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2026-05-20
Precise Measurement of Transformer Turns Ratio Tester Coil Turns

In power systems, transformer ratio testing is an essential step, primarily used for: Factory and handover acceptance: Verifying whether the winding turns ratio of newly produced or installed transformers is accurate. Fault diagnosis: Determining whether the transformer has serious defects such as inter-turn short circuits, winding deformation, poor tap changer contact, or connection errors.

Company News
Transformer Ratio Tester Is a Professional Instrument for Measuring Power Transformer Winding Voltage Ratio
2026-05-13
Transformer Ratio Tester Is a Professional Instrument for Measuring Power Transformer Winding Voltage Ratio

Transformer Ratio测试仪的基本工作原理是通过施加一个已知的电压到变压器的一侧(通常是高压侧),然后测量另一侧(低压侧)的输出电压,从而计算出变压器的变比。其主要步骤如下...

Company News
The Role of High-Voltage Wireless Phase Detectors
2026-05-08
The Role of High-Voltage Wireless Phase Detectors

相位校验:验证两条或以上高压线路的相位是否一致,这对于并网操作尤为重要。 故障排查:辅助技术人员查找由于相位错配导致的电力系统故障。 施工验收:新建或改造电力线...

Company News
2026-05-07
Online Partial Discharge Tester (Full Name: Partial Discharge Online Monitoring Device)

In long-term operation of high-voltage electrical equipment, the insulation layer may develop partial discharge (PD) due to aging, moisture, impurities, and other factors. If not addressed promptly, these micro-discharges can gradually evolve into insulation breakdown, leading to serious power outages or even explosion accidents.

Company News
2026-05-06
Understanding Transformer Characteristic Test Benches, Switchgear Characteristic Testers, and Related Equipment

Loop Resistance Tester的核心任务,是精确测量高低压开关主触头、母线连接处等电气连接点的直流电阻值(通常为微欧μΩ级别)。 发现接触不良隐患: 开关设备在长期运行后,触头容易因氧化、磨损、松动或弹簧压力下降,导致接触电阻增大。电阻增大会引起局部过热,严重时甚至会烧毁设备。

Company News
2026-04-30
High-Voltage Wireless Phase Detectors Typically Consist of Two Signal Transmitters

Wireless Signal Acquisition and Comparison: The instrument typically consists of two signal transmitters (detectors / X, Y collectors) and one signal receiver (main unit). The transmitters contact or approach high-voltage live conductors via insulated poles, collect voltage phase signals, and convert them into wireless digital signals (e.g., 1.2 GHz, 433 MHz, etc.) for transmission.

Company News
High-Voltage Wireless Phase Detector: A Key Tool for Ensuring Power System Synchronization and Safety
2026-04-29
High-Voltage Wireless Phase Detector: A Key Tool for Ensuring Power System Synchronization and Safety

高压None线核相仪是一种用于检测高压电力系统中不同线路之间相位差的仪器。它利用None线技术实现远距离信号传输,None需物理接触即可完成相位比较,大大提高了操作的安全性和便捷...

Company News
The Importance of Insulation Resistance Testing
2026-04-27
The Importance of Insulation Resistance Testing

绝缘电阻测试主要用于评估电气设备内部及外部绝缘材料的质量。通过施加一个已知电压并测量流经绝缘体的微小电流,计算得出绝缘电阻值。该值反映了绝缘材料在特定条件下的性...

Company News
High-Voltage Wireless Phase Detectors Ensure Safe and Stable Power System Operation
2026-04-23
High-Voltage Wireless Phase Detectors Ensure Safe and Stable Power System Operation

随着电力需求的增长和技术的进步,电力系统的规模和复杂度不断增加。准确的核相操作对于确保电力系统的安全稳定运行至关重要。传统的核相方法往往需要直接接触高压线路,存...

