Follow Us:

    Electrical & Fundamentals

    • Home
    • Electrical & Fundamentals
    Electrical & Fundamentals

    Latest in Electrical & Fundamentals

    Bypass Diode Derating: When 1.25x Isc Is Not Enough
    11 Nov

    Bypass Diode Derating: When 1.25x Isc Is Not Enough

    IEC 61215 tests a bypass diode at 1.25x Isc. On bifacial modules over snow or a ···

    Read More
    Three Kinds of PID in Solar Modules: Fingerprints and Causes
    10 Nov

    Three Kinds of PID in Solar Modules: Fingerprints and Causes

    PID is three failures: shunting, polarization and corrosion. How the curve separ···

    Read More
    PV DC Cable Types: H1Z2Z2-K, IEC 62930 and PV1-F
    31 Oct

    PV DC Cable Types: H1Z2Z2-K, IEC 62930 and PV1-F

    Three names, three systems. What H1Z2Z2-K, IEC 62930 and PV1-F actually prove, w···

    Read More
    MC4 or MC4-Compatible? What the Connector Name Means
    30 Oct

    MC4 or MC4-Compatible? What the Connector Name Means

    MC4 is a trademark, not a connector type. What a compatibility claim does and do···

    Read More
    Hot Spots, Microcracks and PID: Three Slow Module Failures
    27 Oct

    Hot Spots, Microcracks and PID: Three Slow Module Failures

    Hot spots, microcracks and PID cause most gradual module power loss. What each o···

    Read More
    IEC TS 62915: What a Module Change Forces You to Retest
    17 Oct

    IEC TS 62915: What a Module Change Forces You to Retest

    A change to a certified module does not void the certificate, but it is not free···

    Read More
    How PV Standards Relate: IEC, UL, GB/T, Industry, Group
    16 Oct

    How PV Standards Relate: IEC, UL, GB/T, Industry, Group

    Standards, certification and market access are three different things. How IEC, ···

    Read More
    IEC 61215 vs IEC 61730: What Each One Actually Proves
    15 Oct

    IEC 61215 vs IEC 61730: What Each One Actually Proves

    IEC 61215 qualifies performance and reliability; IEC 61730 qualifies safety. Wha···

    Read More
    MC4 vs MC4-Evo 2: Ratings, Mixing Rules and Line Impact
    14 Oct

    MC4 vs MC4-Evo 2: Ratings, Mixing Rules and Line Impact

    MC4 and MC4-Evo 2 share the mating interface but not the ratings. What changed, ···

    Read More
    Does Shading Always Cause Hot Spots? Reverse Bias Explained
    13 Oct

    Does Shading Always Cause Hot Spots? Reverse Bias Explained

    Shading raises hot-spot risk but does not create it alone: how current mismatch ···

    Read More
    PV Module Reliability Tests: The Full List, What Each One Breaks, and What You Can Run In-House
    27 Sep

    PV Module Reliability Tests: The Full List, What Each One Breaks, and What You Can Run In-House

    Every IEC 61215 and extended PV module reliability test, what each one breaks, a···

    Read More
    EL Testing for Solar Panels: Inline vs Offline Setup
    18 Sep

    EL Testing for Solar Panels: Inline vs Offline Setup

    Where you place an EL tester on a solar module line decides which defects stay f···

    Read More

    Request A Quote

    All uploads are secure and confidential.

    Why Choose Us

    We deliver expertise you can trust our service

    Direct-from-Factory Equipment.

    Cost-Effective Advantages

    We deliver exceptional value, maximizing results while optimizing budgets for clients.

    Our Experience Team

    Our skilled professionals specialize in innovative solutions and tailored strategies.

    15+ Years Industry Experience

    Deep expertise ensures reliable, trend-aware, and proven outcomes for success.

    Testimonials

    What Our Client Say's about us

    Client testimonials praise our deep understanding of their challenges, which leads to innovative solutions and strong ROI. Long-term collaborations—some over a decade—demonstrate their trust and satisfaction. Their success stories drive us to continually exceed expectations. Know More

    thank you for ooitech's professional support and on time after service.

    Diarra From Africa

    Thanks to Ooitech for providing highly suitable BC solar cell experimental equipment.

    KTECH

    Thank you again so much again for the very big big help for improving and fixing the factory and also teaching the workers how to use the machines

    Mark

    BIPV Philippines

    A man with a big soul. Thank you very much for your visit Mr Wu. Thank you very much for the services provided in installing equipment and training my students. The kindest person and professional in his field

    Jizzakh Polytechnic Institute

    Thanks to Ooitech for providing the fully automated production equipment—your installation and after-sales service have been excellent.

    Amjad

    Our Products

    Our Latest Products

    GIV Solar Simulator: A+ Class, <1% Instability
    2025-09-08 13:49:42

    GIV Solar Simulator: A+ Class, <1% Instability

    Gsolar GIV-20A2616 A+A+A+ class solar panel tester and sun simulator with 2600mm x 1600mm testing area, 10ms-100ms long pulse duration

    Read More
    Single Layer Double Chamber Automatic BIPV Laminator
    2025-09-06 11:41:22

    Single Layer Double Chamber Automatic BIPV Laminator

    Ooitech OTCY-2754DD Single Layer Double Chamber Automatic BIPV Laminator features 2700x5400mm dual lamination areas, upper and lower double heating

    Read More
    Low-Temperature PV Ribbon and Flux for Solar Strings
    2025-09-10 08:55:26

    Low-Temperature PV Ribbon and Flux for Solar Strings

    PV ribbon and flux for solar cell interconnection: low-temperature soldering ribbon in high-purity tin-coated copper, supporting MBB and half-cut lines.

    Read More
    Solar Cells for PV Modules
    2025-09-09 09:29:14

    Solar Cells for PV Modules

    Solar cell processing equipment for PERC, TOPCon, HJT & BC cells – cutting, stringing, testing. Supports G1/M6/M10/M12 sizes.

    Read More
    OTCY-2754DD BIPV Laminator: Double-Chamber, Single-Layer
    2025-09-06 11:45:28

    OTCY-2754DD BIPV Laminator: Double-Chamber, Single-Layer

    Ooitech solar panel laminator full catalogue: 10 models, technical specs comparison, system descriptions, safety controls

    Read More
    PV Backsheet for Solar Modules — TPT, KPK, PVDF
    2025-09-09 17:03:06

    PV Backsheet for Solar Modules — TPT, KPK, PVDF

    PV backsheet for solar modules in TPT, KPK, PVDF and transparent grades: UV-resistant, electrically insulating and moisture-blocking rear protection.

    Read More
    AI research shortcut

    Ask AI About OOITech

    One click opens your AI assistant with a question about our solar panel production lines already filled in — the turnkey PV module lines we build, from semi-automatic to GW-scale, and what a quote needs.

    Add ooitech.com to Preferred Sources
    Get a Quote