CROSS-STANDARD public interest · Solar PV inverter

China-to-Guinea 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 Guinea national conformity, EDG grid-connection and project-owner requirements, IEC 62109-1/-2 safety evidence, IEC 62116 anti-islanding, IEC 61727 interconnection, IEC 62920 and IEC 61000 EMC evidence, 50 Hz 220/380 V settings, and humid coastal / Harmattan dust operating conditions — versus China GB/T 37408, NB/T 32004, and GB/T 19964 baselines.

Dataset 2026-06-11 Last verified 2026-06-14 4 rows

GAP MATRIX

Compliance Gap Matrix

Gap matrix
Compliance item Common China baseline Guinea (IGNM / ARSEE-Guinea / EDG) Gap / action Source + verification date
EMC and Power Quality — IEC 62920, IEC 61000 Series, Harmonics, and Weak-Grid Performance for Guinea PV Inverters Chinese PV inverter EMC is commonly assessed under GB/T 37408-2021 and related domestic test plans, with reports issued by CNAS-accredited laboratories. These reports may reference IEC 61000-series methods but are not automatically accepted as IEC 62920 or project-specific power-quality evidence for Guinea. The export package may need IEC-labelled reports, full test configurations, harmonic study data, and confirmation that firmware settings and filters remain valid under Guinea's 50 Hz connection conditions.GB/T 37408-2021 — 光伏并网逆变器技术要求 (Technical Requirements for Photovoltaic Grid-Connected Inverters) — includes EMC-related requirements
NB/T 32004-2018 — 光伏并网逆变器技术规范 (Technical Specification for Photovoltaic Grid-Connected Inverters)		 A public Guinea solar-inverter EMC technical regulation could not be confirmed. For grid-tied and donor-financed PV projects, the defensible evidence package is IEC 62920 for PV power-conversion EMC, IEC 61000-series immunity and emission reports, harmonic current and voltage-distortion analysis, and site-level power-quality modelling. Guinea's grid context can include weak feeders, hydro-dominated supply in parts of the system, thermal generation, industrial and mining loads, rural mini-grids, high humidity, salt exposure near Conakry, and Harmattan dust inland; EMC and power-quality acceptance should therefore be tied to the actual site and EDG or project-owner criteria.IEC 62920 — Photovoltaic power generating systems — EMC requirements and test methods for power conversion equipment
IEC 61000 series — Electromagnetic compatibility emissions, immunity, harmonics, voltage fluctuation, and power-quality test methods where specified
Project-specific EDG, EPC, lender, donor, or owner power-quality limits and commissioning tests
Site environmental assumptions for humidity, corrosion, dust, ventilation, and thermal derating		 Gap: GB/T EMC reports alone do not prove IEC 62920 compliance or site power-quality acceptance in Guinea. Exporters should obtain IEC 62920 / IEC 61000 reports for the exact inverter model and configuration, prepare harmonic and flicker evidence for the project capacity, and confirm EDG or owner limits for total harmonic distortion, reactive power control, grounding, earthing, surge protection, and communication interference. Environmental controls such as conformal coating, IP rating, enclosure ventilation, salt-mist exposure, and dust filters should be documented where relevant.[INFORMATIONAL] Do not assume China GB/T 37408 EMC evidence will satisfy Guinea project acceptance. Use IEC 62920 / IEC 61000 reports, harmonic studies, EDG or owner power-quality limits, and tropical environmental controls as the working package until the current Guinea-specific EMC route is confirmed. Verify final requirements with EDG, the EPC, lender, donor, and competent national conformity body. International Electrotechnical Commission (IEC)2026-06-14 · unverified
Guinea Grid Connection — EDG Acceptance, IEC 62116 Anti-Islanding, IEC 61727 Interconnection, and 50 Hz / 220 V / 380 V Settings Chinese grid-connection evidence commonly includes GB/T 19964-2024, NB/T 32004, GB/T 37408-2021, domestic anti-islanding results, and factory firmware settings based on China 50 Hz 220/380 V distribution conditions. These documents support China grid-operator submissions but do not automatically transfer to EDG acceptance in Guinea. Guinea project stakeholders may require IEC reports, French-language documentation, site-specific protection studies, and commissioning records instead of China-only GB/T or NB/T certificates.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)		 For grid-tied solar PV projects in Guinea, the practical gate is EDG and project-owner acceptance of the connection design. A publicly accessible EDG inverter technical specification equivalent to Qatar's Kahramaa EP-EPP-P7-S1 could not be confirmed. In the absence of a confirmed Guinea inverter-specific list, bankable projects commonly need IEC-based evidence: IEC 62116 anti-islanding, IEC 61727 utility interface, relevant IEC 61000 harmonic and power-quality evidence, protection settings, commissioning tests, and a grid-code / connection study agreed with EDG or the appointed network engineer. Guinea commonly uses 220/380 V, 50 Hz distribution parameters; firmware and protection relay settings should be validated for the actual EDG connection point, not assumed from China factory defaults.EDG project-specific grid-connection approval and commissioning requirements (public inverter-specific specification not confirmed)
IEC 62116 — Utility-interconnected photovoltaic inverters — Test procedure of islanding prevention measures
IEC 61727 — Photovoltaic systems — Characteristics of the utility interface
IEC 61000 series — Electromagnetic compatibility and power-quality test methods where specified by EDG, EPC, owner, lender, or donor documents
