CN104767310A - Parallel connection method and series connection method for motor windings of three-phase non-isolated integrated vehicle-mounted charger - Google Patents
Parallel connection method and series connection method for motor windings of three-phase non-isolated integrated vehicle-mounted charger Download PDFInfo
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- CN104767310A CN104767310A CN201510178154.4A CN201510178154A CN104767310A CN 104767310 A CN104767310 A CN 104767310A CN 201510178154 A CN201510178154 A CN 201510178154A CN 104767310 A CN104767310 A CN 104767310A
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Abstract
The invention relates to the field of motor windings of vehicle-mounted chargers, in particular to a parallel connection method and series connection method for motor windings of a three-phase non-isolated integrated vehicle-mounted charger. The purpose is to solve the problems that when the connecting mode of existing motor windings is changed, as a motor needs to be wired again to lead out middle points of the windings of all phases, the external connecting mode of the motor windings is complex; when currents flow through the existing motor windings, a motor rotor rotates to cause loss and noise. By the adoption of the parallel connection method and series connection method for the motor windings, the two windings are connected in series and then connected between a three-phase alternating-current power source and a rectifier bridge of the vehicle-mounted charger, or the two windings are connected in parallel and then connected between the three-phase alternating-current power source and the rectifier bridge of the vehicle-mounted charger. The parallel connection method and series connection method is used for connecting the motor windings into the vehicle-mounted charger.
Description
Technical field
The present invention relates to the method for attachment of the motor winding of Vehicular charger.Belong to the motor winding field of Vehicular charger.
Background technology
The advantage of integrated on-board charger makes full use of the existing hardware of electric automobile to realize charge function, comprises and utilize the inverter circuit of drive motors to realize controlled rectification; Motor winding is as screens side filter inductance access main circuit.Integrated on-board charger has saved space, weight and cost because eliminating extra charger.Motor winding has two kinds of modes as screens side filter inductance: non-isolated and isolated.But current non-isolated integrated charge machine is used as motor winding when to be linked between three-phase commutation bridge and electrical network as filter inductance, there are two kinds of problems, first problem needs again to draw each phase winding mid point to windings in motor when being motor winding change connected mode, and this mode makes integrated charge machine complex system; Second Problem is when motor winding works as inductance, rotor may be made to rotate, cause the problems such as unnecessary loss and noise when having electric current to flow through motor winding.
Summary of the invention
The present invention needs again to draw each phase winding mid point to windings in motor to solve when existing motor winding changes connected mode, cause the outside connected mode of motor winding complicated, and when electric current flows through existing motor winding, rotor is rotated, cause the problem of loss and noise.The method of attachment of motor winding parallel and the serial connection method of the non-isolated integrated on-board charger of three-phase are now provided.
The motor winding parallel method of attachment of the non-isolated integrated on-board charger of three-phase, this motor winding switching is between three-phase alternating current and the rectifier bridge of Vehicular charger, and it comprises first set winding and the second cover winding,
First set winding comprises A1X1 phase winding, B1Y1 phase winding and C1Z1 phase winding,
Second cover winding comprises A2X2 phase winding, B2Y2 phase winding and C2Z2 phase winding,
After the head end B1 of the head end A2 connection B1Y1 phase winding of A2X2 phase winding, logical U phase is electric, connects a cross streams input of the rectifier bridge of Vehicular charger after the end Y1 of the end X2 connection B1Y1 phase winding of A2X2 phase winding,
After the head end B2 of the head end A1 connection B2Y2 phase winding of A1X1 phase winding, logical V phase is electric, connects another cross streams input of the rectifier bridge of Vehicular charger after the end Y2 of the end X1 connection B2Y2 phase winding of A1X1 phase winding,
After the head end C2 of the head end C1 connection C2Z2 phase winding of C1Z1 phase winding, logical W phase is electric, connects the third phase ac input end of the rectifier bridge of Vehicular charger after the end Z1 of the end Z2 connection C1Z1 phase winding of C2Z2 phase winding.