Company News
2026-04-21
Insulation Resistance Testers Measure Tiny Leakage Current Flowing Through Insulators

Insulation Resistance Tester的工作原理基于欧姆定律(R=U/I)。 工作方式:仪器内部通过DC-DC变换电路,将电池的低压直流电转换为高压直流电(如500V、2500V、5000V等),施加在被测绝缘体上。

Company News
2026-04-20
Dielectric Loss Testers: Testing the Insulation Performance of High-Voltage Bushings

Dielectric Loss Tester主要用于发现绝缘材料的分布性缺陷(如整体受潮、老化),这是普通绝缘电阻表(摇表)难以做到的。 高压设备预防性试验:

Company News
2026-04-15
Loop Resistance Tester Test Current Must Not Be Less Than

难以发现缺陷:小电流难以发现回路导体截面积减少等缺陷。 因此,国家标准(如DL/T 845.4)规定,测量回路电阻时,测试电流不得小于100A。大电流可以有效击穿氧化膜,确保测量结果能真实反映导电回路的连接状况。

Company News
2026-04-14
Insulation Resistance Tester, Commonly Known as Megohmmeter or Megger

, the most commonly used test instrument for measuring the insulation resistance value of electrical equipment, circuits, or materials. In the complete testing system composed of the “DC Resistance Tester,” “Dielectric Loss Tester,” and “Test Transformer” that you inquired about previously, insulation resistance testing is typically the first step, serving as the “threshold” for determining whether equipment qualifies for subsequent high-voltage tests (such as withstand voltage testing).

Company News
2026-04-09
Online Partial Discharge Testing Is the Basis for Condition-Based Maintenance of Power Equipment

在线局放监测主要用于“防患于未然”,广泛应用于: GIS(气体绝缘全封闭组合电器):监测内部微粒、悬浮电位或绝缘子缺陷。 高压电缆及附件:检测电缆接头、终端头的绝缘老化或安装工艺缺陷。

Company News
2026-04-08
Online PD Testers Detect Electromagnetic Waves on Metal Enclosure Surfaces

变频抗干扰Dielectric Loss Tester是一种新型Dielectric Loss Tester。随着城乡电网改造的不断深入,更高电站越来越多,倒相法、移相法已不能满足现场测试需求,异频测量(变频),把50Hz变成其它频率,可以排除干扰,提高测量可靠性和准确性,完全抑制电场干扰,满足强电场下的使用要求。该仪器体积小、重量轻、便于携带,完全适合现场使用

Company News
Instrument Transformer Characteristic Tester: Overview and Applications
2026-04-07
Instrument Transformer Characteristic Tester: Overview and Applications

背景介绍:互感器(电流互感器CT和电压互感器PT)是电力系统中不可或缺的组成部分,用于将高电压或大电流转换为可测量的小电压或小电流。 测试仪的作用:互感器特性测...

Company News
2026-04-03
Loop Resistance Tester, Also Known as Contact Resistance Tester or Micro-ohmmeter

Loop Resistance Tester的核心任务是发现因触头氧化、连接螺栓松动、接触面腐蚀等原因导致的接触不良。 预防过热与故障:根据焦耳定律(Q=I²R),当回路电阻异常增大时,在大电流通过时会产生大量热量,导致局部过热。长期过热会加速设备老化

Company News
2026-04-02
Instrument Transformer Characteristic Tester, Also Called Instrument Transformer Comprehensive Tester

该仪器集成了多种测试功能于一体,能够对互感器的励磁特性、变比、极性等参数进行全面检测。 伏安特性(励磁特性)测试:这是最核心的功能。仪器自动升压或升流,测量并绘制出互感器的伏安特性曲线,并自动计算出拐点电压/电流值。该曲线是评估互感器饱和特性、进行继电保护计算的基础。

Company News
Portable Partial Discharge Detectors Are Used for Testing High-Voltage Electrical Equipment
2026-03-31
Portable Partial Discharge Detectors Are Used for Testing High-Voltage Electrical Equipment

随着电力系统容量的不断增加以及对电力设备可靠性的更高要求,局部放电(Partial Discharge, PD)检测已成为预防性维护的重要组成部分。便携式局放检...

Company News
Working Principle of Very-Low-Frequency High-Voltage Generators
2026-03-30
Working Principle of Very-Low-Frequency High-Voltage Generators

这样一些巨大的设备,不但笨重,造价高,而且使用十分不便。为了解决这一矛盾,采用了降低试验频率,从而降低了试验电源的容量。从国内外多年的理论和实践证明,0.1Hz...

Company News
Dielectric Loss Tester: Principles and Applications
2026-03-27
Dielectric Loss Tester: Principles and Applications

电力电缆:用于检测电缆的绝缘层是否有损坏或受潮情况。 变压器:评估变压器油纸绝缘的老化程度。 发电机:监测发电机内部绝缘系统的状况。

Company News
Loop Resistance Tester Commonly Known as Contact Resistance Tester or Micro-ohmmeter in the Power Industry
2026-03-26
Loop Resistance Tester Commonly Known as Contact Resistance Tester or Micro-ohmmeter in the Power Industry

核心测试原理:直流压降法 (四线制) 大电流注入:仪器内部输出一个恒定的大直流电流(通常为 100A、200A,高端机型可达 400A 或 600A)。 为什么...