Guinea low-voltage distribution context — commonly 220/380 V, 50 Hz; confirm final voltage and protection settings at the EDG connection point		 Gap: China GB/T and NB/T grid certificates do not establish EDG grid-connection approval in Guinea. Exporters should prepare IEC 62116 anti-islanding evidence, IEC 61727 utility-interface evidence, harmonic / power-quality reports, a protection-settings file, and a commissioning test plan for the specific EDG connection point. Confirm whether the project is utility-scale, mining self-supply, mini-grid, rural electrification, or behind-the-meter, because the authority, concession, PPA, and commissioning documents may differ. Humidity, Harmattan dust, weak-grid operation, and diesel/hydro hybrid interactions should be included in the settings and derating review.[INFORMATIONAL] Treat EDG connection approval and project-owner acceptance as separate gates from China domestic grid certificates. Prepare IEC 62116, IEC 61727, harmonic / power-quality, protection-settings, and commissioning evidence for Guinea's 50 Hz grid and the actual connection point. Verify the competent electricity regulator name, EDG requirements, licence route, and current grid-connection documents directly before shipment. Electricité de Guinée (EDG)2026-06-14 · unverified
Guinea Project Route — Utility, Mining, Rural Electrification, Donor, and Lender Connection Gates Chinese distributed and utility PV approvals are based on China NEA policy, State Grid / Southern Power Grid procedures, GB/T 19964-2024, NB/T 32004, and GB/T 37408-2021. Those approvals do not establish a Guinea PPA, concession, EDG interface agreement, donor procurement eligibility, or lender technical acceptance. Chinese documentation may need reformatting into a project evidence matrix with IEC cross-references and French or bilingual operating documents.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)		 Guinea's solar PV market includes donor-financed rural electrification, mining and industrial self-supply, and emerging grid-connected IPP projects. The Khoumagueli solar project has been publicly described as a 40 MWp IPP selling power to EDG, illustrating that project-specific PPA, concession, lender, and EDG interface documents can be decisive. For inverters, the compliance package may therefore be driven less by a published national inverter list and more by project documents requiring IEC reports, French-language manuals, factory acceptance tests, site acceptance tests, spares, tropicalisation, and weak-grid performance settings.Project-specific PPA, concession, EPC, lender, donor, and EDG interconnection documents
IEC 62116 and IEC 61727 where specified for utility-interconnected PV inverters
EDG or appointed grid engineer protection coordination and commissioning requirements
French-language technical documentation where required by purchaser, authority, lender, or site operator		 Gap: A China-compliant inverter package may still fail Guinea project acceptance if it lacks the donor/lender forms, French documentation, site-specific firmware file, weak-grid ride-through assumptions, humidity and dust derating, or EDG commissioning evidence required by the contract. For mining and industrial loads, confirm whether the inverter operates islanded, grid-parallel, diesel-hybrid, hydro-linked, or behind-the-meter, because anti-islanding and grid-support settings can change materially.[INFORMATIONAL] Build a Guinea project evidence matrix from the PPA, EDG interface, EPC specification, and donor/lender clauses before relying on Chinese grid certificates. IEC evidence, French documentation, site commissioning records, and environmental derating may be decisive even where no public Guinea inverter-specific rule is available. Confirm the current legal and utility gate with the project company, EDG, and competent ministry. InfraCo Africa2026-06-14 · unverified
IEC 62109-1 / IEC 62109-2 Safety Evidence — Guinea National Conformity, EDG, and Project Procurement Chinese PV inverter safety evidence commonly includes GB/T 37408-2021 and NB/T 32004 test reports, voluntary CQC or CGC certificates, CNAS laboratory reports, and China-market markings and manuals. These documents may be useful technical inputs but are not automatically equivalent to IEC 62109-1/-2 certificates or Guinea national conformity acceptance. Chinese manuals, labels, and warnings may also need French or bilingual adaptation for Guinea procurement and installation use.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)
Voluntary CQC/CGC PV inverter certification routes based on China domestic requirements		 A public Guinea solar-inverter-specific compulsory safety standard list could not be confirmed. The standards-body name IGNM (Institut Guinéen de Normalisation et de Métrologie) is used in secondary and government-context references but should be reconfirmed with Guinea authorities for the current conformity route. For bankable PV projects, IEC 62109-1 and IEC 62109-2 remain the most defensible safety evidence for PV power converters and inverters, especially where EDG, lenders, donors, EPC contractors, or mining customers specify IEC certificates. Safety evidence should cover the exact model or family, firmware/hardware configuration, environmental rating, French or bilingual warnings, and installation manuals suitable for humid tropical and dusty operating conditions.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
Guinea national conformity route through IGNM or competent authority (current inverter-specific compulsory list not confirmed)
Project-specific EDG, EPC, lender, donor, mining customer, or owner safety documentation requirements		 Gap: China GB/T safety reports do not by themselves satisfy IEC 62109 or Guinea project procurement expectations. Exporters should prepare IEC 62109-1/-2 type-test certificates from an ILAC-accredited laboratory for the specific inverter model or family, plus a declaration mapping Chinese reports to IEC clauses where available. The technical file should address tropical humidity, enclosure ingress protection, corrosion, surge protection, earthing, DC isolation, arc-fault / fire-risk controls where specified, spare parts, and French or bilingual installation and safety instructions.[INFORMATIONAL] A China-only GB/T safety file should be treated as incomplete for Guinea PV inverter projects unless the buyer and competent authority expressly accept it. Prepare IEC 62109-1/-2 evidence, French or bilingual safety documentation, and tropical-environment design evidence for the exact model supplied. Verify the current IGNM or competent-authority conformity route and any EDG or donor safety clauses before shipment. International Electrotechnical Commission (IEC)2026-06-14 · unverified

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