CN113221488A - Integrated grid resistor of semiconductor power conversion equipment - Google Patents
Integrated grid resistor of semiconductor power conversion equipment Download PDFInfo
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Abstract
The present invention provides an integrated gate resistor of a semiconductor power conversion device, comprising: an active controller area: the semiconductor device comprises a plurality of semiconductor devices forming a plurality of path arrays, wherein array connectors are arranged among the path arrays, and the semiconductor devices comprise grid electrodes; a gate region: including a plurality of resistors to create a resistor network corresponding to the array of paths so that the resistor network is disposed on a flexible circuit board having a gate metal; a bus area: the flexible circuit board is connected with the array connector through a bus with a line switch; a control area: the cloud end controller is used for connecting the array connector, the flexible circuit board and the circuit switch, acquiring power information of the flexible circuit board through the cloud end controller, generating a power conversion decision diagram and controlling the array connector and the circuit switch.
Description
Technical Field
The invention relates to the technical field of semiconductor power conversion, in particular to an integrated grid resistor of semiconductor power conversion equipment.
Background
Power conversion systems are now widely used in modern power systems to convert power from one form to another for use by a load. Many power electronic systems use various semiconductor devices and components, such as thyristors, diodes, and various types of transistors (e.g., Metal Oxide Semiconductor Field Effect Transistors (MOSFETs), Insulated Gate Bipolar Transistors (IGBTs), and other suitable transistors) in this power conversion process. Larger power conversion systems may include many power conversion devices (e.g., arranged as power modules) that cooperate to convert electronic power.
However, in the prior art, most of the power conversion devices belong to pure hardware devices, and all have standard parameters, which are suitable for standard industrial application scenarios, but in some device research and development fields, the power conversion ratio is adjusted according to actual requirements, and at this time, the power conversion devices with a fixed ratio are not suitable for research and development scenarios, and some power conversion devices capable of performing real-time power conversion adjustment through software are required.
Disclosure of Invention
The invention provides an integrated grid resistor of semiconductor power conversion equipment, which is used for solving the problems that the power conversion equipment with a fixed proportion is not suitable for research and development scenes and needs some power conversion equipment capable of carrying out real-time power conversion adjustment through software.
An integrated gate resistor of a semiconductor power conversion device, comprising:
an active controller area: comprising a plurality of semiconductor devices forming a multi-path array, wherein
An array connector is arranged between the path arrays, and the semiconductor device comprises a grid electrode;
a gate region: including a plurality of resistors to create a resistor network corresponding to the array of paths so that the resistor network is disposed on a flexible circuit board having a gate metal;
a bus area: the flexible circuit board is connected with the array connector through a bus with a line switch;
a control area: the cloud end controller is used for connecting the array connector, the flexible circuit board and the circuit switch, acquiring power information of the flexible circuit board through the cloud end controller, generating a power conversion decision diagram and controlling the array connector and the circuit switch.
As an embodiment of the present invention: the cloud end controller is used for receiving control information of a user and controlling the array connector to be switched on or switched off according to the control information; wherein,
the array connector is used for controlling the connection state between different path arrays and determining the conversion power of power conversion based on the connection state.
As an embodiment of the present invention: the cloud end controller controlling the array connector comprises the following steps:
step 1: acquiring control information of a user, and determining required conversion power P;
step 2: calculating power P of single path array under standard conditionSheet：
Wherein, ISheetRepresenting the current of a single path array; u shapeSheetRepresenting the current of the singleton path array; i isOriginal sourceRepresenting the original current of the single pick path array; i isRotating shaftRepresenting the switching current of the single pick path array; q represents the total charge of the single path array; k represents the conversion constant of the single path array; t represents the conversion coefficient of the single path array;
and step 3: determining conversion coefficients of the single array based on the fitted curve;
and 4, step 4: determining, from the conversion coefficients, powers at a plurality of path arrays:
wherein, PRear endRepresenting the converted power; t represents a period; x represents the number of arrays;
and 5: and controlling the corresponding array connector to start according to the power of the plurality of path arrays.
