CROSS-STANDARD public interest · Solar PV inverter

China-to-Slovenia Solar PV Inverter Compliance Gap Matrix

AI-compiled from official public sources — cross-checked by multiple AI models, not human-verified. Informational only; see disclaimer. Public-interest, source-linked comparison of common China solar PV inverter documentation against Slovenia (SIST/Agen-E/ELES) expectations: SIST-adopted standards routes, Agen-E and ELES grid-connection processes, CE-marking-aligned requirements, IEC 62109, IEC 62116, IEC 61727, IEC 62920 and IEC 61000 evidence, with 230/400 V 50 Hz grid settings and Port Koper as the main port — versus China GB/T 37408, NB/T 32004, and GB/T 19964 baselines.

Dataset 2026-06-11 Last verified 2026-06-15 3 rows

Compliance Gap Matrix

Gap matrix
Compliance item Common China baseline Slovenia (SIST / Agen-E / ELES) Gap / action Source + verification date
EMC — IEC 62920 and IEC 61000 Evidence for Slovenia PV Inverters Chinese PV inverter EMC evidence commonly relies on GB/T 37408-2021 and related domestic EMC test reports from CNAS-accredited laboratories. These reports can be useful engineering background but are not automatically equivalent to IEC 62920 or the IEC 61000-series evidence requested by a Slovenia project owner, SIST conformity route, Agen-E review, or ELES grid-connection process. China test conditions are normally aligned with the China 220/380 V, 50 Hz baseline, while Slovenia uses 230/400 V at the same frequency.GB/T 37408-2021 — 光伏并网逆变器技术要求 (Technical Requirements for Photovoltaic Grid-Connected Inverters)
CNAS-accredited domestic EMC test reports under China standard scopes
Slovenia PV inverter EMC expectations should be prepared on an IEC/EN basis because SIST is the national standards body and project specifications for grid-connected PV commonly reference IEC-family inverter evidence. The practical EMC package should include IEC 62920 for PV power conversion equipment and applicable IEC 61000-series evidence for emissions, immunity, harmonics, surge, voltage dips, and power quality. For ELES/Agen-E grid-connected projects, harmonic and conducted-emission evidence should be tied to the actual inverter model, rating, and configuration. Because Slovenia uses a 230/400 V, 50 Hz grid (identical to the EU standard), EMC and harmonic results obtained under China 220/380 V conditions should be reviewed for applicability before submission. Slovenian-language documentation is commonly expected.IEC 62920 — Photovoltaic power generating systems — EMC requirements and test methods for power conversion equipment
IEC 61000 series — Electromagnetic compatibility test, immunity, harmonic, surge, voltage-dip, and power-quality standards as applicable to the inverter configuration
SIST standards adoption and project specification requirements where applicable
ELES/Agen-E grid-connection review requirements for power quality and harmonic performance
Gap: China-only EMC certificates under GB/T 37408 do not automatically satisfy Slovenia IEC/EN-based project expectations. Exporters should obtain IEC 62920 and applicable IEC 61000-series reports for the specific model or family, confirm whether harmonics and conducted-emission results remain valid at 230/400 V, and provide surge, earthing, shielding, and enclosure documentation suitable for the installation. Where ELES or the project owner specifies harmonic limits or power-quality measurements, test reports should be mapped clause-by-clause to that requirement.[INFORMATIONAL] Treat Slovenia PV inverter EMC as an IEC evidence package, not a China GB/T certificate transfer. Prepare IEC 62920 and applicable IEC 61000-series reports for the exact inverter model, review harmonic and EMC applicability at Slovenia's 230/400 V 50 Hz grid voltage, and confirm any SIST, Agen-E, ELES, or project-owner EMC requirements before shipment. Slovenian Institute for Standardization (SIST)2026-06-15 · reference
ELES/Agen-E Grid-Connection Review — IEC 62116, IEC 61727, and 230/400 V 50 Hz Settings Chinese PV inverter grid-connection evidence commonly includes GB/T 19964-2024 for PV power station connection, NB/T 32004 for grid-connected inverter technical specifications, GB/T 37408 for PV grid-connected inverter requirements, and domestic anti-islanding test results. These documents are built around China grid conditions and domestic acceptance procedures. China's low-voltage baseline is 220/380 V at 50 Hz, not Slovenia's 230/400 V at 50 Hz. Chinese grid certificates and factory firmware settings do not automatically transfer to ELES acceptance or Agen-E project review in Slovenia.GB/T 19964-2024 — 光伏发电站接入电力系统技术规定 (Technical Requirements for Connecting Photovoltaic Power Station to Power System)
NB/T 32004-2018 — 光伏并网逆变器技术规范 (Technical Specification for Photovoltaic Grid-Connected Inverters)
GB/T 37408-2021 — 光伏并网逆变器技术要求 (Technical Requirements for Photovoltaic Grid-Connected Inverters)
GB/T 156 — 标准电压 (Standard voltages)
