Kingsine Electric Automation Co.,Ltd.
Kingsine Electric Automation Co.,Ltd.
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KINGSINE KF86P Application Scenarios

Mar 28, 2025

Protection Relay Test Instrument is the core testing tool for secondary equipment in power systems, capable of performing full-functional verification of protection relay devices, automation equipment, and related power components. Below are the main product types and typical application scenarios that KINGSINE KF86P protection relay tester can test:


1. Core Testing Objects: Protection Relay Devices

  • Line Protection Devices
    Includes overcurrent protection, distance protection, pilot differential protection (e.g., fiber-optic differential, high-frequency protection), and auto-reclosing devices.
    Testing Scenarios: Simulate short-circuit faults, broken lines, power swings, etc., to verify tripping logic and time settings.

  • Transformer Protection Devices
    Differential protection (percentage restraint characteristic), over-excitation protection.
    Key Tests: Harmonic restraint characteristics, inrush current blocking function.

  • Generator/Motor Protection Devices
    Stator ground fault protection, rotor ground fault protection, loss-of-excitation protection, reverse power protection.
    Special Requirements: Must support low-frequency, high-frequency harmonics, and non-periodic component simulation.

  • Busbar Protection Devices
    Bus differential protection (current differential, composite ratio restraint), breaker failure protection.
    Key Tests: Multi-bay synchronous current injection and logic blocking verification.

  • Capacitor/Reactor Protection Devices
    Overvoltage/undervoltage protection, unbalanced current protection, harmonic overcurrent protection.



2. Automation Equipment & Intelligent Devices

  • Automatic Transfer Switch (ATS) Devices

    Verify main/backup power switching logic, blocking conditions, and operation time (e.g., incoming line transfer, bus coupler transfer).

  • Safety Automation Devices

    Underfrequency load shedding, undervoltage islanding, stability control systems (requires synchronized multi-unit testing).

  • Smart Substation Equipment
    Merging Unit (MU), Intelligent Electronic Device (IED), Phasor Measurement Unit (PMU) protocol conformance testing (IEC 61850) (requires GOOSE/SV message support).

  • Fault Recorders

    Simulate complex fault waveforms to verify recording file integrity and time accuracy.



3. Power Metering & Auxiliary Equipment

  • Energy Meters/Transducers
    Accuracy calibration (voltage, current, power factor), harmonic influence testing.

  • Phasor Measurement Units (PMUs)
    Dynamic signal simulation (frequency variation, phase jumps).

  • Low-Level Signal Sensors
    Simulate 4-20mA/0-5V signals for transducer testing.



4. Renewable Energy & Special Scenario Equipment

  • PV/Wind Power Protection Devices

    Low Voltage Ride-Through (LVRT), anti-islanding protection, frequency adaptability testing.

  • DC Protection Equipment

    DC line differential protection, pole busbar protection (requires DC component output support).




Core Advantages of the KF86P Protection Relay Test Set

  • Full Compatibility

    Supports 230+ test templates for major brands (Schneider, ABB, Siemens, etc.), with pre-configured test cases and one-click automated report generation.

  • High-Precision Output

    6-phase current (6×35A) + 1-phase high current (105A), load capacity up to 424VA, covering scenarios from low-voltage distribution to high-current renewable energy applications.

  • Smart Protocol Support

    Standard support for IEC 61850 (GOOSE/SV), Modbus, and other protocols, compatible with smart grids and digital substations.

  • Multi-Functional Expansion

    Optional features include low-level signal output, harmonic superposition (up to 50th order), transient waveform simulation (e.g., oscillatory waves), meeting R&D and advanced testing needs.


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