As an embodiment of the present invention: the cloud end controller obtains the power information of the flexible circuit board, and the method comprises the following steps:
determining the number of working path arrays and the path arrays in the connection state according to the array connector to generate first information;
determining the connection condition of the flexible circuit board and the path array according to the flexible circuit board, and generating second information;
determining a power conversion ratio according to the number of the path arrays to generate third information;
determining a power range and a power conversion value of power conversion according to the connection condition, and generating fourth information;
and transmitting the first information, the second information, the third information and the fourth information to a cloud network through a cloud controller.
As an embodiment of the present invention: the resistors of the resistor network are connected to the flexible circuit board, and different resistors in the resistor network have different resistance values;
the flexible circuit board is used for controlling the resistors to be connected in parallel and in series according to the on-off of the circuit in the circuit board.
As an embodiment of the present invention: the cloud-end controller is further configured to generate a power conversion policy according to the connection device, including:
after the power output equipment and the power receiving equipment are connected, automatically acquiring the output power of the power output equipment and the target power of the power receiving equipment;
determining a power conversion ratio according to the output power and the target power;
determining the number of path arrays to be connected and a connection model of the resistors according to the power conversion ratio;
generating a power conversion evaluation model according to the path array and the connection model;
controlling the array connector to be switched on according to the power conversion evaluation model, and generating an integrated resistor array through a flexible circuit board;
from the resistor array, a power conversion strategy is generated by the line switch inexpensive and the array connector.
As an embodiment of the present invention: the cloud end controller is also used for establishing a power conversion decision diagram according to the power information, and comprises the following steps:
according to the distribution condition of the multiple path arrays, establishing a first decision map by taking the path arrays as map lines, and setting line hubs of different map lines in the first decision map by taking the array connectors as line hubs;
generating a plurality of combined models of integrated resistors according to the resistor network, determining the number of the combined models, and taking each combined model as a replaceable second decision map;
generating double-layer decision maps with the same number as the combined models according to the first decision map and the second decision map;
establishing a connection line between the two layers of decision diagrams according to the line switch to form a power conversion decision diagram; wherein,
each power conversion decision map has a corresponding power conversion ratio.
As an embodiment of the present invention: the cloud-end controller is further configured to determine a corresponding power conversion decision graph according to control information of a user, and includes the following steps:
step 1: detecting the control information, and constructing a decision graph screening function A (i):
wherein N represents the number of control information; deltaiA weight indicating the ith control information; Δ V represents a capability parameter of the control information;
a power parameter indicating a power conversion corresponding to the control information; s represents a type parameter of power conversion corresponding to the control information; beta is aiA content characteristic indicating the ith control information; p (i | s) represents a screening rule function of the power conversion proportion of the ith control information in the Gaussian mixture model; 1, 2, 3 … … N;
step 2: detecting the power conversion decision diagram, and constructing a power output function B (j) of the power conversion decision diagram:
wherein m represents the number of power conversion decision graphs; is a direct changejA power transition characteristic representing a jth power transition decision diagram; ljA power conversion ratio representing a jth power conversion decision diagram; d (r)j，yj) A compression function representing a power conversion decision graph; r isjA transition characteristic representing a jth power transition decision diagram; y isjA scaling factor representing a jth power conversion decision graph; gamma is the power conversion range of the power conversion decision diagram; j is 1, 2, 3 … … m;
and step 3: matching the decision diagram screening function with a power conversion decision diagram power output function to determine a matching parameter mu (A (i) | B (j)):
wherein,
when the matching parameter mu (A (i) and B (j)) is less than or equal to 0, the matching is failed, and the jth power conversion decision graph meets the user requirement;
when the matching parameter mu (A (i) | B (j) > 0, the matching is successful, and the jth power conversion decision diagram does not meet the requirements of users.
