CN112366810A - High-voltage solid-state dual-power switching device of data center - Google Patents
High-voltage solid-state dual-power switching device of data center Download PDFInfo
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- CN112366810A CN112366810A CN202011304580.5A CN202011304580A CN112366810A CN 112366810 A CN112366810 A CN 112366810A CN 202011304580 A CN202011304580 A CN 202011304580A CN 112366810 A CN112366810 A CN 112366810A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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Abstract
The invention relates to a high-voltage solid-state dual-power switching device for a data center, which comprises a main control board, a touch screen man-machine interface module, two groups of high-frequency pulse trigger driving boards, two groups of high-voltage transformers, two groups of controlled silicon series components, a plurality of magnetoelectric conversion synchronous protection trigger boards and a plurality of high-voltage current transformers, wherein the main control board is connected with the main control board through a high-voltage power supply; through arranging dual power supply switching device in the high-pressure side, make a whole set of circuit only need one set of high tension switchgear, a transformer and one set of low-voltage distribution cabinet, thereby high-low voltage configuration in the past reduces the half of principle, half the investment has been saved, and simultaneously, only a transformer greatly reduced the loss of electric energy, the later stage running cost of data center has been saved, thereby make the switching of power can not influence the normal operating of rear end equipment, the stability of a whole set of distribution system has been improved greatly.
Description
Technical Field
The invention relates to the technical field of power supply control, in particular to a high-voltage solid-state dual-power switching device for a data center.
Background
The dual-power switching device of a common data center is mostly arranged on the low-voltage side of a dual-power supply, and the dual-power supply needs a transformer and a high-low voltage distribution device from the high-voltage side to the low-voltage side, needs two sets of high-voltage switch cabinets and two sets of transformers, and needs two sets of low-voltage distribution to connect the output of the two paths of low-voltage distribution to the dual-power switching device for switching, and the existing transformer has no-load loss.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a high-voltage solid-state dual power switching device for a data center, which can solve the problems in the prior art
The invention relates to a high-voltage solid-state dual-power switching device for a data center, which comprises a main control board, a touch screen man-machine interface module, two groups of high-frequency pulse trigger driving boards, two groups of high-voltage transformers, two groups of controlled silicon series components, a plurality of magnetoelectric conversion synchronous protection trigger boards and a plurality of high-voltage current transformers, wherein the main control board is connected with the main control board through a high-voltage power supply;
the silicon controlled rectifier series component comprises an even number of anodes and silicon controlled rectifiers, wherein the anodes are sequentially connected in series to form a closed loop;
the magneto-electric conversion synchronous protection trigger plate comprises two magnetic rings and two discharge tubes, the magnetic rings and the discharge tubes are connected in series at intervals to form a closed loop, two ends of one magnetic ring are respectively connected with a control electrode and an anode of one controllable silicon, two ends of the other magnetic ring are respectively connected with a control electrode and an anode of the other controllable silicon, high-voltage input ends and first output ends are respectively led out from the end parts of the magnetic rings positioned at the head and the tail, the high-voltage input ends are externally connected with a high-voltage power supply, and the first output ends of the two groups of controllable silicon components are correspondingly connected and combined into a second;
two magnetic rings in the magnetoelectric conversion synchronous protection trigger plate penetrate through the same high-voltage cable, and two ends of the high-voltage cable are connected with the high-frequency pulse trigger drive plate;
the touch screen man-machine interface module is arranged on the main control board and used for accessing a man-machine interaction touch screen;
the high-frequency pulse trigger driving board is connected with the main control board through a signal input interface, the high-frequency pulse trigger driving board is externally connected with a power supply, and the high-frequency pulse trigger driving board is used for controlling the MOS tube to amplify through an input signal and then driving the high-voltage cable to enable the high-voltage cable to generate high-frequency heavy current pulses;
the high-voltage transformer is arranged at the high-voltage input end and used for collecting a high-voltage input signal and sending the high-voltage input signal to the main control board;
the high-voltage current transformer is arranged at the high-voltage output end and used for collecting high-voltage output signals and sending the high-voltage output signals to the main control board.
