Pump Comprehensive Performance Testing System

I. Overview:

 ◆ Test Items: Flow rate, rotational speed, current, power, pressure (head), efficiency, temperature rise;

 ◆ System indicators comply with GB/T3216-2005 "Rotodynamic pumps - Hydraulic performance acceptance tests - Grades 1 and 2" and GB/T12785-2002 "Test methods for submersible pumps";

◆ The testing system consists of a flow rate and rotational speed tester, pressure head tester, single/three-phase electrical parameter measuring instrument, temperature rise tester for live windings, LWGY turbine flow sensor, pressure transmitter, pressure gauge, etc.;

◆ Scheme Overview: This system configuration is mainly designed for factory acceptance tests, type tests, and cavitation tests of horizontal (vertical) single-screw pumps, horizontal double (triple) screw pumps, rotor pumps, and centrifugal pumps, using a standard test device with a closed-loop structure.

◆ Application Scenarios: Submersible pumps, deep well pumps, centrifugal pumps, pipeline pumps, self-priming pumps, chemical pumps, screw pumps, household booster pumps, sewage pumps, automotive fuel injection pumps, automotive washers, automotive cooling water pumps, motorized sprayers, aquarium pumps, high-pressure cleaners, washing machines (dishwashers), and other pump motors.

II. System Functions:

 1. The system can perform performance tests and cavitation tests on various pumps.

 2. The system can display real-time data on pump flow rate, inlet pressure, outlet pressure, shaft torque, rotational speed, shaft power, efficiency, head, and water temperature.

 3. The system can automatically identify and display positive and negative torque.

 4. The system can automatically perform temperature compensation for torque and rotational speed sensors.

 5. The system can set upper and lower alarm limits for flow rate, inlet pressure, torque, and rotational speed, with customizable alarm values.

 6. The system can automatically store test data.

 7. The system can display real-time collected data and curves.

 8. The system allows arbitrary setting of curve coordinate values to meet the needs of various pump tests.

 9. During testing, if bad data points are acquired, they can be deleted and reinserted for re-testing.

 10. The system has a memory function for various parameter settings, requiring only a one-time input.

 11. The system has a historical data playback function, allowing editing and modification.

 12. The system can print test results, including data and curves, via a printer.

 13. The system features both menu and shortcut key operations, with on-screen prompts in Chinese, providing great convenience for the operator.

 III. Technical Specifications:

1. Flow measurement accuracy: Better than ±0.5% FS

 2. Flow measurement range: Depends on the flow sensor

 3. Inlet pressure measurement accuracy: Better than ±0.5% FS

 4. Inlet pressure measurement range: Depends on the pressure sensor

5. Outlet pressure measurement accuracy: Better than ±0.5% FS

 6. Outlet pressure measurement range: Depends on the pressure sensor

 7. Temperature measurement accuracy: ±0.5%

 8. Temperature measurement range: 0~100°C

 9. Torque measurement accuracy: ±0.5% FS

10. Torque measurement range: Depends on the torque and rotational speed sensor

 11. Rotational speed measurement accuracy: ±0.2% ±1 digit

 12. Alarm value range: Arbitrarily set upper and lower limits.

IV. System Configuration and Functions, Schematic Diagram

System Configuration: The overall system consists of an instrument control system and a pipeline system (provided by the user). The instrument control system includes a rotational speed tester, pressure head tester, three-phase electrical parameter measuring instrument, LWGY turbine flow sensor, pressure transmitters (inlet and outlet), pressure gauge, solenoid valve, power cabinet, system integration cabinet, and (manual) automatic testing software.

V. Software Introduction:

 Automatically tests pump performance parameters, generates original data tables for pump test reports, pump performance curves, and test result summaries. Performance curves include P-Q, H-Q, E-Q curves, and cavitation characteristic curves.