As an embodiment of the present invention: and the cloud end controller is also used for carrying out uniformity calculation on the control information and the power conversion decision diagram through the cloud end big data according to the control information of the user, and determining the corresponding power conversion decision diagram.
As an embodiment of the present invention: the resistor network includes a plurality of integrated resistor regions; wherein,
the resistors in the same area are used for resistor series connection;
resistor users in different areas are connected in parallel.
The invention has the beneficial effects that: the invention is an integrated gate resistor of a semiconductor power conversion device, which is different from the prior art in that an active control region constitutes a gate power conversion element through a path array. Compared with the prior art, the combined connection can be carried out, and the power conversion regulation can be realized according to the combined connection. The resistor of the gate region can better control the resistance value of power conversion through the parallel connection and series connection control of the resistor. The bus area is provided with a line switch which can close and open the power conversion equipment at any time according to the power conversion condition, so that real-time control is realized. The control area can be connected with a cloud network, and based on the big data function of the cloud network, automatic control power conversion based on big data is achieved, and manual control power conversion can also be achieved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a composition diagram of an integrated gate resistor of a semiconductor power conversion device according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1, an integrated gate resistor of a semiconductor power conversion device includes:
an active controller area: comprising a plurality of semiconductor devices forming a multi-path array, wherein
An array connector is arranged between the path arrays, and the semiconductor device comprises a grid electrode;
the gate electrode is adapted to control whether the array of paths is to perform power conversion or not, and functions to turn on and off.
The active controller is a region where semiconductor devices are mounted, and mainly performs control of a power conversion function. Each of the path arrays is a power converter, and the power converter power conversion values of the individual path arrays are the same. But when multiple paths are connected, the power conversion capability increases.
A gate region: including a plurality of resistors to create a resistor network corresponding to the array of paths so that the resistor network is disposed on a flexible circuit board having a gate metal;
the invention adopts the head-type circuit board because a large number of connecting circuits can be arranged on the flexible circuit board to connect the resistors and further run the resistor network, and if a standard hard circuit board is used, the equipment is too large, and the volume can be reduced by using the flexible circuit board.
A bus area: the flexible circuit board is connected with the array connector through a bus with a line switch; the bus area is mainly used for connecting the flexible circuit board and the array connector and is equivalent to a control bus.
A control area: the cloud end controller is used for connecting the array connector, the flexible circuit board and the circuit switch, acquiring power information of the flexible circuit board through the cloud end controller, generating a power conversion decision diagram and controlling the array connector and the circuit switch. The cloud controller can be connected with a cloud network and can also receive user information, and therefore data acquisition and management and control of the equipment are achieved.
The invention has the beneficial effects that: the invention is an integrated gate resistor of a semiconductor power conversion device, which is different from the prior art in that an active control region constitutes a gate power conversion element through a path array. Compared with the prior art, the combined connection can be carried out, and the power conversion regulation can be realized according to the combined connection. The resistor of the gate region can better control the resistance value of power conversion through the parallel connection and series connection control of the resistor. The bus area is provided with a line switch which can close and open the power conversion equipment at any time according to the power conversion condition, so that real-time control is realized. The control area can be connected with a cloud network, and based on the big data function of the cloud network, automatic control power conversion based on big data is achieved, and manual control power conversion can also be achieved.
As an embodiment of the present invention: the cloud end controller is used for receiving control information of a user and controlling the array connector to be switched on or switched off according to the control information; wherein,
the array connector is used for controlling the connection state between different path arrays and determining the conversion power of power conversion based on the connection state.
Since the information for performing power conversion is set by the user, it is not the standard a power conversion to the B power. Therefore, the invention realizes manual control based on the cloud-end controller. Or automatic control based on the cloud network and cloud big data.