Company News
Online Partial Discharge Tester Is an Instrument for Real-Time Monitoring of Electrical Equipment
2026-03-25
Online Partial Discharge Tester Is an Instrument for Real-Time Monitoring of Electrical Equipment

局部放电检测:实时监测电气设备内部的局部放电活动。 数据记录:内置存储器,可以保存大量的测试数据,便于后续分析。 报警功能:当局部放电活动超过预设阈值时,触发报...

Company News
Dielectric Loss Tester: A Key Tool for Evaluating Insulation Material Performance
2026-03-24
Dielectric Loss Tester: A Key Tool for Evaluating Insulation Material Performance

介电损耗(Dielectric Loss)是指当交流电压施加在绝缘材料上时,由于材料内部的电导效应和极化效应而产生的能量损耗。介电损耗通常用介质损耗因数(Dis...

Company News
The Loop Resistance Tester, also called Contact Resistance Tester or Micro-ohmmeter, is used in power systems for measuring high-voltage switchgear
2026-03-20
The Loop Resistance Tester, also called Contact Resistance Tester or Micro-ohmmeter, is used in power systems for measuring high-voltage switchgear

测试原理:采用直流压降法(四端子法)。仪器输出大直流电流(通常为100A、200A、400A甚至600A),同时测量被测物两端的电压降,根据欧姆定律 R=U/I...

Company News
The Loop Resistance Tester (also called Contact Resistance Tester or Micro-ohmmeter) is used in power systems for measuring high-voltage switch circuit breakers
2026-03-19
The Loop Resistance Tester (also called Contact Resistance Tester or Micro-ohmmeter) is used in power systems for measuring high-voltage switch circuit breakers

诊断“关节”健康:电气设备的触头(如断路器触点)如同人体的关节。如果接触电阻过大,在大电流通过时会产生异常高温,导致触头烧蚀、熔焊,甚至引发爆炸或火灾。 预防性...

Company News
High-Precision Measurement Capable of Accurately Measuring Dielectric Loss Factor and Capacitance Values
2026-03-16
High-Precision Measurement Capable of Accurately Measuring Dielectric Loss Factor and Capacitance Values

介电损耗因数(Dielectric Loss Factor)和电容值(Capacitance Value)是评价电气设备绝缘性能的重要参数。介电损耗因数(通常表...

Company News
The i9080 Ultrasonic Partial Discharge Detector Is a Specialized Instrument for Detecting
2026-03-12
The i9080 Ultrasonic Partial Discharge Detector Is a Specialized Instrument for Detecting

The Ultrasonic Partial Discharge Detector is a portable instrument specifically designed for detecting partial discharge phenomena in power equipment. Partial discharge occurs in the insulation system of power equipment when the applied voltage reaches a certain level, causing localized discharge in certain areas.

Company News
Features of High-Voltage Wireless Phase Detector
2026-03-10
Features of High-Voltage Wireless Phase Detector

高压None线核相仪的功能特点 None线传输:利用None线电波进行数据传输,避免了传统有线方式的局限性,使得操作更加灵活便捷。 高精度测量:能够提供精确的相位角测量,通常误差...

Company News
Online Partial Discharge Testers Are Used for Real-Time Monitoring of High-Voltage Electrical Equipment Such as Transformers, GIS, Cables, and Switchgear
2026-03-09
Online Partial Discharge Testers Are Used for Real-Time Monitoring of High-Voltage Electrical Equipment Such as Transformers, GIS, Cables, and Switchgear

提前发现绝缘缺陷,防止突发性故障。 结合2025-2026年的最新Industry Trends和技术趋势,以下是关于在线局放测试仪的深度解析: 1. 核心功能与工作原理 检测对象:...

Company News
Online Partial Discharge Tester: A Key Tool for Monitoring the Insulation Condition of Power Equipment
2026-03-06
Online Partial Discharge Tester: A Key Tool for Monitoring the Insulation Condition of Power Equipment

局部放电是指在高电压作用下,绝缘材料内部存在某些缺陷或杂质时,在未完全击穿的情况下发生的局部击穿现象。常见于高压电缆、变压器、开关柜、GIS组合电器等设备中。虽...

