Contact Us
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Tel: +8618822802390
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E-mail: admin@gvda-instrument.com
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WhatsApp: 8618822802390
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Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
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16
Sep
2025
Advantages and Limitations of Clamp Meters
Advantages and Limitations of Clamp Meters As an electrical measuring tool, the clamp ammeter has the following advantages: Non contact measurement: A clamp ammeter can measure cur
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16
Sep
2025
Principles of Current Measurement with Clamp Meters and Current Clamps
Principles of Current Measurement with Clamp Meters and Current Clamps In daily work, for most engineers, multimeters are used to measure electrical signals such as voltage, low cu
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16
Sep
2025
Measuring Three-Phase Current with a Clamp Meter: Step-by-Step Guide
Measuring Three-Phase Current with a Clamp Meter: Step-by-Step Guide 1. Firstly, select the voltage level of the clamp type ammeter correctly, check whether its external insulation
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16
Sep
2025
The Five Major Classifications of Switching DC Power Supplies
The Five Major Classifications of Switching DC Power Supplies (1) Communication DC power supply Communication DC power supply is essentially a DC/DC converter type DC power supply,
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16
Sep
2025
Restoring Over-Discharged UPS Batteries Using an Adjustable DC Power Supply
Restoring Over-Discharged UPS Batteries Using an Adjustable DC Power Supply Fault phenomenon: A SANTAK 500 UPS power supply was damaged due to an unexpected power outage and unatte
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16
Sep
2025
Output Response Speed of System DC Power Supplies
Output Response Speed of System DC Power Supplies Many devices use multiple different DC bias voltages for testing to ensure correct performance within the specified operating rang
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16
Sep
2025
Online Maintenance and Management of UPS and DC Power Supplies
Online Maintenance and Management of UPS and DC Power Supplies 1. Main control station (backend). Composed of monitoring stations, engineering maintenance stations, system interfac
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16
Sep
2025
Do You Know the Key Characteristics of DC Power Supplies?
Do You Know the Key Characteristics of DC Power Supplies? 1. Specification range: Output voltage 0-700V, output current 0-500A, output power 0-6KW, optional 2. Constant voltage and
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16
Sep
2025
Measurement of Telephone-Weighted Noise Voltage in DC Power Supply Noise Voltage
Measurement of Telephone-Weighted Noise Voltage in DC Power Supply Noise Voltage (1) Definition of Telephone Balance Noise Voltage The noise voltage value measured by the AC compon
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16
Sep
2025
What Functions Does a DC Power Supply System Comprehensive Tester Have?
What Functions Does a DC Power Supply System Comprehensive Tester Have? ◆ Comprehensive testing function: Comprehensive testing displays the measurement of DC current, DC voltage,
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15
Sep
2025
Principles and Characteristics of Switching Power Supply Protection Circuits
Principles and Characteristics of Switching Power Supply Protection Circuits With the development of science and technology, the relationship between power electronic equipment and
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15
Sep
2025
Two Coupling Modes of Interference in Switching Power Supplies
Two Coupling Modes of Interference in Switching Power Supplies There are two ways of interference coupling in switch mode power supplies: conduction coupling and radiation coupling
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15
Sep
2025
The Impact of Switching Power Supplies on Operational Amplifiers
The Impact of Switching Power Supplies on Operational Amplifiers Before entering the ADC chip, analog signals generally require signal conditioning using operational amplifiers to
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15
Sep
2025
Elaboration on External Interference in Switching Power Supplies
Elaboration on External Interference in Switching Power Supplies External interference in switch mode power supplies can exist in a "common mode" or "differential mo
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15
Sep
2025
Switching Power Supply Technology: Key Development Trends
Switching Power Supply Technology: Key Development Trends The development direction of switching power supplies is high frequency, high reliability, low power consumption, low nois
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15
Sep
2025
Advanced Methods for Noise Suppression in Switching Power Supplies
Advanced Methods for Noise Suppression in Switching Power Supplies The three elements that form electromagnetic interference are the interference source, propagation path, and dist
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15
Sep
2025
Analysis of Electromagnetic Interference Sources and Mechanisms in Switching ...
Analysis of Electromagnetic Interference Sources and Mechanisms in Switching Power Supplies (1) The high-frequency switching current loop composed of the primary L1 of the high-fre
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15
Sep
2025
Working Principle of Switching Transistors in Switching Power Supplies: A Sys...
Working Principle of Switching Transistors in Switching Power Supplies: A Systematic Analysis Strictly speaking, the process of switching a transistor from conduction to cutoff is
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15
Sep
2025
Research on Subharmonic Oscillation in Peak Current Mode of Switching Power S...
Research on Subharmonic Oscillation in Peak Current Mode of Switching Power Supplies DC-DC switching power supplies have been widely used in the fields of electronics, electrical e
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15
Sep
2025
Applications of New - Type Switching Power Supplies
Applications of New - Type Switching Power Supplies Since the beginning of the 21st century, with the continuous development of power electronics technology, high-frequency switchi
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