As an embodiment of the present invention: the cloud end controller controlling the array connector comprises the following steps:
step 1: acquiring control information of a user, and determining required conversion power P;
the power P to be converted is the target power to which the connected device to be power-converted is converted. And power P is the target power.
Step 2: calculating power P of single path array under standard conditionSheet：
Wherein, ISheetRepresenting the current of a single path array; u shapeSheetRepresenting the current of the singleton path array; i isOriginal sourceRepresenting the original current of the single pick path array; i isRotating shaftRepresenting the switching current of the single pick path array; q represents the total charge of the single path array; k represents the conversion constant of the single path array; t denotes the turn of the single path arrayChanging coefficients;
the power conversion of the present invention is based on a path array, so that the final power conversion, P, is achieved by calculating the circuit conversion conditions and voltage conversion conditions of the path arraySheetThat is, the target power converted when the single path array performs power conversion.
And step 3: determining conversion coefficients of the single array based on the fitted curve;
the conversion coefficient of a single array is the ratio of a to B when a single path array converts a power to B power.
And 4, step 4: determining, from the conversion coefficients, powers at a plurality of path arrays:
wherein, PRear endRepresenting the converted power; t represents a period; x represents the number of arrays;
since the present invention has a function of connecting a plurality of path arrays, X represents the total number of path arrays when performing different power conversion functions; x is the number ofiIt represents that i path array connections are needed for this power conversion. A represents the power of the power line to be converted, and K is the coefficient of the power conversion of the multi-path array; s represents a single path power conversion error coefficient;
and 5: and controlling the corresponding array connector to start according to the power of the plurality of path arrays.
The purpose of the above technical solution is to perform the conversion of the corresponding power according to the requirement of the customer.
As an embodiment of the present invention: the cloud end controller obtains the power information of the flexible circuit board, and the method comprises the following steps:
determining the number of working path arrays and the path arrays in the connection state according to the array connector to generate first information;
determining the connection condition of the flexible circuit board and the path array according to the flexible circuit board, and generating second information;
determining a power conversion ratio according to the number of the path arrays to generate third information;
determining a power range and a power conversion value of power conversion according to the connection condition, and generating fourth information;
and transmitting the first information, the second information, the third information and the fourth information to a cloud network through a cloud controller.
The cloud-end controller can acquire the connection information of power conversion and the number of the participating path arrays during power conversion, and the purpose is to determine the estimated power value to be converted and the estimated power value after power conversion, namely, the estimated power conversion task, and judge whether the path arrays can be connected or not. The second information, the connection through the flexible wiring board and the path array, is to control the start and end of the power conversion. The third information is the conversion ratio, which is the determined power value to be converted and the converted power value, rather than the prediction. Because of the pre-estimation, there are situations where the array connectors are not connected or are connected incorrectly. And finally, transmitting the four information to a cloud network, wherein the big data of the cloud network can be calculated to determine the optimal array connection mode and the optimal array number.
As an embodiment of the present invention: the resistors of the resistor network are connected to the flexible circuit board, and different resistors in the resistor network have different resistance values;
the flexible circuit board is used for controlling the resistors to be connected in parallel and in series according to the on-off of the circuit in the circuit board.
The different resistance values increase the power conversion by more proportion. Therefore, the capability of power conversion can be mastered to the maximum extent, and the power conversion with the highest precision can be realized by time control. Resistors are also essential current limiting and voltage control functions in power conversion processes.
As an embodiment of the present invention: the cloud-end controller is further configured to generate a power conversion policy according to the connection device, including:
after the power output equipment and the power receiving equipment are connected, automatically acquiring the output power of the power output equipment and the target power of the power receiving equipment;
determining a power conversion ratio according to the output power and the target power;
determining the number of path arrays to be connected and a connection model of the resistors according to the power conversion ratio;
the number of path arrays and the connection model of the resistors determine what switching control rules and switching circuits the present invention applies to power conversion.