Company News
2026-03-05
The Dielectric Loss Tester Is a Key Testing Instrument in Power Systems for Evaluating the Insulation Performance of High-Voltage Electrical Equipment

to determine whether the equipment has defects such as moisture ingress, aging, cracking, or insulation degradation. The following is the core content organized based on the latest technical data: 1. Core Working Principle Basic Physical Concept: Under AC voltage, in an ideal insulator (pure capacitance), the current leads the voltage by 90°, consuming no active power. However, actual insulators, due to impurities, moisture, or aging, generate leakage current (resistive component)

Company News
Verifying Transformer Connection Group After Maintenance
2026-03-04
Verifying Transformer Connection Group After Maintenance

实际成交价受配置(如绝缘杆长度、是否含校准证书)及采购数量影响较大。 2. 2026年技术新趋势 根据最新的产品资料,当前的高压None线核相仪在技术上主要有以下升级...

Company News
The Loop Resistance Tester, Also Called Contact Resistance Tester, Is Used in Power Systems for Measuring High-Voltage Switches
2026-03-02
The Loop Resistance Tester, Also Called Contact Resistance Tester, Is Used in Power Systems for Measuring High-Voltage Switches

以下是关于Loop Resistance Tester的详细指南: 1. 核心工作原理与技术标准 测量原理:采用四端子法(开尔文电桥法),即电流端(C1, C2)和电压端(P1, P2)分开...

Company News
High-Voltage Wireless Phase Detectors Are Used in Power Systems for Detecting Whether Two Power Sources or Lines
2026-02-27
High-Voltage Wireless Phase Detectors Are Used in Power Systems for Detecting Whether Two Power Sources or Lines

1. 核心功能与工作原理 非接触式测量:通过绝缘杆前端的采集器(发射器)感应高压电场信号,None需直接电气连接,保障操作人员安全。 None线传输:采集器将相位、频率、电...

Company News
Insulation Resistance Tester, Commonly Known as Megger or Megohmmeter, Is Used for Measuring Insulation of Electrical Equipment, Cables, and Motors
2026-02-27
Insulation Resistance Tester, Commonly Known as Megger or Megohmmeter, Is Used for Measuring Insulation of Electrical Equipment, Cables, and Motors

核心功能与作用 绝缘性能评估:通过施加高压直流电(如500V, 1000V, 2500V, 5000V等),测量绝缘材料的电阻值(通常以MΩ或GΩ为单位)。 故...

Company News
2026-02-26
Loop Resistance Tester Commonly Known as Contact Resistance Tester

Technical content regarding power testing equipment. [Article 38]

Company News
Dielectric Loss Tester, Also Called Tan Delta Tester or High-Voltage Dielectric Loss Tester
2026-02-25
Dielectric Loss Tester, Also Called Tan Delta Tester or High-Voltage Dielectric Loss Tester

变频抗干扰Dielectric Loss Tester是一种新型Dielectric Loss Tester。随着城乡电网改造的不断深入,更高电站越来越多,倒相法、移相法已不能满足现场测试需求,异频测量(变频),把50H...

Company News
Signal Acquisition: Obtaining Electrical Signals from the Power Line Under Test via Sensors
2025-05-13
Signal Acquisition: Obtaining Electrical Signals from the Power Line Under Test via Sensors

核相作业:确定两个不同位置的电力线(如输电线路、变电站等)之间是否处于相同相位,以避免因相位不一致导致的电气事故。 电压等级检测:测量和验证不同电力线路上的电压...

Company News
High-Voltage Wireless Phase Detector: A Key Tool for Ensuring Synchronized Power System Operation
2025-05-09
High-Voltage Wireless Phase Detector: A Key Tool for Ensuring Synchronized Power System Operation

(一)信号采集 发射端:在待测的高压线路上安装传感器(通常为钳形电流互感器),这些传感器能够感应到高压电线中的电流变化,并将其转换为电信号。 编码与发送:将感应...