Grid-connected solar PV inverters in Slovenia should be treated as project-level grid-connection equipment subject to ELES (transmission system operator) technical review and Agencija za energijo (Agen-E) energy-sector oversight. The practical IEC evidence package normally includes IEC 62116 anti-islanding and IEC 61727 utility-interface compliance, with firmware protection thresholds, reconnection delay, voltage windows, and frequency windows validated for Slovenia's 230/400 V, 50 Hz low-voltage grid. Slovenia uses the same 50 Hz frequency as China, but the nominal voltage differs: Slovenia is 230 V single-phase and 400 V three-phase (EU standard), while China is 220/380 V under GB/T 156. Slovenian-language documentation is commonly expected by ELES and project owners.IEC 62116 — Utility-interconnected photovoltaic inverters — Test procedure of islanding prevention measures
IEC 61727 — Photovoltaic systems — Characteristics of the utility interface
ELES project grid-connection and commissioning requirements for the relevant installation
Agen-E electricity-sector approval or oversight requirements where applicable
Slovenia low-voltage grid context — 230 V single-phase / 400 V three-phase, 50 Hz
Commission Regulation (EU) 2016/631 — Requirements for Generators (RfG)
Gap: China GB/T and NB/T grid-connection evidence is not a substitute for Slovenia ELES/Agen-E project acceptance. Exporters should prepare IEC 62116 anti-islanding evidence, IEC 61727 utility-interface evidence, a Slovenia-specific settings file, and commissioning records for 230/400 V at 50 Hz. Do not describe Slovenia voltage as matching China: only the 50 Hz frequency matches, while nominal voltage differs from China's 220/380 V. Documentation should be available in Slovenian as commonly required by local authorities and project owners.[INFORMATIONAL] Chinese GB/T grid-connection documents do not automatically satisfy Slovenian ELES/Agen-E grid-connection review. Prepare IEC 62116 and IEC 61727 evidence, re-parameterise inverter firmware for Slovenia's 230/400 V at 50 Hz grid, and provide documentation in Slovenian where required. Verify current ELES and Agen-E project requirements directly before shipment or commissioning. ELES (Slovenian Transmission System Operator)2026-06-15 · reference
IEC 62109-1 / IEC 62109-2 Safety Evidence for Slovenia PV Inverters China safety documentation for PV grid-connected inverters commonly uses GB/T 37408-2021, NB/T 32004, domestic CQC or CGC voluntary certification, and CNAS-accredited laboratory reports. These documents are useful for supplier qualification but are not automatically accepted as IEC 62109-1/-2 evidence for Slovenia projects. Chinese safety reports may also be based on China-rated configurations, labels, manuals, surge protection, and 220/380 V assumptions, while Slovenia project files must reflect 230/400 V, 50 Hz installation conditions.GB/T 37408-2021 — 光伏并网逆变器技术要求 (Technical Requirements for Photovoltaic Grid-Connected Inverters)
NB/T 32004-2018 — 光伏并网逆变器技术规范 (Technical Specification for Photovoltaic Grid-Connected Inverters)
CQC / CGC voluntary certification programmes for China domestic PV inverter safety and performance
For Slovenia solar PV projects, inverter safety documentation should be prepared around IEC 62109-1 and IEC 62109-2 type-test evidence for the exact inverter model or family. SIST is the national standards body, Agen-E oversees the energy sector, and ELES controls the practical grid-connection interface, so project submissions should include accredited IEC safety reports, installation manuals, ratings, nameplate data, protection-device coordination, earthing instructions, and environmental limits. Slovenia applies EU CE marking requirements under LVD 2014/35/EU. Slovenian-language safety documentation and installation instructions are commonly expected by local authorities and installers.IEC 62109-1 — Safety of power converters for use in photovoltaic power systems — Part 1: General requirements
IEC 62109-2 — Safety of power converters for use in photovoltaic power systems — Part 2: Particular requirements for inverters
LVD 2014/35/EU — CE marking mandatory for EU market access
SIST standards adoption and conformity expectations where applicable
Agen-E and ELES project documentation requirements for grid-connected solar PV equipment
Gap: A China-only GB/T 37408 or NB/T 32004 safety file does not automatically satisfy Slovenia IEC safety expectations or EU LVD CE marking requirements. Exporters should provide IEC 62109-1/-2 type-test reports for the supplied model or model family, confirm that labels and manuals match the Slovenia configuration (including Slovenian-language requirements where applicable), document protection coordination and earthing, and verify that the technical file satisfies LVD 2014/35/EU. Any changes to enclosure, terminals, firmware settings, surge protection, or nameplate ratings for Slovenia can require updated safety documentation.[INFORMATIONAL] Do not rely on China GB/T or NB/T inverter safety files alone for Slovenia PV projects. CE marking under LVD 2014/35/EU is mandatory. Prepare IEC 62109-1/-2 type-test evidence for the exact model, align labels and manuals to Slovenia's 230/400 V 50 Hz configuration, and provide documentation in Slovenian where required. Confirm current SIST, Agen-E, ELES, and project-owner safety requirements before shipment. Slovenian Institute for Standardization (SIST)2026-06-15 · reference

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