CN-121984201-A - High-voltage energy storage type UPS, control method, device and equipment thereof

CN121984201ACN 121984201 ACN121984201 ACN 121984201ACN-121984201-A

Abstract

The embodiment of the invention discloses a high-voltage energy storage type UPS, a control method, a device and equipment thereof, wherein the high-voltage energy storage type UPS comprises an energy storage battery, a controller and a bidirectional variable current booster, one side of the bidirectional variable current booster is connected with the energy storage battery, the other side of the bidirectional variable current booster is respectively connected with a high-voltage bus on a power grid side and a transformer on a load side, and the controller is used for determining a control instruction according to the battery state of the energy storage battery, the power grid state on the power grid side and the power utilization state on the load side, sending the control instruction to the bidirectional alternating current booster and triggering the bidirectional alternating current booster to perform alternating current-direct current conversion and/or voltage regulation operation so as to perform charge-discharge operation.

Inventors

CHEN YUE
LI PEIPEI
LUO YONGQIANG
SUN XUEYING
JI CHAO
Qiao Xiaoyao

Assignees

中移能源科技(北京)有限公司
中国移动通信集团设计院有限公司
中国移动通信集团有限公司

Dates

Publication Date: 20260505
Application Date: 20251218

Claims (10)

1. The high-voltage energy storage type UPS is characterized by comprising an energy storage battery, a controller and a bidirectional converter-booster, One side of the bidirectional variable-current booster is connected with the energy storage battery, and the other side of the bidirectional variable-current booster is respectively connected with a high-voltage bus on the power grid side and a transformer on the load side; The controller is used for determining a control instruction according to the battery state of the energy storage battery, the power grid state of the power grid side and the power utilization state of the load side, and sending the control instruction to the bidirectional alternating current booster, wherein the control instruction is used for triggering the bidirectional alternating current booster to perform alternating current-direct current conversion and/or voltage regulation operation so as to perform charge-discharge operation.
2. The high voltage energy storage UPS of claim 1, further comprising a static transfer switch and/or a maintenance switch, wherein, The bidirectional variable-current booster is connected with the high-voltage bus at the power grid side through the static change-over switch; the maintenance switch is respectively connected with the high-voltage bus at the power grid side and the transformer at the load side.
3. The high voltage energy storage UPS of claim 1, further comprising a charge and discharge module, wherein the charge and discharge module comprises a charging circuit and/or a discharge circuit, and wherein the energy storage battery is connected to the bi-directional current transformer booster through the charge and discharge module.
4. A control method of a high voltage energy storage UPS, wherein the control method is applied to the high voltage energy storage UPS as claimed in any one of claims 1 to 3, and the method includes: Acquiring a battery state of the energy storage battery, a power grid state of the power grid side and a power utilization state of the load side through the controller; determining whether to perform a target operation based on one or more of a battery state of the energy storage battery, a grid state of the grid side, and a power usage state of the load side, the target operation including a charging operation of the energy storage battery with a grid, and/or a discharging operation of a load with the energy storage battery; and under the condition that the target operation is determined to be executed, sending a control instruction corresponding to the target operation to the bidirectional alternating current booster through the controller, wherein the control instruction is used for triggering the bidirectional alternating current booster to perform alternating current-direct current conversion and/or voltage regulation operation.
5. The method of claim 4, wherein the determining whether to perform a target operation based on one or more of a battery state of the energy storage battery, a grid state of the grid side, and a power usage state of the load side comprises: judging whether the power grid is abnormal or not based on the power grid state of the power grid side; Under the condition that the power grid is not abnormal, determining whether the standby power requirement is met or not based on the power utilization state of the load side and the battery state of the energy storage battery; In the case where it is determined that the standby power demand is satisfied, the target operation is determined based on a control type of the current period, the control type including a discharging period and a charging period.
6. The method of claim 4, wherein the control instructions include a first control instruction corresponding to the charging operation, the first control instruction including controlling the bi-directional ac booster to convert ac power to dc power, and performing a step-down operation, and a second control instruction corresponding to the discharging operation, the second control instruction including controlling the bi-directional ac booster to convert dc power to ac power, and performing a step-up operation.
7. A control device for a high voltage energy storage UPS, the device comprising: the data acquisition module is used for acquiring the battery state of the energy storage battery, the power grid state of the power grid side and the power utilization state of the load side through the controller; An operation determining module, configured to determine whether to perform a target operation based on one or more of a battery state of an energy storage battery, a grid state of the grid side, and a power consumption state of the load side, where the target operation includes a charging operation of the energy storage battery with a grid, and/or a discharging operation of a load with the energy storage battery; And the command sending module is used for sending a control command corresponding to the target operation to the bidirectional alternating current booster through the controller under the condition that the target operation is determined to be executed, wherein the control command is used for triggering the bidirectional alternating current booster to perform alternating current-direct current conversion and/or voltage regulation operation.
8. A control device of a high voltage energy storage UPS, comprising a processor, a memory and a computer program stored on the memory and executable on the processor, which when executed by the processor, performs the steps of the control method of a high voltage energy storage UPS as claimed in any one of claims 4 to 6.
9. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, which when executed by a processor, implements the steps of the method for controlling a high voltage energy storage UPS according to any one of claims 4 to 6.
10. A computer program product comprising a computer program which, when executed by a processor, implements the steps of the method of controlling a high voltage energy storage UPS as claimed in any one of claims 4 to 6.