Company News
High-Voltage Wireless Phase Detector: A Key Tool for Ensuring Synchronized Power System Operation
2025-05-06
High-Voltage Wireless Phase Detector: A Key Tool for Ensuring Synchronized Power System Operation

一、高压None线核相仪的工作原理 高压None线核相仪主要通过None线电波传输技术实现对高压线路相位信息的采集与分析。其工作流程大致如下:

Company News
Loop Resistance Tester Is a Specialized Instrument for Measuring Electrical Equipment
2025-04-25
Loop Resistance Tester Is a Specialized Instrument for Measuring Electrical Equipment

检测接触电阻:主要用于检测断路器、隔离开关、母线接头等高压电器设备的接触电阻,确保其处于安全范围内。 评估连接质量:通过测量回路电阻值来评估电气连接的质量,及时...

Company News
Introduction to Loop Resistance Tester
2025-04-24
Introduction to Loop Resistance Tester

Loop Resistance Tester通过向待测电路施加一个已知大小的直流电流,并同时测量流经该电路的电压降来计算电阻值。根据欧姆定律   ,可以得出被测电路的电阻。这种方法能够提供精...

Company News
Loop Resistance Tester (Also Called Contact Resistance Tester)
2025-04-18
Loop Resistance Tester (Also Called Contact Resistance Tester)

高精度测量:采用先进的测量技术,能够实现对低至微欧级电阻的精确测量。 大电流输出:为了获得更准确的测量结果,一些高端型号的Loop Resistance Tester能够输出高达数百安培的大...

Company News
Insulation Resistance Tester (Also Called Megohmmeter or Megger)
2025-04-17
Insulation Resistance Tester (Also Called Megohmmeter or Megger)

Insulation Resistance Tester通过向被测对象施加一个已知的直流电压,并测量流过的泄漏电流来计算绝缘电阻值。根据欧姆定律(R=V/I),可以得出绝缘材料对地或其他导体之间的电阻值...

Company News
The Loop Resistance Tester Is a Specialized Instrument for Measuring Contact Resistance in Electrical Equipment and Circuits Company News
Loop Resistance Tester Can Provide Very Accurate Resistance Measurement Results
2025-03-12
Loop Resistance Tester Can Provide Very Accurate Resistance Measurement Results

高精度测量:Loop Resistance Tester能够提供非常精确的电阻测量结果,通常分辨率可以达到微欧姆(μΩ)级别,这对于检测细微的变化至关重要。 大电流输出:为了克服接触电阻和引...

Company News
The Transformer Ratio Tester Is a Specialized Instrument for Measuring Transformer Voltage Ratio
2025-03-10
The Transformer Ratio Tester Is a Specialized Instrument for Measuring Transformer Voltage Ratio

精确测量:能够提供高精度的变比测量结果,误差通常在很小的范围内,确保了测量数据的可靠性。 自动识别绕组配置:一些先进的Transformer Ratio测试仪可以自动识别被测变压器的接...

Company News
Loop Resistance Tester: A Key Tool for Ensuring Electrical Connection Reliability
2025-03-05
Loop Resistance Tester: A Key Tool for Ensuring Electrical Connection Reliability

Loop Resistance Tester是一种专门用于测量电气连接点之间接触电阻的仪器。通过施加一个已知的直流电流,并测量由此产生的电压降,计算出两点之间的电阻值。高质量的Loop Resistance Tester...

Company News
Transformer Ratio Tester: A Key Tool for Ensuring Stable Power System Operation
2025-03-03
Transformer Ratio Tester: A Key Tool for Ensuring Stable Power System Operation

一、什么是Transformer Ratio测试仪? Transformer Ratio测试仪是一种专门用于测量变压器各绕组之间的电压比的专业设备。通过精确测量变压器的变比,可以验证其是否符合设计规范,并检查...

Company News
Busbar and Cable Joint Testing, Circuit Breaker and Switchgear Detection
2025-02-28
Busbar and Cable Joint Testing, Circuit Breaker and Switchgear Detection

断路器和开关设备检测:用于测量高压断路器和隔离开关触点间的接触电阻,以确保其在高电流负载下能够正常工作。 母线和电缆接头测试:检查母线连接点和电缆接头处的电阻值...

Company News
Dielectric Loss Tester: Principles, Applications, and Technical Advances
2025-02-26
Dielectric Loss Tester: Principles, Applications, and Technical Advances

施加电压:对被测样品施加一个已知频率(通常为50Hz或60Hz)的交流电压。 测量电流:记录通过样品的总电流,包括容性成分和电阻性成分。 计算介质损耗角正切(t...

