyristor T2 and thyristor T3 receives three-phase alternating current respectively mutually, V mutually and the input of W cross streams electricity, the direct current that obtains after the rectification is from node N ' 7 and node N8 output.
Seeing also accompanying drawing 8, is the circuit topological structure sketch map of the DC-AC conversion module 202 of accompanying drawing 2 examples.For the ease of explanation, only show the part relevant with the utility model embodiment.The DC-AC conversion module 202 of accompanying drawing 2 examples comprises discharge resistance R3, storage capacitor E9, insulated gate bipolar transistor Q7, insulated gate bipolar transistor Q8, insulated gate bipolar transistor Q9, insulated gate bipolar transistor Q10, noninductive absorption capacitor C 6, noninductive absorption capacitor C 7, noninductive absorption capacitor C 8 and noninductive absorption capacitor C 9.The direct current of rectification module output is from the collector electrode of insulated gate bipolar transistor Q7 or collector electrode and the emitter of insulated gate bipolar transistor Q9 or the emitter input of insulated gate bipolar transistor Q10 of insulated gate bipolar transistor Q8, and the annexation of each components and parts is following:
The emitter of insulated gate bipolar transistor Q7 is connected with the collector electrode of insulated gate bipolar transistor Q9; The emitter of insulated gate bipolar transistor Q8 is connected with the collector electrode of insulated gate bipolar transistor Q10, and the emitter of insulated gate bipolar transistor Q7 is connected with the collector electrode of insulated gate bipolar transistor Q9 and the emitter of insulated gate bipolar transistor Q8 is connected back and discharge resistance R3, storage capacitor E9, noninductive absorption capacitor C 6 with the collector electrode of insulated gate bipolar transistor Q10, noninductive absorption capacitor C 7 is parallelly connected;
One end of the collector electrode of the end of discharge resistance R3, the end of storage capacitor E9, insulated gate bipolar transistor Q7, the collector electrode of insulated gate bipolar transistor Q8, noninductive absorption capacitor C 6 and an end of noninductive absorption capacitor C 7 link together and constitute node N9, and the other end of the emitter of the other end of the other end of discharge resistance R3, storage capacitor E9, the emitter of insulated gate bipolar transistor Q9, insulated gate bipolar transistor Q10 and the other end of noninductive absorption capacitor C 6 and noninductive absorption capacitor C 7 links together and constitutes node N10;
The emitter of one end of noninductive absorption capacitor C 8, an end of noninductive absorption capacitor C 9 and insulated gate bipolar transistor Q7 or the collector electrode of the insulated gate bipolar transistor Q9 configuration node N11 that links together, the other end that the other end of noninductive absorption capacitor C 8 is connected to said node N9, noninductive absorption capacitor C 9 is connected to node N10;
The emitter of insulated gate bipolar transistor Q8 is drawn the output that links to each other with an end of the positive limit winding of the AC-AC conversion module 102 medium-high frequency transformer T of accompanying drawing 3 examples; The collector electrode of insulated gate bipolar transistor Q9 is drawn the output that an end of the capacitance (being capacitance C10 and capacitance C11) of parallel connection in the AC-AC conversion module 102 with accompanying drawing 3 examples links to each other; Promptly; The emitter of insulated gate bipolar transistor Q8 links to each other with an end of the positive limit winding of the AC-AC conversion module 102 medium-high frequency transformer T of accompanying drawing 3 examples, and the end (other end is connected to the other end of the positive limit winding of high frequency transformer T) that the collector electrode of insulated gate bipolar transistor Q9 is drawn the capacitance of parallel connection in the AC-AC conversion module 102 with accompanying drawing 3 examples links to each other.
From the DC-AC conversion module 202 of the circuit topological structure of the AC-AC conversion module 102 of accompanying drawing 3 examples and accompanying drawing 8 examples circuit topological structure extremely annexation can know; The HVDC charger that the utility model embodiment provides utilizes the leakage inductance of noninductive absorption electric capacity and high frequency transformer from dynamic resonance; Realization insulated gate bipolar transistor (IGBT) is opened zero-current switching for no-voltage; The switch power consumption is near zero, and the insulated gate bipolar transistor temperature rise is very low.Therefore, the HVDC charger useful life, the reliability that provide of the utility model embodiment improved greatly; On the other hand, the main circuit of the HVDC charger that the utility model embodiment provides is an electric current and voltage type LC resonance, and therefore, electric energy efficiency also is greatly improved.