Furthermore, the model specification of the controllable silicon is KP2000A/6500V, and the controllable silicon assembly comprises 10 cathodes and anodes which are connected in series in sequence to form a closed-loop controllable silicon.
Furthermore, the number of the magnetoelectric conversion synchronous protection trigger plates corresponding to one group of the silicon controlled components is 5.
Furthermore, each group of the silicon controlled components comprises three silicon controlled components, the high-voltage input end and the high-voltage output end are three, and the three high-voltage input ends and the three high-voltage output ends are used for a three-phase power supply.
Further, the signal input interface of the high-frequency pulse trigger driving board is connected with the main control board through an optical fiber.
The invention has the beneficial effects that: according to the high-voltage solid-state dual power switching device for the data center, the dual power switching device is arranged on the high-voltage side, so that the whole set of circuit only needs one set of high-voltage switch cabinet, one transformer and one set of low-voltage power distribution cabinet, the conventional high-voltage and low-voltage configuration is reduced to one half of the principle, half of investment is saved, meanwhile, only one transformer greatly reduces the loss of electric energy, the later operation cost of the data center is saved, the normal operation of rear-end equipment cannot be influenced by the switching of the power supply, and the stability of the whole set of power distribution system is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic view of a connection structure of a main control board according to the present invention;
FIG. 2 is a schematic diagram of the connection between the thyristor assembly and the magnetoelectric conversion synchronous protection trigger plate according to the present invention;
FIG. 3 is a schematic diagram of a connection structure of the high-frequency pulse trigger driving board according to the present invention;
FIG. 4 is a schematic structural diagram of a magneto-electric conversion synchronous protection trigger plate according to the present invention;
fig. 5 is a schematic view of the overall structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Based on the technical problems proposed by the background art, as shown in fig. 1 to 5: the high-voltage solid-state dual-power switching device of the embodiment comprises a main control board, a touch screen man-machine interface, a high-frequency pulse trigger driving board A, a high-frequency pulse trigger driving board B, a high-voltage potential transformer A-A, a high-voltage potential transformer A-B, a high-voltage potential transformer A-C, a high-voltage potential transformer B-A, a high-voltage potential transformer B-B and a high-voltage potential transformer B-C, the system comprises a silicon controlled rectifier serial component A-A, a silicon controlled rectifier serial component A-B, a silicon controlled rectifier serial component A-C, a silicon controlled rectifier serial component B-A, a silicon controlled rectifier serial component B-B, a silicon controlled rectifier serial component B-C, 30 magnetoelectric conversion synchronous protection trigger plates, a high-voltage current transformer R, a high-voltage current transformer S and a high-voltage current transformer T.
The silicon controlled rectifier serial component A-A, the silicon controlled rectifier serial component A-B, the silicon controlled rectifier serial component A-C, the silicon controlled rectifier serial component B-A, the silicon controlled rectifier serial component B-B and the silicon controlled rectifier serial component B-C are divided into a group A and a group B, the silicon controlled rectifier serial component A-B, the silicon controlled rectifier serial component B-B and the silicon controlled rectifier serial component B-C are all consistent in structure and comprise 10 anodes and anodes which are sequentially connected in series to form closed-loop silicon controlled rectifiers, the highest withstand voltage is 32.5KV, two paths of three-phase alternating high-voltage electricity.
The 30 magnetic-electric conversion synchronous protection trigger plates are consistent in structure and respectively comprise two magnetic rings and two discharge tubes, the magnetic rings and the discharge tubes are connected in series at intervals to form a closed loop, two ends of one magnetic ring in one magnetic-electric conversion synchronous protection trigger plate are respectively connected with a control electrode G and an anode K of one silicon controlled rectifier, two ends of the other magnetic ring are respectively connected with a control electrode G and an anode K of the other silicon controlled rectifier, a high-voltage input end and a first output end are respectively led out from the end parts of the magnetic rings at the head and the tail, the high-voltage input end is externally connected with a high-voltage power supply, and the first output ends of the two groups of silicon controlled rectifier assemblies are correspondingly.