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The High-Voltage Wireless Phase Detector Is a Specialized Instrument for Detecting Whether Voltage Phases Are Consistent at Different Locations in Power Systems
2025-02-12
The High-Voltage Wireless Phase Detector Is a Specialized Instrument for Detecting Whether Voltage Phases Are Consistent at Different Locations in Power Systems

新建电力线路投运前检查:确保新铺设的电缆或架空线与现有电网的相序正确匹配。 电力系统维护和检修:在对电力设施进行维护或检修后,使用高压None线核相仪验证修复后的线路...

Company News
Loop Resistance Tester: A Key Tool for Ensuring Safe and Reliable Electrical Connections
2024-12-17
Loop Resistance Tester: A Key Tool for Ensuring Safe and Reliable Electrical Connections

Loop Resistance Tester主要用于测量导体之间的接触电阻或低电阻路径上的电阻。其基本原理是通过向被测电路施加一个已知的直流电流,并测量由此产生的电压降来计算电阻值。根据欧姆...

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Dielectric Loss Tester (Abbreviated as DDF Tester)
2024-12-10
Dielectric Loss Tester (Abbreviated as DDF Tester)

Dielectric Loss Tester通过向被测对象施加一定频率的交流电压,并测量由此产生的电流相位差来计算介质损耗角正切值(tanδ)。具体来说,当交流电压施加于绝缘材料时,由于材料...

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Definition: Explaining What Dielectric Loss Is
2024-12-05
Definition: Explaining What Dielectric Loss Is

关键参数:列出常见的Dielectric Loss Tester的技术参数,如频率范围、电压等级、测量精度、分辨率、温度补偿能力等。 性能特点:讨论这些参数对测试结果的影响,帮助用户选择适合...

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The Transformer Ratio Tester Is Used for Measuring the Voltage Ratio Between the Primary and Secondary Sides of Transformers
2024-11-28
The Transformer Ratio Tester Is Used for Measuring the Voltage Ratio Between the Primary and Secondary Sides of Transformers

基本概念:Transformer Ratio测试仪通过向变压器的一次侧施加一个已知电压,并测量二次侧产生的电压,从而计算出变比。变比是变压器一次侧电压与二次侧电压的比例关系。 测量方法...

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Overview of WZ-Type High-Voltage Wireless Phase Detector: Definition and Functions
2024-11-01
Overview of WZ-Type High-Voltage Wireless Phase Detector: Definition and Functions

在电力系统和工业生产中,电气设备的相位一致性直接影响到系统的安全性和可靠性。使用高压None线核相仪WZ型进行定期检测,可以及时发现相位错误,预防因相位不一致导致的电...

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If You Want to Write an Article About Dielectric Loss Testers, You Can Start from the Following Aspects
2024-10-28
If You Want to Write an Article About Dielectric Loss Testers, You Can Start from the Following Aspects

简要介绍介质损耗的概念及其重要性。 解释为什么需要对介质损耗进行测量。 原理与技术 描述介质损耗测试的基本原理。

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Transformer Ratio Tester: Principles, Applications, and Development Trends
2024-10-14
Transformer Ratio Tester: Principles, Applications, and Development Trends

Transformer Ratio测试仪的工作原理基于变压器的基本特性——电压与匝数成正比。当一个已知电压施加在变压器的一侧时,另一侧的电压与施加电压的比例即为变压器的变比。测试仪通过...

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The High-Voltage Wireless Phase Detector Is a Device Used for Phase Detection in Power Systems
2024-09-12
The High-Voltage Wireless Phase Detector Is a Device Used for Phase Detection in Power Systems

高压None线核相仪的特点 非接触式测量:None需直接接触带电导体即可进行相位检测,这大大提高了操作人员的安全性。 远程操作:操作者可以远离高压区域进行核相作业,减少...

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Equipment for Ground Faults and Other Electrical Faults
2024-09-03
Equipment for Ground Faults and Other Electrical Faults

时域反射计(TDR):通过向电缆发送脉冲信号,并测量反射回来的信号来确定故障点的位置。这种方法特别适用于检测开路、短路以及阻抗变化等问题。 音频信号发生器与探...

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High-Voltage Cable Withstand Voltage Testing: Checking Cable Insulation Performance
2024-08-30
High-Voltage Cable Withstand Voltage Testing: Checking Cable Insulation Performance

高压电缆耐压试验的主要目的是检查电缆的绝缘性能,确保电缆在承受正常工作电压的同时,还能承受一定的过电压而不发生击穿。这有助于预防因绝缘损坏导致的短路事故,保障电...

