owering Precision: The ZXJB Single-Phase Relay Protection Test System as an Integrated Field Solution

Field testing and calibration of protective relays demand versatile, accurate, and portable instrumentation. Traditional setups often require multiple cumbersome devices – separate current injectors, voltage sources, and timing equipment – leading to complex wiring, setup time, and logistical challenges. The ZXJB Single-Phase Relay Protection Comprehensive Test System addresses these limitations by integrating high-power AC/DC sources and precision measurement into a single, field-optimized unit.

Core Capabilities & Differentiation:
The ZXJB distinguishes itself through its integrated high-power sourcing capability. Unlike many test sets limited to low-current auxiliary voltages or specialized outputs, the ZXJB incorporates a robust, digitally controlled power platform capable of generating substantial AC/DC currents and voltages essential for primary relay testing:

1.High-Current AC: 0-100A (±0.5%, 1000W), 0-20A (±0.5%, 700W), 0-5A (±0.5%, 40W)

2.High-Current DC: 0-20A (±0.5%, 500W)

3.High-Voltage AC: 0-250V (±0.5%, 1000W)

4.High-Voltage DC: 0-320V (±0.5%, 1000W)

5.Fixed DC Voltage Outputs: 24V/1A, 48V/1A, 110V/1A, 220V/1A – invaluable for powering relay coils, contact circuits, or simulating station battery voltages independently.

This internal power integration eliminates the frequent need for external amplifiers or separate heavy power supplies typically required to test electromechanical or older solid-state relays demanding high burden levels. The ZXJB effectively consolidates the functionality of a variable current source, variable voltage source, fixed DC supply, and precision timer.

Operational Advantages:
Beyond raw power, the ZXJB prioritizes usability in demanding field environments:

1.Simplified Operation: A logically designed control panel and clear digital displays provide intuitive operation and immediate parameter visibility, minimizing setup errors and training time.

2.Comprehensive Relay Coverage: Designed to test common relay types including Current, Voltage, Reclosing, Auxiliary (Intermediate), and Differential relays.

3.Precision Timing: Integrated high-resolution millisecond timer (0-9.99999s, resolution 0.1ms) allows accurate measurement of relay operating, resetting, and sequence times.

4.Portability: Engineered for field use with a compact, lightweight structure (specific weight not provided, but implied by design focus) for easy transport between substations or workbenches.

ZXJB vs. Conventional Field Test Approaches:

Technical Specifications Summary:

1.Output Accuracy: ±0.5% for all variable AC/DC Current and Voltage outputs.

2.Power Capacity: Up to 1000W on key outputs (100A AC, 250V AC, 320V DC), ensuring ability to drive relay burdens.

3.Timing: 0-9.99999s range, 0.1ms resolution.

4.Power Supply: AC 220V ±5%, 50Hz ±5%.
The ZXJB Single-Phase Relay Protection Comprehensive Test System represents a significant step forward in field testing instrumentation. By integrating high-accuracy, high-power AC and DC sources, essential fixed DC outputs, and precision timing within a single portable chassis, it offers a compelling alternative to traditional multi-unit test setups. This consolidation directly translates to tangible benefits for protection technicians: reduced equipment burden, faster setup times, simplified operation, and enhanced reliability during critical commissioning and maintenance tasks. Its robust output capabilities, particularly the 100A AC and 1000W ratings, ensure it can handle the demanding requirements of a wide range of common protective relays encountered in utility and industrial power systems. For technicians seeking efficiency and versatility without sacrificing performance, the ZXJB provides a powerful, integrated solution.

GDZX is a manufacturer of power detection equipment, offering a diverse range of products with comprehensive models and providing professional technical support. Contact us at +86-27-6552607 or +86-17396104357.Website: http://en.gdzxdl.com/