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Electrical & Fundamentals

Latest in Electrical & Fundamentals

20 Aug

Why Does Electrifying a Solar Panel Reveal Hidden Cell

Discover the science behind Electroluminescence (EL) testing in solar panels. Le···

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08 Aug

The 2000V Era Is Coming: Are Your Solar Modules

A practical look at creepage distance, insulation materials, butyl edge sealing,···

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22 Jul

EL Shows You Where It Is Dark, but Not Why:

EL imaging can reveal dark areas, broken fingers, cracks, and current-distributi···

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21 Jul

FF in Solar Cell: What Fill Factor Reveals

Learn why solar cell fill factor is highly sensitive to metallization, printing,···

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20 Jul

Can Cold Solder Joints in a PV Junction Box Cause Burnout?

A practical look at how cold solder joints inside a solar module junction box ca···

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14 Jul

Solar Panel Hot Spots: Why Temperature Matters

What a hot spot does to encapsulant, backsheet, glass and solder joints, why hot···

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06 Jul

Finger Interruptions in Solar Cells — EL Testing

Finger interruptions in solar cells and what EL testing reveals: how broken fing···

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30 Jun

Solar Simulator Calibration: How Often and How To

A practical English blog explaining solar simulator calibration for photovoltaic···

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30 Jun

IV Curve Testing: How to Measure a Solar Module

How to measure the solar panel IV curve accurately: STC conditions, solar simula···

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10 Mar

Why BC Solar Cells Handle Shading Better

A clear look at why back contact (BC) solar cells offer better shading tolerance···

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10 Sep

Thermal Imaging for Solar Panels: How SESPNet Catches

A close look at SESPNet, a semantic-enhancement and scale-perception network tha···

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Our Latest Products

BC Cell Tabber Stringer: 1000 Cells/h for IBC, ABC, HPBC
2025-08-17 17:41:21

BC Cell Tabber Stringer: 1000 Cells/h for IBC, ABC, HPBC

A BC cell tabber stringer welds IBC, ABC and HPBC cells on the rear face: 0.2 mm placement, 1000 cells/h, 0.2% breakage on Class A wafers.

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PV Ribbon Machine: Wire Drawing for Solar Ribbon
2026-05-11 16:24:32

PV Ribbon Machine: Wire Drawing for Solar Ribbon

Professional intermediate wire drawing machine for solar ribbon production line, featuring four-axis horizontal design

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SC-20D Dual-Laser Solar Cell Cutting Machine
2025-08-17 17:41:21

SC-20D Dual-Laser Solar Cell Cutting Machine

SC-20D is the advanced version of SC-20A, specially designed for shingled solar cell production, featuring dual laser heads and two lasers working

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SPZ-A Junction Box Glue Filling Machine: ±2% Metering
2025-09-06 13:34:54

SPZ-A Junction Box Glue Filling Machine: ±2% Metering

Ooitech SPZ-AB10S-JH Junction Box AB Component Filling Glue Machine delivers precise two-component adhesive mixing and dispensing for solar panel junction

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SC-20P BC Cell Laser Cutting Machine
2025-08-17 17:41:21

SC-20P BC Cell Laser Cutting Machine

SC-20P is an upgraded laser cutter based on SC-20A, designed for BC cells. It synchronously cuts both the cell and protective paper into 1/2 pieces

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OPT-M960B EL & VI Tester: 0.1mm/pixel, Intel i7
2025-09-06 11:38:03

OPT-M960B EL & VI Tester: 0.1mm/pixel, Intel i7

Ooitech offers professional solar panel EL tester and VI tester machines (OPT-M960B, OPT-M951B, OPT-M950B) with SONY industrial cameras

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