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Instrument Transformer Partial Discharge Detection Device: A Key Tool for Ensuring Power System Safety
2024-08-29
Instrument Transformer Partial Discharge Detection Device: A Key Tool for Ensuring Power System Safety

2. 局部放电的危害 局部放电不仅会逐渐削弱互感器绝缘材料的性能,还可能导致互感器的过早失效。例如,在电流互感器和电压互感器中,局部放电可能会引起绝缘层的劣化...

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The High-Voltage Wireless Phase Detector Is a Specialized Instrument for Detecting Phase Relationships in High-Voltage Transmission Lines
2024-08-28
The High-Voltage Wireless Phase Detector Is a Specialized Instrument for Detecting Phase Relationships in High-Voltage Transmission Lines

The High-Voltage Wireless Phase Tester is a specialized instrument for detecting phase relationships in high-voltage transmission lines. It can measure phase differences between lines through wireless transmission technology without directly contacting high-voltage lines, ensuring the safe and stable operation of power systems.

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Transformer Ratio Testing Strategies for Improving Power System Reliability
2024-08-27
Transformer Ratio Testing Strategies for Improving Power System Reliability

变压器是电力系统的核心组成部分,用于改变交流电的电压等级,以适应不同用途的需要。Transformer Ratio是指变压器高压侧和低压侧电压的比值,这是衡量变压器性能的一个重要指标。...

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Instrument Transformer Characteristic Tester: The Cornerstone of Power Metering and Protection
2024-08-23
Instrument Transformer Characteristic Tester: The Cornerstone of Power Metering and Protection

Background Introduction: The role and importance of instrument transformers in power systems. Role of Instrument Transformer Characteristic Tester: Briefly describe the important position of the Instrument Transformer Characteristic Tester in power systems.

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The Transformer DC Resistance Tester Is a Specialized Instrument for Measuring Transformer DC Resistance
2024-08-22
The Transformer DC Resistance Tester Is a Specialized Instrument for Measuring Transformer DC Resistance

介绍变压器DC Resistance Tester的重要性及其在电力系统中的应用背景。 简述其对电力设施维护和安全运行的意义。 二、基本概念 定义:解释变压器DC Resistance Tester是什么。...

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Three-Channel Partial Discharge Tester: Principles, Usage, and Applications
2024-08-21
Three-Channel Partial Discharge Tester: Principles, Usage, and Applications

三通道Partial Discharge Tester是一种用于检测和测量电力设备内部局部放电活动的专业仪器。它能够在不中断设备运行的情况下,对电力设备的绝缘状况进行评估,有助于早期发现潜在的绝...

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Loop Resistance Tester: A Key Tool for Ensuring Contact Reliability in Power Systems
2024-08-20
Loop Resistance Tester: A Key Tool for Ensuring Contact Reliability in Power Systems

背景介绍:简要介绍Loop Resistance Tester的应用背景及其在电力系统中的重要性。 重要性:强调Loop Resistance Tester在电力系统测试中的作用,特别是对于提高测试效率和可靠性方面的重...

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Cable Fault Tester: A Powerful Fault Diagnosis Tool in Power Systems
2024-08-16
Cable Fault Tester: A Powerful Fault Diagnosis Tool in Power Systems

高精度定位:能够精确地定位电缆中的故障点。 多功能检测:适用于不同类型电缆的故障检测,包括电力电缆、通信电缆等。 智能化分析:内置智能分析软件,能够自动识别...

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The vjuk Partial Discharge Tester Is Used for Detecting Partial Discharge in High-Voltage Electrical Equipment
2024-08-15
The vjuk Partial Discharge Tester Is Used for Detecting Partial Discharge in High-Voltage Electrical Equipment

随着电力系统规模不断扩大,保障电力设施的稳定运行变得尤为重要。局部放电(PD)作为一种常见的现象,可能会导致高压电气设备的绝缘系统出现早期故障。因此,局放测试仪...

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Overview of Transformer DC Resistance Tester
2024-08-13
Overview of Transformer DC Resistance Tester

变压器DC Resistance Tester是一种用于测量变压器绕组直流电阻的专业仪器。这种测试是变压器制造、安装、交接试验以及定期预防性试验中的必要项目之一,能够帮助发现线圈材料、焊...