Generating a power conversion evaluation model according to the path array and the connection model;
controlling the array connector to be switched on according to the power conversion evaluation model, and generating an integrated resistor array through a flexible circuit board;
the resistor array is a current-limiting and voltage-limiting array which is correspondingly connected with the path array through resistors. And the voltage balance before and after power conversion is ensured.
And connecting the array connector through a line switch according to the resistor array to generate a power conversion strategy.
The invention has the function of automatically identifying power, because if the invention is used as an intermediate device, when the power is directly converted, the input end is connected with the power to be converted and the target power equipment after power conversion is connected after sale.
As an embodiment of the present invention: the cloud end controller is also used for establishing a power conversion decision diagram according to the power information, and comprises the following steps:
according to the distribution condition of the multiple path arrays, establishing a first decision map by taking the path arrays as map lines, and setting line hubs of different map lines in the first decision map by taking the array connectors as line hubs; the path array is connected to implement the control function of power conversion.
Generating a plurality of combined models of integrated resistors according to the resistor network, determining the number of the combined models, and taking each combined model as a replaceable second decision map;
when power conversion is carried out, the invention can form a plurality of different conversion functions based on the connection mode of the resistor, but the internal conversion circuit with the same conversion proportion realizes the power conversion, because under different environments and different equipment, interference factors can be strong or weak when the power conversion is carried out, and the decision map of the resistor is used for preventing the interference.
Generating double-layer decision maps with the same number as the combined models according to the first decision map and the second decision map;
establishing a connection line between the two layers of decision diagrams according to the line switch to form a power conversion decision diagram; wherein,
each power conversion decision map has a corresponding power conversion ratio. The double-layer decision diagram is used for realizing double functions of interference resistance and power conversion.
As an embodiment of the present invention: the cloud-end controller is further configured to determine a corresponding power conversion decision graph according to control information of a user, and includes the following steps:
step 1: detecting the control information, and constructing a decision graph screening function A (i):
wherein N represents the number of control information; deltaiA weight indicating the ith control information; Δ V represents a capability parameter of the control information;
a power parameter indicating a power conversion corresponding to the control information; s represents a type parameter of power conversion corresponding to the control information; beta is aiA content characteristic indicating the ith control information; p (i | s) represents a screening rule function of the power conversion proportion of the ith control information in the Gaussian mixture model; 1, 2, 3 … … N;
the invention is going onWhen the corresponding decision graph is selected.
Is to determine the weight coefficients of the ith control information among all control information. The weight coefficient of each control information is unique. 1-deltaiIn order to determine the weight of other information.
Step 2: detecting the power conversion decision diagram, and constructing a power output function B (j) of the power conversion decision diagram:
wherein m represents the number of power conversion decision graphs; is a direct changejThe power conversion characteristic representing the jth power conversion decision diagram is the advantages and disadvantages of power conversion, such as anti-interference performance; ljA power conversion ratio representing a jth power conversion decision diagram; d (r)j，yj) A compression function representing a power conversion decision graph; r isjA transition characteristic representing the jth power transition decision graph (which represents a range characteristic of the power transition); y isjA scaling factor representing a jth power conversion decision graph; gamma is the power conversion range of the power conversion decision diagram; j is 1, 2, 3 … … m; is a direct changej*‖lj-d(rj，yj)‖2The power conversion method comprises the steps of determining the capability and the total characteristic of power conversion of a jth power conversion decision diagram; gamma log (. alpha.)j*lj*rj) For indicating the range characteristics of the power conversion, i.e. pre-conversion power and post-conversion power.
And step 3: matching the decision diagram screening function with a power conversion decision diagram power output function to determine a matching parameter mu (A (i) | B (j)):
wherein,
when the matching parameter mu (A (i) and B (j)) is less than or equal to 0, the matching is failed, and the jth power conversion decision graph meets the user requirement;
when the matching parameter mu (A (i) | B (j) > 0, the matching is successful, and the jth power conversion decision diagram does not meet the requirements of users.
