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JDZW-15 Voltage Transformer - Reliable 15kV Metering Solution from China Suppliers and Factory

The JDZW-15 voltage transformer is designed for AC power systems with a rated voltage of 15kV and a frequency of 50Hz or 60Hz. This high-performance transformer provides accurate power metering, voltage detection, and relay protection, making it an essential component for reliable electrical operations. Complying with industry standards GB20840.1-2010 and GB20840.3-2013, our product ensures quality and reliability. As a leading factory and supplier in China, we are committed to delivering top-notch voltage transformation solutions that meet your power management needs

    Model and its meaning

    JDZW-15.jpg

    Summarize

    In the transportation sector, particularly in railway and subway systems, voltage transformers (VTs) monitor the voltage of power supply systems. Ensuring safe operation in these environments is crucial, as any voltage anomalies can pose serious safety risks. VTs provide real-time monitoring, enabling operators to identify and resolve issues promptly. This application highlights the importance of VTs in maintaining the safety and reliability of critical transportation infrastructure, Ensuring a safe transportation system.

    As technology continues to advance, the importance of voltage transformers will only grow, making them a key focus for engineers and industry professionals. Understanding the role and function of voltage transformers is crucial for anyone working in the electrical engineering field, as these devices are fundamental to the stability and reliability of modern power grids.

    Normal Service Condition

    • 🏠 Installation place: Outdoor.
    • 🌡 Ambient temperature: Maximum temperature 40℃; minimum temperature -25℃; the average daily temperature does not exceed 30℃.
    • 🌿 Atmospheric conditions: The atmospheric environment must be kept clean and free of heavy pollution.

    Technical Parameter

    Product Number Rated Voltage Ratio (kV) Accuracy Rated Output (VA) Limit Output (VA) Rated Insulation Level (KV)
    JDZW-15 15/0.1/0.22 0.2/3P 15/50 200 17.5/55/105
    0.5/3P 30/50

    Structure and Characteristics

    Designed for outdoor and tropical use, this series of voltage transformers utilizes a pillar-type design and fully enclosed epoxy resin casting technology, effectively resisting contamination and humidity. Daily use requires no additional maintenance. The terminal box features a hole on the front and side that mates with the outlet terminals for wiring. The secondary outlet terminal provides secure wiring, while the grounding bolt and four mounting holes on the base facilitate installation.

    Frequently Asked Questions (FAQ)

    Q What is the JDZW-15 voltage transformer used for?
    A The JDZW-15 is an outdoor voltage transformer primarily used to monitor and measure voltage in power supply systems, especially in transportation infrastructure such as railway and subway networks. It helps operators detect voltage anomalies and maintain safe, reliable operation.
    Q What is the rated voltage ratio of the JDZW-15?
    A The JDZW-15 has a rated voltage ratio of 15/0.1/0.22 kV, making it suitable for medium-voltage outdoor power systems.
    Q What are the operating temperature limits for the JDZW-15?
    A The JDZW-15 is designed to operate in ambient temperatures ranging from a minimum of -25℃ to a maximum of 40℃, with an average daily temperature not exceeding 30℃.
    Q Does the JDZW-15 require regular maintenance?
    A No. Thanks to its fully enclosed epoxy resin casting technology, the JDZW-15 is designed to be maintenance-free under normal daily operating conditions, significantly reducing the cost and effort of upkeep.
    Q What accuracy classes are available for the JDZW-15?
    A The JDZW-15 is available in two accuracy classes: 0.2/3P with a rated output of 15/50 VA, and 0.5/3P with a rated output of 30/50 VA. Both configurations share a limit output of 200 VA.
    Q What environmental conditions must be met for proper installation of the JDZW-15?
    A The JDZW-15 must be installed outdoors in a clean atmospheric environment, free from heavy pollution. While it is designed to resist contamination and humidity through its epoxy resin enclosure, it should not be placed in severely polluted or chemically aggressive environments.