The HVDC charger that accompanying drawing 2 to accompanying drawing 8 arbitrary embodiment provide can further include second master control system 901, the HVDC charger that another embodiment of the utility model provides shown in accompanying drawing 9.Second main control module 901 links to each other with rectification module 201 with node N ' 7 through node N6, node N7, receives rectification module 201 and behind the voltage and current sampled feedback signal of said node N ' 7 outputs, through node N6 and node N7 rectification module 201 is controlled.Particularly, 901 triggering signals of second master control system, through node N6 and node N7 input thyristor T1, thyristor T2 and thyristor T3, then thyristor T1, thyristor T2 and thyristor T3 conducting, the direct current that rectification obtains is from node N ' 7 and node N8 output.
The central processing element of first main control module 104 of accompanying drawing 1 example can be Digital Signal Processing (Digital Signal Processing, a DSP) chip.First main control module 104 of accompanying drawing 1 example comprises that mainly digital signal processing chip 1001, fault secure circuit 1002, feedback signal processing circuit 1003, communication interface circuit 1004 and pulse width modulated drive signal form and amplifying circuit 1005, wherein:
Digital signal processing chip 1001 is central control units, and other circuit are controlled;
Fault secure circuit 1002; Be used for when the inner excess temperature of HVDC charger, during fault such as input is under-voltage, output overvoltage, output overcurrent, output short-circuit and battery reversal connection; Send fault-signal to first main control module 104; Make 104 responses of first main control module, turn-off pulse width modulated drive signal and cut off the input power supply, and then the safety of protection equipment;
Feedback signal processing circuit 1003 is used to handle the voltage or the current sample feedback signal that come from rectification module or AC-DC conversion module;
Pulse width modulated drive signal forms and amplifying circuit 1005, is used to form, strengthens the pulse-width signal that first main control module 104 sends, and makes it enough driving forces and opens and close IGBT.
More than a kind of HVDC charger that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper the principle and the execution mode of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (9)
1. a HVDC charger is characterized in that, said HVDC charger comprises:
The high-voltage pulse output module is used for three-phase alternating current is transformed into high-voltage pulse output;
The AC-AC conversion module links to each other with the output of said high-voltage pulse output module, is used for high-voltage pulse with the output of the said high-voltage pulse output module back output High Level AC Voltage that boosts;
The AC-DC conversion module links to each other with the output of said AC-AC conversion module, is used for the High Level AC Voltage of said AC-AC conversion module output is transformed to high voltage direct current output;
First main control module is connected with said high-voltage pulse output module with said AC-DC conversion module respectively, is used to receive from behind the voltage and current sampled feedback signal of said AC-DC conversion module said high-voltage pulse output module being controlled.
2. HVDC charger as claimed in claim 1 is characterized in that, said high-voltage pulse output module comprises:
Rectification module is exported after being used for said three-phase alternating current is transformed into direct current;
The DC-AC conversion module links to each other with said first main control module, is used for exporting after the positive or negative high voltage pulse that direct current with the output of said rectification module is transformed into different duty.
3. HVDC charger as claimed in claim 2; It is characterized in that; Said AC-AC conversion module comprises two capacitances and a high frequency transformer, said two capacitance parallel connections, and said high frequency transformer has the first secondary winding and the second secondary winding;
Capacitance one end of said parallel connection links to each other with said DC-AC conversion module, and the other end links to each other with an end of the positive limit winding of said high frequency transformer, and said High Level AC Voltage is from said first secondary winding and the output of the second secondary winding.
4. HVDC charger as claimed in claim 3 is characterized in that, said AC-DC conversion module comprises high-frequency rectification circuit, clamp circuit and auxiliary circuit;
The input of said high-frequency rectification circuit links to each other with two secondary windings of said high frequency transformer, is used for exporting behind the high-voltage alternating electric rectification with said high frequency transformer output;
The input of said clamp circuit links to each other with the output of said high-frequency rectification circuit, is used for the rectified signal clamper to said high frequency transformer output.