Two magnetic rings in the magnetoelectric conversion synchronous protection trigger plate are provided with the same high-voltage cable in a penetrating manner, and two ends of the high-voltage cable are connected with the high-frequency pulse trigger drive plate.
The touch screen man-machine interface module is arranged on the main control board and used for being connected with the man-machine interaction touch screen, and parameter setting and data display are completed through the man-machine interaction touch screen.
The high-frequency pulse trigger drive board is connected with the main control board through the signal input interface, is externally connected with a power supply and is used for controlling the MOS tube to amplify through an input signal and then driving the high-voltage cable, so that high-frequency heavy current pulses are generated on the high-voltage cable.
The high-voltage transformer is arranged at the high-voltage input end and used for collecting high-voltage input signals and sending the high-voltage input signals to the main control board.
The high-voltage current transformer is arranged at the high-voltage output end and used for collecting high-voltage output signals and sending the high-voltage output signals to the main control board.
The specific implementation principle is as follows:
after voltage signals collected by the high-voltage potential transformer A-A, the high-voltage potential transformer A-B, the high-voltage potential transformer A-C, the high-voltage potential transformer B-A, the high-voltage potential transformer B-B and the high-voltage potential transformer B-C are connected into the main control board, the main control board divides the signals of the high-voltage potential transformers into two paths, one path is rectified, and then power is provided for a control system, and the main control board can work normally as long as one path is normal for the 1-10KV high-voltage power supply A and the 1-10KV high-voltage power supply B. And the other path of signals is used as a synchronous signal and a power supply abnormity judgment signal and is input to the main control board as a motion judgment basis of the main control board, when the device needs to be switched into a 1-10KV high-voltage power supply A, the main control board can generate a 10KHz high-frequency pulse signal with the same frequency and phase as the 1-10KV high-voltage power supply A, the device adopts optical fibers to transmit signals in order to avoid electromagnetic interference of cable transmission signals, and the signals are transmitted to the high-frequency pulse trigger drive board A through the optical fibers.
The high-frequency pulse trigger drive board A amplifies the trigger signal through the MOS tube and then drives the high-voltage cable, so that high-frequency heavy current pulses are generated on the high-voltage cable.
The magnetic ring on the magnetic-electric conversion synchronous protection trigger plate can induce a pulse magnetic field on the magnetic ring, the magnetic ring is provided with a winding connected with a K pole and a G pole of a silicon controlled rectifier, the pulse magnetic field of the magnetic ring induces voltage on the winding and outputs the voltage to the K pole and the G pole of the silicon controlled rectifier, so that the silicon controlled rectifier is conducted, 10 silicon controlled rectifiers on one silicon controlled rectifier assembly transmit trigger energy through a high-voltage cable, all the silicon controlled rectifiers on one silicon controlled rectifier assembly can be ensured to be triggered and conducted at the same moment, the problem that the finally conducted silicon controlled rectifiers bear the whole power supply voltage before being conducted at different conduction moments is avoided, the magnetic ring and the high-voltage cable also have the isolation function of a high-voltage circuit and a low-voltage control circuit, the magnetic-electric conversion synchronous protection trigger plate has an overvoltage protection function, when the voltage at two ends of the silicon controlled rectifiers exceeds the protection voltage of a gas discharge tube, so that electric The conduction voltage of the thyristor is increased, so that the thyristor is protected from being damaged by high voltage. The high-voltage current transformer is responsible for collecting output current so that the main control board can judge whether the current is in a normal range.
And finally, no matter the A-path power supply is conducted or the B-path power supply is conducted, the two paths of high-voltage power supplies are gathered to one path of high-voltage output end, and double-power-supply input and single-power-supply output of the two paths of high voltages are realized. After the invention is adopted, only one transformer is needed to be equipped, the double-circuit access of the commercial power can be realized by the high-low voltage distribution, the operation stability of the data center is greatly increased, simultaneously, a large amount of funds and later operation loss are saved, the energy consumption is reduced, and the invention has great economic benefit and social benefit.