The motor windings in series method of attachment of the non-isolated integrated on-board charger of three-phase, this motor winding switching is between three-phase alternating current and the rectifier bridge of Vehicular charger, and it comprises first set winding and the second cover winding,
First set winding comprises A1X1 phase winding, B1Y1 phase winding and C1Z1 phase winding,
Second cover winding comprises A2X2 phase winding, B2Y2 phase winding and C2Z2 phase winding,
The end X2 of A2X2 phase winding connects the head end B1 of B1Y1 phase winding, and it is electric that the head end A2 of A2X2 phase winding leads to U phase, the end Y1 of B1Y1 phase winding for connecting a cross streams input of the rectifier bridge of Vehicular charger,
The head end A1 of A1X1 phase winding connects the end Y2 of B2Y2 phase winding, and it is electric that the head end B2 of B2Y2 phase winding leads to V phase, the end X1 of A1X1 phase winding for connecting another cross streams input of the rectifier bridge of Vehicular charger,
The head end C1 of C1Z1 phase winding connects the end Z2 of C2Z2 phase winding, and it is electric that the head end C2 of C2Z2 phase winding leads to U phase, and the end Z1 of C1Z1 phase winding is for connecting the third phase ac input end of the rectifier bridge of Vehicular charger.
Beneficial effect of the present invention is: the present invention is by connecting two cover motor winding parallels or being used for after being connected in series accessing charger to realize rotor without rotation and diverter switch object easily.By the simply in parallel or series connection by the first and last end of double winding, double winding is passed into respectively positive sequence three-phase electricity and negative phase-sequence three-phase electricity again, what stator winding was formed when being energized is impulsive magnetic field, therefore when motor winding works as charger filter inductance, rotor first can rotate, but be stabilized in a fixed angle very soon, last rotor keeps static.These two kinds of motor winding access waies only need to draw double winding head end and end simultaneously, reduce winding outside and connect difficulty, the outside connected mode of motor winding is simplified, and improves practicality.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the motor winding parallel method of attachment of the non-isolated integrated on-board charger of the three-phase described in embodiment one;
Fig. 2 is the principle schematic of the motor windings in series method of attachment of the non-isolated integrated on-board charger of the three-phase described in embodiment three.
Embodiment
Embodiment one: illustrate present embodiment with reference to Fig. 1, the motor winding parallel method of attachment of the non-isolated integrated on-board charger of the three-phase described in present embodiment, this motor winding switching is between three-phase alternating current and the rectifier bridge of Vehicular charger, it comprises first set winding and the second cover winding
First set winding comprises A1X1 phase winding, B1Y1 phase winding and C1Z1 phase winding,
Second cover winding comprises A2X2 phase winding, B2Y2 phase winding and C2Z2 phase winding,
After the head end B1 of the head end A2 connection B1Y1 phase winding of A2X2 phase winding, logical U phase is electric, connects a cross streams input of the rectifier bridge of Vehicular charger after the end Y1 of the end X2 connection B1Y1 phase winding of A2X2 phase winding,
After the head end B2 of the head end A1 connection B2Y2 phase winding of A1X1 phase winding, logical V phase is electric, connects another cross streams input of the rectifier bridge of Vehicular charger after the end Y2 of the end X1 connection B2Y2 phase winding of A1X1 phase winding,
After the head end C2 of the head end C1 connection C2Z2 phase winding of C1Z1 phase winding, logical W phase is electric, connects the third phase ac input end of the rectifier bridge of Vehicular charger after the end Z1 of the end Z2 connection C1Z1 phase winding of C2Z2 phase winding.
In present embodiment, A1X1 phase winding, B1Y1 phase winding are connected with U phase electricity, V phase electricity and the electric positive sequence of W phase with C1Z1 phase winding,
A2X2 phase winding, B2Y2 phase winding are connected with U phase electricity, V phase electricity and the electric negative phase-sequence of W phase with C2Z2 phase winding.
In present embodiment, double winding is connected in parallel, and determine in two cover motor windings by the connected mode of double winding, a set of is that positive sequence is connected with U, V, W three-phase electricity, another set of is that negative phase-sequence is connected with U, V, W three-phase electricity, and therefore stator winding only can produce impulsive magnetic field when being energized and rotor can not be rotated.And this connected mode does not need to change motor winding, only double winding tap need be drawn.