Step 3 of the present invention obtains the optimal power conversion decision mode, including the range and circuit of power conversion, by the matching degree between the power output function of the power conversion decision diagram and the screening function, that is, the ability of each decision diagram to conform to the screening function.
As an embodiment of the present invention: and the cloud end controller is also used for carrying out uniformity calculation on the control information and the power conversion decision diagram through the cloud end big data according to the control information of the user, and determining the corresponding power conversion decision diagram.
According to the method and the device, cloud big data are introduced to judge the uniformity of the control information and the power conversion decision diagram, so that the optimal power conversion decision diagram corresponding to the control information of the user, namely the optimal power conversion mode, can be determined more quickly.
As an embodiment of the present invention: the resistor network includes a plurality of integrated resistor regions; wherein,
the resistors in the same area are used for resistor series connection;
resistor users in different areas are connected in parallel.
The invention divides the area of the integrated resistor network, can quickly carry out series-parallel connection when the resistance is set in an anti-interference way, and the circuit manufacture of the flexible circuit board is more reasonable.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An integrated gate resistor of a semiconductor power conversion device, comprising:
an active controller area: comprising a plurality of semiconductor devices forming a multi-path array, wherein
An array connector is arranged between the path arrays, and the semiconductor device comprises a grid electrode;
a gate region: including a plurality of resistors to create a resistor network corresponding to the array of paths so that the resistor network is disposed on a flexible circuit board having a gate metal;
a bus area: the flexible circuit board is connected with the array connector through a bus with a line switch;
a control area: the cloud end controller is used for connecting the array connector, the flexible circuit board and the circuit switch, acquiring power information of the flexible circuit board through the cloud end controller, generating a power conversion decision diagram and controlling the array connector and the circuit switch.
2. The integrated grid resistor of the semiconductor power conversion device according to claim 1, wherein the cloud-side controller is configured to receive control information from a user and control the array connector to be turned on or off according to the control information; wherein,
the array connector is used for controlling the connection state between different path arrays and determining the conversion power of power conversion based on the connection state.
3. The integrated gate resistor of a semiconductor power conversion device according to claim 1, wherein the cloud-side controller controlling the array connector comprises the steps of:
step 1: acquiring control information of a user, and determining required conversion power P;
step 2: calculating power P of single path array under standard conditionSheet：
Wherein, ISheetRepresenting the current of a single path array; u shapeSheetRepresenting the current of the singleton path array; i isOriginal sourceRepresenting the original current of the single pick path array; i isRotating shaftRepresenting the switching current of the single pick path array; q represents the total charge of the single path array; k represents the conversion constant of the single path array; t represents the conversion coefficient of the single path array;
and step 3: determining conversion coefficients of the single array based on the fitted curve;
and 4, step 4: determining, from the conversion coefficients, powers at a plurality of path arrays:
wherein, PRear endRepresenting the converted power; t represents a period; x represents the number of arrays;
and 5: and controlling the corresponding array connector to start according to the power of the plurality of path arrays.
4. The integrated gate resistor of a semiconductor power conversion device according to claim 1, wherein the cloud end controller obtains power information of the flexible wiring board, and comprises:
determining the number of working path arrays and the path arrays in the connection state according to the array connector to generate first information;
determining the connection condition of the flexible circuit board and the path array according to the flexible circuit board, and generating second information;
determining a power conversion ratio according to the number of the path arrays to generate third information;
determining a power range and a power conversion value of power conversion according to the connection condition, and generating fourth information;
and transmitting the first information, the second information, the third information and the fourth information to a cloud network through a cloud controller.
5. The integrated grid resistor of a semiconductor power conversion device of claim 1, wherein the resistors of the resistor network are all connected to a flexible circuit board, and different resistors in the resistor network have different resistance values;
the flexible circuit board is used for controlling the resistors to be connected in parallel and in series according to the on-off of the circuit in the circuit board.