According to the high-voltage solid-state dual power switching device for the data center, the dual power switching device is arranged on the high-voltage side, so that the whole set of circuit only needs one set of high-voltage switch cabinet, one transformer and one set of low-voltage power distribution cabinet, the conventional high-voltage and low-voltage configuration is reduced to one half of the principle, half of investment is saved, meanwhile, only one transformer greatly reduces the loss of electric energy, the later operation cost of the data center is saved, the normal operation of rear-end equipment cannot be influenced by the switching of the power supply, and the stability of the whole set of power distribution system is greatly improved.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (5)
1. The utility model provides a solid-state duplicate supply auto-change over device of data center high pressure which characterized in that: the system comprises a main control board, a touch screen man-machine interface module, two groups of high-frequency pulse trigger driving boards, two groups of high-voltage transformers, two groups of silicon controlled rectifier series components, a plurality of magnetoelectric conversion synchronous protection trigger boards and a plurality of high-voltage current transformers;
the silicon controlled rectifier series component comprises an even number of anodes and silicon controlled rectifiers, wherein the anodes are sequentially connected in series to form a closed loop;
the magneto-electric conversion synchronous protection trigger plate comprises two magnetic rings and two discharge tubes, the magnetic rings and the discharge tubes are connected in series at intervals to form a closed loop, two ends of one magnetic ring are respectively connected with a control electrode and an anode of one controllable silicon, two ends of the other magnetic ring are respectively connected with a control electrode and an anode of the other controllable silicon, high-voltage input ends and first output ends are respectively led out from the end parts of the magnetic rings positioned at the head and the tail, the high-voltage input ends are externally connected with a high-voltage power supply, and the first output ends of the two groups of controllable silicon components are correspondingly connected and combined into a second;
two magnetic rings in the magnetoelectric conversion synchronous protection trigger plate penetrate through the same high-voltage cable, and two ends of the high-voltage cable are connected with the high-frequency pulse trigger drive plate;
the touch screen man-machine interface module is arranged on the main control board and used for accessing a man-machine interaction touch screen;
the high-frequency pulse trigger driving board is connected with the main control board through a signal input interface, the high-frequency pulse trigger driving board is externally connected with a power supply, and the high-frequency pulse trigger driving board is used for controlling the MOS tube to amplify through an input signal and then driving the high-voltage cable to enable the high-voltage cable to generate high-frequency heavy current pulses;
the high-voltage transformer is arranged at the high-voltage input end and used for collecting a high-voltage input signal and sending the high-voltage input signal to the main control board;
the high-voltage current transformer is arranged at the high-voltage output end and used for collecting high-voltage output signals and sending the high-voltage output signals to the main control board.
2. The high-voltage solid-state dual power supply switching device of the data center according to claim 1, wherein: the model specification of the controllable silicon is KP2000A/6500V, the controllable silicon assembly comprises 10 cathodes and anodes which are connected in series in sequence to form closed-loop controllable silicon.
3. The high-voltage solid-state dual power supply switching device of the data center according to claim 2, wherein: the number of the magnetoelectric conversion synchronous protection trigger plates corresponding to the silicon controlled components is 5.
4. The high-voltage solid-state dual power supply switching device of the data center according to claim 1, wherein: each group of the silicon controlled components comprises three silicon controlled components, the high-voltage input end and the high-voltage output end are three, and the three high-voltage input ends and the three high-voltage output ends are used for a three-phase power supply.
5. The high-voltage solid-state dual power supply switching device of the data center according to claim 1, wherein: and a signal input interface of the high-frequency pulse trigger driving board is connected with the main control board through an optical fiber.
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| CN202011304580.5A CN112366810A (en) | 2020-11-19 | 2020-11-19 | High-voltage solid-state dual-power switching device of data center |
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| CN202011304580.5A CN112366810A (en) | 2020-11-19 | 2020-11-19 | High-voltage solid-state dual-power switching device of data center |
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2020
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