Dynamic-balance test method and apparatus for rigid rotor, device, and medium

An electronic device, comprising:

• at least one processor;
• and
• a memory communicatively connected to the at least one processor;
• wherein the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform:
• acquiring a counterweight influence coefficient library, initial vibration swing data collected by a vibration sensor and a swing sensor during a first speed increase test after maintenance of a current pumped energy storage motor and an initial vibration vector during the first speed increase test after the maintenance of the current pumped energy storage motor;
• determining an initial test weight mass and an initial test weight phase according to the initial vibration swing data and the counterweight influence coefficient library, and triggering the current pumped energy storage motor to perform a speed increase test according to the initial test weight mass and the initial test weight phase to obtain a target vibration vector;
• determining a target configuration influence coefficient according to the initial vibration vector, the target vibration vector and the initial test weight mass;
• determining a target test weight mass and a target test weight phase of a counterweight block installed at a selected test point according to the target configuration influence coefficient and the initial vibration vector, wherein the selected test point comprises one of an upper guide, a lower guide, an upper rack or a lower rack, and calculating a residual vibration swing value according to the target configuration influence coefficient, the initial vibration vector, the target test weight mass and the target test weight phase of the counterweight block installed at the selected test point;
• and
• determining a target test weight adjustment scheme according to the residual vibration swing value, a rotor operation vibration standard, the target test weight mass and the target test weight phase of the counterweight block installed at the selected test point;
• wherein determining the target test weight mass and the target test weight phase of the counterweight block installed at the selected test point according to the target configuration influence coefficient and the initial vibration vector comprises:
• determining a to-be-evaluated counterweight scheme according to the target configuration influence coefficient and the initial vibration vector;
• calculating to-be-compared vibration swing data of the to-be-evaluated counterweight scheme;
• and
• determining the target test weight mass and the target test weight phase of the counterweight block installed at the selected test point according to the to-be-evaluated counterweight scheme, the to-be-compared vibration swing data and the initial vibration vector;
• wherein determining the target test weight adjustment scheme according to the residual vibration swing value, the rotor operation vibration standard, the target test weight mass and the target test weight phase of the counterweight block installed at the selected test point comprises:
• in response to the residual vibration swing value not meeting the rotor operation vibration standard, updating the target test weight mass and/or the target test weight phase, returning to perform an operation of calculating the residual vibration swing value according to the target configuration influence coefficient, the initial vibration vector, the target test weight mass and the target test weight phase until the residual vibration swing value meets the rotor operation vibration standard, and determining the target test weight adjustment scheme according to the updated target test weight mass and the updated target test weight phase;
• wherein in response to the residual vibration swing value not meeting the rotor operation vibration standard, updating the target test weight mass and/or the target test weight phase comprises:
• calculating a target displacement value matching with a target rotation frequency of the current pumped energy storage motor according to the residual vibration swing value and the target rotation frequency of the current pumped energy storage motor;
• and
• in response to the target displacement value being greater than or equal to a target vibration displacement threshold in the rotor operation vibration standard, updating the target test weight mass and/or the target test weight phase.

A non-transitory computer-readable storage medium storing computer instructions which, when executed by a processor, are configured to perform:

• acquiring a counterweight influence coefficient library, initial vibration swing data collected by a vibration sensor and a swing sensor during a first speed increase test after maintenance of a current pumped energy storage motor and an initial vibration vector during the first speed increase test after the maintenance of the current pumped energy storage motor;
• determining an initial test weight mass and an initial test weight phase according to the initial vibration swing data and the counterweight influence coefficient library, and triggering the current pumped energy storage motor to perform a speed increase test according to the initial test weight mass and the initial test weight phase to obtain a target vibration vector;
• determining a target configuration influence coefficient according to the initial vibration vector, the target vibration vector and the initial test weight mass;
• determining a target test weight mass and a target test weight phase of a counterweight block installed at a selected test point according to the target configuration influence coefficient and the initial vibration vector, wherein the selected test point comprises one of an upper guide, a lower guide, an upper rack or a lower rack, and calculating a residual vibration swing value according to the target configuration influence coefficient, the initial vibration vector, the target test weight mass and the target test weight phase of the counterweight block installed at the selected test point;
• and
• determining a target test weight adjustment scheme according to the residual vibration swing value, a rotor operation vibration standard, the target test weight mass and the target test weight phase of the counterweight block installed at the selected test point;
• wherein determining the target test weight mass and the target test weight phase of the counterweight block installed at the selected test point according to the target configuration influence coefficient and the initial vibration vector comprises:
• determining a to-be-evaluated counterweight scheme according to the target configuration influence coefficient and the initial vibration vector;
• calculating to-be-compared vibration swing data of the to-be-evaluated counterweight scheme;
• and
• determining the target test weight mass and the target test weight phase of the counterweight block installed at the selected test point according to the to-be-evaluated counterweight scheme, the to-be-compared vibration swing data and the initial vibration vector;
• wherein determining the target test weight adjustment scheme according to the residual vibration swing value, the rotor operation vibration standard, the target test weight mass and the target test weight phase of the counterweight block installed at the selected test point comprises:
• in response to the residual vibration swing value not meeting the rotor operation vibration standard, updating the target test weight mass and/or the target test weight phase, returning to perform an operation of calculating the residual vibration swing value according to the target configuration influence coefficient, the initial vibration vector, the target test weight mass and the target test weight phase until the residual vibration swing value meets the rotor operation vibration standard, and determining the target test weight adjustment scheme according to the updated target test weight mass and the updated target test weight phase;
• wherein in response to the residual vibration swing value not meeting the rotor operation vibration standard, updating the target test weight mass and/or the target test weight phase comprises:
• calculating a target displacement value matching with a target rotation frequency of the current pumped energy storage motor according to the residual vibration swing value and the target rotation frequency of the current pumped energy storage motor;
• and
• in response to the target displacement value being greater than or equal to a target vibration displacement threshold in the rotor operation vibration standard, updating the target test weight mass and/or the target test weight phase.