5. HVDC charger as claimed in claim 4; It is characterized in that; Said high-frequency rectification circuit comprises fast recovery diode D1, fast recovery diode D2, fast recovery diode D3, fast recovery diode D4, fast recovery diode D5, fast recovery diode D6, fast recovery diode D7 and fast recovery diode D8; Said clamp circuit comprises fast recovery diode D9, fast recovery diode D10, resonant capacitance C1 resonant capacitor C 2, and said auxiliary circuit comprises fast recovery diode D11, fast recovery diode D12, radio-frequency rector L1, radio-frequency rector L2, output filter capacitor plate E1 and output filter capacitor plate E2;
After linking to each other with the negative pole of said fast recovery diode D2, the positive pole of said fast recovery diode D1 constitutes the first series diode group; After linking to each other with the negative pole of fast recovery diode D4, the positive pole of said fast recovery diode D3 constitutes the second series diode group; The parallel connection of the said first series diode group and the said first series diode group, the negative pole of the negative pole of said fast recovery diode D1 and said fast recovery diode D3 connects and composes the positive pole of node N1, said fast recovery diode D2 and the positive pole of said fast recovery diode D4 connects and composes node N2 when said first series diode group and the parallel connection of the said first series diode group;
After linking to each other with the negative pole of said fast recovery diode D6, the positive pole of said fast recovery diode D5 constitutes the 3rd series diode group; After linking to each other with the negative pole of fast recovery diode D8, the positive pole of said fast recovery diode D7 constitutes the 4th series diode group; The parallel connection of said the 3rd series diode group and said the 4th series diode group, the negative pole of the negative pole of said fast recovery diode D5 and said fast recovery diode D7 connects and composes the positive pole of node N3, said fast recovery diode D6 and the positive pole of said fast recovery diode D8 connects and composes node N4 when said the 3rd series diode group and the parallel connection of said the 4th series diode group;
The positive pole of said fast recovery diode D9 is with after the end of said resonant capacitance C1 links to each other; The other end that the negative pole of said fast recovery diode D9 is connected to said node N1, said resonant capacitance C1 is connected to said node N2; The negative pole of said fast recovery diode D10 is with after the end of said resonant capacitance C2 links to each other, and the other end that the positive pole of said fast recovery diode D10 is connected to said node N4, said resonant capacitance C2 is connected to said node N3;
The negative pole of said fast recovery diode D11 is connected with the positive pole of said fast recovery diode D3; The end of said radio-frequency rector L1 is connected to said node N2; The positive pole of said output filter capacitor plate E1 is connected to said node N1; The positive pole of said fast recovery diode D12 is connected with the negative pole of said fast recovery diode D10; The end of said radio-frequency rector L2 is connected to said node N3; The positive pole of said output filter capacitor plate E2 is connected to said node N4, and the other end of the other end of the positive pole of said fast recovery diode D11, said radio-frequency rector L1, the negative pole of said output filter capacitor plate E1, the negative pole of said fast recovery diode D12, said radio-frequency rector L2 and the negative pole of said output filter capacitor plate E2 connect and compose node N5;
The said high frequency transformer first secondary winding and the second secondary windings in series are in said high-frequency rectification circuit.
6. HVDC charger as claimed in claim 5; It is characterized in that; The said high frequency transformer first secondary winding is specially in said high-frequency rectification circuit with the second secondary windings in series: an end of the said high frequency transformer first secondary winding is connected with the positive pole of said fast recovery diode D1; The other end of the said high frequency transformer first secondary winding is connected with the positive pole of said fast recovery diode D3; One end of the said high frequency transformer second secondary winding is connected with the positive pole of said fast recovery diode D5, and the other end of the said high frequency transformer second secondary winding is connected with the positive pole of said fast recovery diode D7.
7. HVDC charger as claimed in claim 2 is characterized in that, said rectification module comprises thyristor T1, thyristor T2 and thyristor T3;
The gate pole of the gate pole of the gate pole of said thyristor T1, thyristor T2 and thyristor T3 links to each other and constitutes node N6; The emitter of the emitter of the emitter of said thyristor T1, thyristor T2 and thyristor T3 links to each other and constitutes node N7; The pin 2 of the pin 2 of said thyristor T1, the pin 2 of thyristor T2 and thyristor T3 links to each other and constitutes node N ' 7, and the pin 1 of the pin 1 of said thyristor T1, the pin 1 of thyristor T2 and thyristor T3 links to each other and constitutes node N8;
The pin 1 of the pin 1 of said thyristor T1, the pin 1 of said thyristor T2 and said thyristor T3 receive respectively in the said three-phase alternating current U mutually, V mutually and the input of W cross streams electricity.