Description

High-voltage energy storage type UPS, control method, device and equipment thereof Technical Field The present invention relates to the field of computer technologies, and in particular, to a high voltage energy storage UPS, and a control method, apparatus, and device thereof. Background When the mains supply is abnormal, the uninterruptible power supply (Uninterruptible Power Supply, UPS) can provide a stable power supply for the load, so that the load can run uninterruptedly, and the uninterruptible power supply is an indispensable power protection device for the data center. In the UPS used at present, the energy storage generally adopts a lead-acid storage battery, the battery is in a floating state for a long time, and the battery needs to be maintained regularly, so that the problems of low utilization rate, redundant investment and the like exist, and therefore, the technical scheme capable of improving the utilization rate of the UPS, reducing the marginal cost and ensuring the power supply stability is needed. Disclosure of Invention The embodiment of the invention aims to provide a technical scheme capable of improving the utilization rate of UPS, reducing marginal cost and ensuring power supply stability. In order to solve the technical problems, the embodiment of the invention is realized as follows: in a first aspect, an embodiment of the present invention provides a high voltage energy storage UPS, where the high voltage energy storage UPS includes an energy storage battery, a controller, and a bidirectional variable current booster, One side of the bidirectional variable-current booster is connected with the energy storage battery, and the other side of the bidirectional variable-current booster is respectively connected with a high-voltage bus on the power grid side and a transformer on the load side; The controller is used for determining a control instruction according to the battery state of the energy storage battery, the power grid state of the power grid side and the power utilization state of the load side, and sending the control instruction to the bidirectional alternating current booster, wherein the control instruction is used for triggering the bidirectional alternating current booster to perform alternating current-direct current conversion and/or voltage regulation operation so as to perform charge-discharge operation. In a second aspect, a method for controlling a high-voltage energy storage UPS provided by an embodiment of the present invention includes: Acquiring a battery state of the energy storage battery, a power grid state of the power grid side and a power utilization state of the load side through the controller; determining whether to perform a target operation based on one or more of a battery state of the energy storage battery, a grid state of the grid side, and a power usage state of the load side, the target operation including a charging operation of the energy storage battery with a grid, and/or a discharging operation of a load with the energy storage battery; and under the condition that the target operation is determined to be executed, sending a control instruction corresponding to the target operation to the bidirectional alternating current booster through the controller, wherein the control instruction is used for triggering the bidirectional alternating current booster to perform alternating current-direct current conversion and/or voltage regulation operation. In a third aspect, an embodiment of the present invention provides a control device for a high voltage energy storage UPS, where the device includes: The data acquisition module is used for acquiring the battery state of the energy storage battery, the power grid state of the power grid side and the power utilization state of the load side through the controller; An operation determining module, configured to determine whether to perform a target operation based on one or more of a battery state of the energy storage battery, a grid state of the grid side, and a power consumption state of the load side, where the target operation includes a charging operation of the energy storage battery with a power grid, and/or a discharging operation of the load with the energy storage battery; and the instruction sending module is used for sending a control instruction corresponding to the target operation to the bidirectional alternating current booster through the controller under the condition that the target operation is determined to be executed, wherein the control instruction is used for triggering the bidirectional alternating current booster to perform alternating current-direct current conversion and/or voltage regulation operation. In a fourth aspect, an embodiment of the present invention provides a control device of a high voltage energy storage UPS, including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program w