6. The integrated gate resistor of a semiconductor power conversion device of claim 1, wherein the cloud-side controller is further configured to generate a power conversion strategy based on the connected devices, comprising:
after the power output equipment and the power receiving equipment are connected, automatically acquiring the output power of the power output equipment and the target power of the power receiving equipment;
determining a power conversion ratio according to the output power and the target power;
determining the number of path arrays to be connected and a connection model of the resistors according to the power conversion ratio;
generating a power conversion evaluation model according to the path array and the connection model;
controlling the array connector to be switched on according to the power conversion evaluation model, and generating an integrated resistor array through a flexible circuit board;
and connecting the array connector through a line switch according to the resistor array to generate a power conversion strategy.
7. The integrated gate resistor of a semiconductor power conversion device of claim 1, wherein the cloud-side controller is further configured to build a power conversion decision map based on the power information, comprising the steps of:
according to the distribution condition of the multiple path arrays, establishing a first decision map by taking the path arrays as map lines, and setting line hubs of different map lines in the first decision map by taking the array connectors as line hubs;
generating a plurality of combined models of integrated resistors according to the resistor network, determining the number of the combined models, and taking each combined model as a replaceable second decision map;
generating double-layer decision maps with the same number as the combined models according to the first decision map and the second decision map;
establishing a connection line between the two layers of decision diagrams according to the line switch to form a power conversion decision diagram; wherein,
each power conversion decision map has a corresponding power conversion ratio.
8. The integrated gate resistor of a semiconductor power conversion device according to claim 2, wherein the cloud-side controller is further configured to determine a corresponding power conversion decision map according to control information of a user, comprising the steps of:
step 1: detecting the control information, and constructing a decision graph screening function A (i):
wherein N represents the number of control information; deltaiA weight indicating the ith control information; Δ V represents a capability parameter of the control information;
a power parameter indicating a power conversion corresponding to the control information; s represents a type parameter of power conversion corresponding to the control information; beta is aiIndicates the ith controlA content characteristic of the information; p (i | s) represents a screening rule function of the power conversion proportion of the ith control information in the Gaussian mixture model; 1, 2, 3 … … N;
step 2: detecting the power conversion decision diagram, and constructing a power output function B (j) of the power conversion decision diagram:
wherein m represents the number of power conversion decision graphs; is a direct changejA power transition characteristic representing a jth power transition decision diagram; ljA power conversion ratio representing a jth power conversion decision diagram; d (r)j，yj) A compression function representing a power conversion decision graph; r isjA transition characteristic representing a jth power transition decision diagram; y isjA scaling factor representing a jth power conversion decision graph; gamma is the power conversion range of the power conversion decision diagram; j is 1, 2, 3 … … m;
and step 3: matching the decision diagram screening function with a power conversion decision diagram power output function to determine a matching parameter mu (A (i) | B (j)):
wherein,
when the matching parameter mu (A (i) and B (j)) is less than or equal to 0, the matching is failed, and the jth power conversion decision graph meets the user requirement;
when the matching parameter mu (A (i) | B (j) > 0, the matching is successful, and the jth power conversion decision diagram does not meet the requirements of users.
9. The integrated gate resistor of claim 2, wherein the cloud controller is further configured to perform a uniformity calculation on the control information and the power conversion decision map through cloud big data according to the control information of the user to determine the corresponding power conversion decision map.
10. An integrated gate resistor of a semiconductor power conversion device according to claim 1, wherein the resistor network comprises a plurality of integrated resistor regions; wherein,
the resistors in the same area are used for resistor series connection;
resistor users in different areas are connected in parallel.
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Denomination of invention: An integrated gate resistor for semiconductor power conversion equipment Effective date of registration: 20231207 Granted publication date: 20220301 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: Shenzhen Gaoweike Electronics Co.,Ltd. Registration number: Y2023980069844 |