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Instrument Transformer Partial Discharge Detection Device
2024-08-08
Instrument Transformer Partial Discharge Detection Device

互感器作为电力系统中不可或缺的一部分,它们的可靠性和稳定性直接影响着整个电力系统的安全运行。局部放电是互感器中常见的绝缘缺陷之一,可能导致严重的设备故障。因此,...

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Working Principle of the 119ep1054 Ultrasonic Partial Discharge Detector
2024-08-06
Working Principle of the 119ep1054 Ultrasonic Partial Discharge Detector

准备阶段:选择合适的检测设备并确保其正常工作。 现场设置:根据检测目标进行现场布置,如关闭None关电源等。 数据采集:使用检测仪进行扫描,并记录下超声波信号。 ...

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Working Principle of the Daoqin MP4 Partial Discharge Tester
2024-08-05
Working Principle of the Daoqin MP4 Partial Discharge Tester

早期预警:局部放电测试能够及时发现绝缘材料中的微小缺陷,有助于预防潜在的严重故障。 维护计划:通过定期测试收集的数据,可以制定更加合理的维护计划,减少非计划停...

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2020-08-23
Dielectric Loss Tester Tutorial - Yangzhou Darui

变频抗干扰Dielectric Loss Tester是一种新型Dielectric Loss Tester。随着城乡电网改造的不断深入,更高电站越来越多,倒相法、移相法已不能满足现场测试需求,异频测量(变频),把50Hz变成其它频率,可以排除干扰,提高测量可靠性和准确性,完全抑制电场干扰,满足强电场下的使用要求。该仪器体积小、重量轻、便于携带,完全适合现场使用

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2020-08-23
Frequency Setting Methods for Dielectric Loss Testers - Yangzhou Darui

变频抗干扰Dielectric Loss Tester是一种新型Dielectric Loss Tester。随着城乡电网改造的不断深入,更高电站越来越多,倒相法、移相法已不能满足现场测试需求,异频测量(变频),把50Hz变成其它频率,可以排除干扰,提高测量可靠性和准确性,完全抑制电场干扰,满足强电场下的使用要求。该仪器体积小、重量轻、便于携带,完全适合现场使用

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2020-08-23
What Functions Does a Dielectric Loss Tester Have? What Precautions Should Be Taken When Using It? - Yangzhou Darui

变频抗干扰Dielectric Loss Tester是一种新型Dielectric Loss Tester。随着城乡电网改造的不断深入,更高电站越来越多,倒相法、移相法已不能满足现场测试需求,异频测量(变频),把50Hz变成其它频率,可以排除干扰,提高测量可靠性和准确性,完全抑制电场干扰,满足强电场下的使用要求。该仪器体积小、重量轻、便于携带,完全适合现场使用

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2020-08-23
Safety Protection Features of Intelligent Dielectric Loss Testers Ensure Personnel Safety - Yangzhou Darui

变频抗干扰Dielectric Loss Tester是一种新型Dielectric Loss Tester。随着城乡电网改造的不断深入,更高电站越来越多,倒相法、移相法已不能满足现场测试需求,异频测量(变频),把50Hz变成其它频率,可以排除干扰,提高测量可靠性和准确性,完全抑制电场干扰,满足强电场下的使用要求。该仪器体积小、重量轻、便于携带,完全适合现场使用

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Precautions for Wireless High-Voltage Phase Detectors
2020-08-18
Precautions for Wireless High-Voltage Phase Detectors

变频抗干扰Dielectric Loss Tester是一种新型Dielectric Loss Tester。随着城乡电网改造的不断深入,更高电站越来越多,倒相法、移相法已不能满足现场测试需求,异频测量(变频),把50H...

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2020-08-18
Transformer Winding Deformation Tester Manufacturers

Post-Accident Diagnosis: After a transformer experiences an external short circuit, nearby short circuit, or multiple overcurrent operations, winding deformation testing must be performed immediately to determine whether internal damage has occurred. New Equipment Handover Acceptance: Before new transformers are put into operation or after transportation, conduct tests and compare with factory data to check for winding deformation caused by impacts during transport. Periodic Preventive Testing:

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Yangzhou DARUI Electric Co., Ltd.
Main Products: Dielectric Loss Tester, Transformer Ratio Tester, Loop Resistance Tester, HV Wireless Phase Detector, Insulation Resistance Tester, Partial Discharge Tester, Cable Fault Tester, DC Resistance Tester, etc.
☎ Tel: 18952707000 (Manager Guan)📞 Landline: 0514-88770377✉ Email: 195214804@qq.com
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