8. HVDC charger as claimed in claim 3; It is characterized in that said DC-AC conversion module comprises discharge resistance R3, storage capacitor E9, insulated gate bipolar transistor Q7, insulated gate bipolar transistor Q8, insulated gate bipolar transistor Q9, insulated gate bipolar transistor Q10, noninductive absorption capacitor C 6, noninductive absorption capacitor C 7, noninductive absorption capacitor C 8 and noninductive absorption capacitor C 9;
The emitter of said insulated gate bipolar transistor Q7 is connected with the collector electrode of said insulated gate bipolar transistor Q9; The emitter of said insulated gate bipolar transistor Q8 is connected with the collector electrode of said insulated gate bipolar transistor Q10, and the emitter of said insulated gate bipolar transistor Q7 is connected with the collector electrode of said insulated gate bipolar transistor Q9 and the emitter of said insulated gate bipolar transistor Q8 is connected back and said discharge resistance R3, storage capacitor E9, noninductive absorption capacitor C 6 with the collector electrode of said insulated gate bipolar transistor Q10, noninductive absorption capacitor C 7 is parallelly connected;
One end of the collector electrode of the end of said discharge resistance R3, the end of storage capacitor E9, insulated gate bipolar transistor Q7, the collector electrode of insulated gate bipolar transistor Q8, noninductive absorption capacitor C 6 and an end of noninductive absorption capacitor C 7 link together and constitute node N9, and the other end of the emitter of the other end of the other end of said discharge resistance R3, storage capacitor E9, the emitter of insulated gate bipolar transistor Q9, insulated gate bipolar transistor Q10 and the other end of noninductive absorption capacitor C 6 and noninductive absorption capacitor C 7 links together and constitutes node N10;
The emitter of one end of said noninductive absorption capacitor C 8, an end of said noninductive absorption capacitor C 9 and said insulated gate bipolar transistor Q7 or the collector electrode of the said insulated gate bipolar transistor Q9 configuration node N11 that links together, the other end that the other end of said noninductive absorption capacitor C 8 is connected to said node N9, said noninductive absorption capacitor C 9 is connected to said node N10;
The emitter of said insulated gate bipolar transistor Q8 is drawn the output that links to each other with an end of the positive limit winding of said high frequency transformer, and the collector electrode of said insulated gate bipolar transistor Q9 is drawn the output that links to each other with an end of the capacitance of said parallel connection.
9. like any described HVDC charger of claim 2 to 8, it is characterized in that said HVDC charger also comprises second main control module;
Said second main control module links to each other with rectification module with node N7 through said node N6, receives said rectification module and behind the voltage and current sampled feedback signal of said node N ' 7 outputs, through said node N6 and node N7 said rectification module is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203695767U CN202276177U (en) | 2011-09-29 | 2011-09-29 | High voltage direct current charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203695767U CN202276177U (en) | 2011-09-29 | 2011-09-29 | High voltage direct current charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202276177U true CN202276177U (en) | 2012-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203695767U Withdrawn - After Issue CN202276177U (en) | 2011-09-29 | 2011-09-29 | High voltage direct current charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202276177U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355038A (en) * | 2011-09-29 | 2012-02-15 | 株洲市达能科技有限公司 | High voltage direct current charger |
| CN106487079A (en) * | 2016-12-21 | 2017-03-08 | 江西佰仕通电子科技有限公司 | A kind of quick-charging circuit |
| CN107231032A (en) * | 2017-06-02 | 2017-10-03 | 广东万城万充电动车运营股份有限公司 | A kind of DC charging module of concentration radiating high-power |
-
2011
- 2011-09-29 CN CN2011203695767U patent/CN202276177U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355038A (en) * | 2011-09-29 | 2012-02-15 | 株洲市达能科技有限公司 | High voltage direct current charger |
| CN102355038B (en) * | 2011-09-29 | 2014-04-23 | 株洲市达能科技有限公司 | High voltage direct current charger |
| CN106487079A (en) * | 2016-12-21 | 2017-03-08 | 江西佰仕通电子科技有限公司 | A kind of quick-charging circuit |
| CN106487079B (en) * | 2016-12-21 | 2023-03-14 | 江西佰仕通电子科技有限公司 | Quick charging circuit |
| CN107231032A (en) * | 2017-06-02 | 2017-10-03 | 广东万城万充电动车运营股份有限公司 | A kind of DC charging module of concentration radiating high-power |
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