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Help CenterCustomized Lightning Arrester for Wind Turbine and Solar Farm Applications
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As a dedicated manufacturer with over a decade of experience in electrical protection, Jinhua Dika Electrical Equipment Co., Ltd. specializes in engineering Customized Lightning Arresters specifically for the demanding environments of wind farms and solar installations. Our products are designed to safeguard your critical renewable energy infrastructure from the devastating effects of lightning strikes and transient surges, ensuring maximum uptime and protecting your substantial investment. Operating under a strict ISO9001 quality management system, we combine rigorous manufacturing standards with deep application knowledge to deliver protection solutions that are not just components, but integral parts of your project's reliability strategy. With an annual export value reflecting our global reach, we understand the diverse climatic and electrical challenges faced by projects from North America to Southeast Asia.
Our customized lightning arresters are the frontline defense for renewable energy assets. Unlike generic off-the-shelf solutions, each unit is tailored considering the specific tower height, soil resistivity, local isokerannic level (lightning density), and the electrical characteristics of the protected equipment. This bespoke approach ensures optimal protection levels and system compatibility.
- Core Technology: At the heart of our arrester lies advanced zinc oxide (ZnO) varistor blocks. These blocks exhibit highly non-linear voltage-current characteristics, acting as an insulator under normal operating voltage and becoming a conductor within nanoseconds when a surge exceeds the threshold, safely channeling the massive current to ground.
- Robust Housing: The varistors are housed in a polymer sheath that offers exceptional resistance to UV radiation, salt spray, extreme temperatures, and mechanical stress. This is crucial for withstanding decades of exposure in coastal, desert, or high-altitude locations typical for renewable projects.
- Sealing and Pressure Relief: A critical feature is the hermetic sealing that prevents moisture ingress, a primary cause of failure. Additionally, a built-in pressure relief system safely vents gases in the extremely rare event of a catastrophic failure, preventing housing rupture.
The technical advantages translate into direct benefits for EPC contractors, farm owners, and O&M teams:
- Reduced Downtime & Revenue Loss: Preventing damage to turbines, inverters, transformers, and SCADA systems avoids costly repairs and lengthy production halts.
- Lower Insurance Premiums: A certified, customized protection system can often lead to more favorable insurance terms.
- Extended Asset Lifespan: By eliminating electrical stress from surges, the operational life of expensive power electronics is significantly prolonged.
- Simplified Compliance: Our designs help projects meet relevant regional and international lightning protection standards for infrastructure.
To specify the correct arrester, several key parameters must be considered. The following table outlines primary specifications that are customized for each order:
| Parameter | Description & Customization Options |
| Rated Voltage (Ur) | The maximum permissible RMS voltage between terminals. Customized for system voltage (e.g., 35kV, 69kV for collector lines, or lower for inverter protection). |
| Continuous Operating Voltage (Uc) | The RMS voltage that can be applied continuously. Tailored to match the steady-state operating conditions of the protected circuit. |
| Nominal Discharge Current (In) | The peak value of the current wave used for classification (e.g., 10kA, 20kA). Selected based on the lightning exposure level of the site. |
| Residual Voltage (Ures) | The voltage measured across the arrester during discharge. A lower value indicates better protection. Optimized to be below the withstand voltage of your equipment. |
| Pressure Relief Class | Indicates the short-circuit current withstand capability. Chosen according to the fault current level at the installation point. |
| Housing Material & IP Rating | Polymer composite; IP65 (dust-tight and protected against water jets) is standard, with higher ratings (IP68) available for submersible or harsh environments. |
Furthermore, we offer customization in mounting brackets, cable connection types (lug, clamp), the inclusion of discharge counters or remote monitoring taps, and specific creepage distances for highly polluted atmospheres. The configuration is always finalized in consultation with your engineering team.
Choosing Jinhua Dika means partnering with a manufacturer whose products protect assets across six continents, from the windswept plains of Northern Europe to the solar-drenched fields of Oceania. Our annual export volume of US$1-1.5 million is a testament to the trust placed in us by international clients in the renewable sector. Our strategic location in Zhejiang, China, with access to major ports like Shanghai, Ningbo, and Tianjin, ensures efficient and reliable logistics for both large project shipments and smaller orders. Backed by a team of 11-50 dedicated professionals, we provide not just a product, but comprehensive technical support from design through installation. Protect your renewable energy investment with a lightning arrester built for your specific challenge. Contact us today to discuss your project requirements and receive a customized proposal.
Frequently Asked Questions (FAQ)
Q1: Why do I need a customized arrester instead of a standard one for my wind/solar farm?
A: Renewable energy sites have unique characteristics—varying tower heights, soil conditions, local lightning frequency, and specific equipment voltage ratings. A customized arrester is engineered to provide the precise protection level needed for these variables, ensuring no over-protection (waste of cost) or under-protection (risk of failure). It integrates seamlessly with your system's design.
Q2: What information do you require to provide a customization quote?
A: To begin the design process, we typically need: the system nominal voltage and frequency, the short-circuit current level at the installation point, the specific equipment to be protected (e.g., wind turbine transformer, solar inverter), the geographical location of the site, and any preferred mounting or connection methods.
Q3: How is the service life of your polymer-housed arresters, especially in harsh environments?
A: Our arresters use high-quality, weather-resistant polymer housings designed for long-term outdoor exposure. With proper selection for the environmental conditions (e.g., UV-stabilized for high sun exposure), they can have a service life exceeding 25 years with virtually no maintenance required, aside from periodic visual inspections.
Q4: Can your arresters be integrated with remote monitoring systems?
A: Yes, this is a common customization. We can equip arresters with accessories like discharge counters that can be read manually or versions with remote signal contacts. These can be connected to your SCADA system to provide alerts on surge events, enabling proactive maintenance.
Q5: What are the lead times for customized orders?
A: Lead times depend on the complexity of the customization and order quantity. Standard custom configurations typically range from 4-8 weeks. We prioritize clear communication throughout the process to meet critical project timelines. Expedited production may be available upon request.
Q6: Do you provide installation guidance or support?
A: Absolutely. We provide detailed installation manuals, datasheets, and dimension drawings with each shipment. For large projects, technical consultation via email or video call is available to assist your installation team.
Q7: How do you ensure quality control for customized products?
A> Every production batch, including custom orders, follows our ISO9001 certified quality management procedures. This includes incoming material inspection, in-process testing of varistor characteristics, and final high-voltage tests (like residual voltage and leakage current tests) to ensure each unit meets its specified design parameters before shipment.
Q8: What are the main shipping ports and terms you work with?
A> We regularly ship from Shanghai, Tianjin, Guangzhou, and Ningbo ports. We are experienced in handling exports under standard international trade terms like FOB, CIF, or CFR, tailored to the buyer's preference and destination.
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