Embodiment two: illustrate present embodiment with reference to Fig. 2, the motor windings in series method of attachment of the non-isolated integrated on-board charger of the three-phase described in present embodiment, this motor winding switching is between three-phase alternating current and the rectifier bridge of Vehicular charger, it comprises first set winding and the second cover winding
First set winding comprises A1X1 phase winding, B1Y1 phase winding and C1Z1 phase winding,
Second cover winding comprises A2X2 phase winding, B2Y2 phase winding and C2Z2 phase winding,
The end X2 of A2X2 phase winding connects the head end B1 of B1Y1 phase winding, and it is electric that the head end A2 of A2X2 phase winding leads to U phase, the end Y1 of B1Y1 phase winding for connecting a cross streams input of the rectifier bridge of Vehicular charger,
The head end A1 of A1X1 phase winding connects the end Y2 of B2Y2 phase winding, and it is electric that the head end B2 of B2Y2 phase winding leads to V phase, the end X1 of A1X1 phase winding for connecting another cross streams input of the rectifier bridge of Vehicular charger,
The head end C1 of C1Z1 phase winding connects the end Z2 of C2Z2 phase winding, and it is electric that the head end C2 of C2Z2 phase winding leads to U phase, and the end Z1 of C1Z1 phase winding is for connecting the third phase ac input end of the rectifier bridge of Vehicular charger.
In present embodiment, A1X1 phase winding, B1Y1 phase winding are connected with U phase electricity, V phase electricity and the electric positive sequence of W phase with C1Z1 phase winding,
A2X2 phase winding, B2Y2 phase winding are connected with U phase electricity, V phase electricity and the electric negative phase-sequence of W phase with C2Z2 phase winding.
In the present invention, the motor windings in series method of attachment of three-phase non-isolated integrated on-board charger and parallel connection methods apply simple external motor winding connection, and when ensure that motor winding charge mode, rotor is static simultaneously.
Claims (2)
1. the motor winding parallel method of attachment of the non-isolated integrated on-board charger of three-phase, this motor winding switching, between three-phase alternating current and the rectifier bridge of Vehicular charger, is characterized in that, it comprises first set winding and the second cover winding,
First set winding comprises A1X1 phase winding, B1Y1 phase winding and C1Z1 phase winding,
Second cover winding comprises A2X2 phase winding, B2Y2 phase winding and C2Z2 phase winding,
After the head end B1 of the head end A2 connection B1Y1 phase winding of A2X2 phase winding, logical U phase is electric, connects a cross streams input of the rectifier bridge of Vehicular charger after the end Y1 of the end X2 connection B1Y1 phase winding of A2X2 phase winding,
After the head end B2 of the head end A1 connection B2Y2 phase winding of A1X1 phase winding, logical V phase is electric, connects another cross streams input of the rectifier bridge of Vehicular charger after the end Y2 of the end X1 connection B2Y2 phase winding of A1X1 phase winding,
After the head end C2 of the head end C1 connection C2Z2 phase winding of C1Z1 phase winding, logical W phase is electric, connects the third phase ac input end of the rectifier bridge of Vehicular charger after the end Z1 of the end Z2 connection C1Z1 phase winding of C2Z2 phase winding.
2. the motor windings in series method of attachment of the non-isolated integrated on-board charger of three-phase, this motor winding switching, between three-phase alternating current and the rectifier bridge of Vehicular charger, is characterized in that, it comprises first set winding and the second cover winding,
First set winding comprises A1X1 phase winding, B1Y1 phase winding and C1Z1 phase winding,
Second cover winding comprises A2X2 phase winding, B2Y2 phase winding and C2Z2 phase winding,
The end X2 of A2X2 phase winding connects the head end B1 of B1Y1 phase winding, and it is electric that the head end A2 of A2X2 phase winding leads to U phase, the end Y1 of B1Y1 phase winding for connecting a cross streams input of the rectifier bridge of Vehicular charger,
The head end A1 of A1X1 phase winding connects the end Y2 of B2Y2 phase winding, and it is electric that the head end B2 of B2Y2 phase winding leads to V phase, the end X1 of A1X1 phase winding for connecting another cross streams input of the rectifier bridge of Vehicular charger,
The head end C1 of C1Z1 phase winding connects the end Z2 of C2Z2 phase winding, and it is electric that the head end C2 of C2Z2 phase winding leads to U phase, and the end Z1 of C1Z1 phase winding is for connecting the third phase ac input end of the rectifier bridge of Vehicular charger.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510178154.4A CN104767310B (en) | 2015-04-15 | 2015-04-15 | The machine winding parallel connection methods and serial connection method of the non-isolated integrated on-board charger of three-phase |
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| CN201510178154.4A CN104767310B (en) | 2015-04-15 | 2015-04-15 | The machine winding parallel connection methods and serial connection method of the non-isolated integrated on-board charger of three-phase |
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| CN104767310B CN104767310B (en) | 2017-06-16 |
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