Sichuan ElectricsomeProcurement Plan for Beiguang Precision Instrument Material Testing Equipment by the Institute

1、 Procurement background and demand analysis

Sichuan ElectricsomeAs a technical support unit for regional power grids, the institute undertakes core tasks such as performance evaluation of insulation materials for transmission and transformation equipment, and research and development of new electrical materials. With the advancement of the construction of ultra-high voltage power grids, the demand for testing parameters such as the voltage resistance and dielectric properties of insulation materials has significantly increased. This procurement focuses on three core equipment:

1. Volume surface resistivity testerBEST-380Used to evaluate the surface and internal resistance characteristics of insulation materials and prevent the risk of leakage breakdown.

2. Voltage breakdown testerBDJC-100KVSimulate voltage environment and test the insulation strength limit of materials.

3. Low frequency dielectric constant testerGDAT-SAnalyze the dielectric response characteristics of materials under power frequency electric fields.

The equipment needs to meet the requirementsGB/T 1409-2006, ASTM D149 and other standards are suitable for the testing requirements of XLPE insulated cables, composite insulators and other materials in the power industry.

2、 Technical parameters and functional highlights of the equipment

1. BEST-380 volume surface resistivity tester

lmeasurement range：10 ^ 4~10 ^ 18 Ω, supports four terminal method to eliminate contact resistance errors.

lcore functionalityAutomatically calculate volume resistivity（Equipped with a constant temperature control system to ensure test stability, the surface resistivity (ρ s) and ρ v are measured.

lApplication scenariosAging assessment of cable insulation layer and research and development of anti-static materials.

2. Voltage breakdown testerBDJC-100KV

lvoltage range：AC/DC 0-100KV， 精度 ±1%。

lsafety designThree level safety protection (overcurrent, overvoltage, grounding protection), equipped with discharge rods and alarm systems.

ltest modeSupports gradient boosting and withstand voltage testing, and can generate real-time breakdown curves.

3. GDAT-S low-frequency dielectric constant tester

lfrequency range：0.1Hz~1MHz， Adapt to the power frequency environment of the power system.

lmeasurement parameters: Dielectric constant（ε）、 Dielectric loss tangent (tan δ), supports three electrode method testing.

ldata managementBuilt in database for storing historical data, supportingExcel export.

3、 Procurement Plan and Implementation Plan

1. Equipment selection criteria

lmatching：The wide range design of BEST-380 meets the testing requirements for cable insulation materials; 100KV breakdown tester covers ultra-high voltage equipment testing standards; The low-frequency characteristics of GDAT-S are adapted to the actual working conditions of power systems.

lscalabilityAll three devices are reserved with communication interfaces to support future access to the laboratory intelligent management system.

2After sales service

lprovide1Annual free warranty, regular calibration service, and on-site training for technical personnel.

4、 Expected benefits

1. technical improvementThere is a gap in the field of high-frequency dielectric property testing of insulation materials in regional power grids.

2. efficiency optimizationAutomated testing process improves efficiency compared to traditional methodsMore than 50%.

3. risk prevention and controlBy predicting breakdown voltage, the failure rate of equipment operation can be reduced.

V. Summary

This procurement focuses on the cutting-edge testing needs of the power industry, and by introducing high-precision equipment from Beiguang Precision Instrument, it will significantly improvesomeElectric InstituteTechnical capability in the field of insulation material performance evaluation. The equipment selection strictly follows industry standards, the budget allocation is reasonable, the implementation plan is feasible, and it is expected to generate significant technical and economic benefits.