CROSS-STANDARD public interest · Solar PV inverter

China-to-Turkmenistan 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 Turkmenistan Turkmenstandartlary conformity requirements, Turkmenenergo 220/380 V 50 Hz grid-connection acceptance, IEC 62109 safety evidence, IEC 62116 and IEC 61727 grid-interface evidence, IEC 61000 and IEC 62920 EMC evidence, and desert heat and dust derating — versus China GB/T 37408-2021, NB/T 32004, and GB/T 19964-2024 baselines. Turkmenistan is not an EAEU member; EAC / TR CU certification is not the applicable route.

Dataset 2026-06-11 Last verified 2026-06-14 3 rows

GAP MATRIX

Compliance Gap Matrix

Gap matrix
Compliance item Common China baseline Turkmenistan (Turkmenstandartlary / Turkmenenergo) Gap / action Source + verification date
EMC and Power Quality Evidence — IEC 62920 and IEC 61000 for Turkmenistan PV Inverter Projects Chinese PV inverter EMC files commonly rely on GB/T 37408-2021, NB/T 32004, and CNAS laboratory reports. These documents can support a technical package, but they are not automatically equivalent to IEC 62920 or IEC 61000 evidence for Turkmenistan. If a Chinese report cites IEC test methods, the report edition, test configuration, limits, accessory configuration, firmware version, and laboratory accreditation still need to be checked against the Turkmenistan project requirement.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 — 光伏并网逆变器技术规范 (Technical Specification for Photovoltaic Grid-Connected Inverters)
CNAS-accredited China laboratory EMC test reports		 For Turkmenistan PV inverter projects, EMC and power-quality evidence should be prepared around IEC 62920 for photovoltaic power conversion equipment and the applicable IEC 61000-series emission, immunity, and harmonic-current standards. Publicly confirmed Turkmenistan solar-inverter EMC technical regulations have not been identified in this dataset; exporters should therefore treat EMC as a Turkmenstandartlary conformity and Turkmenenergo project-review matter, with exact report scope confirmed for each project. Desert dust, high ambient temperature, enclosure ventilation, cable routing, grounding, and surge-protection design can affect EMC performance and should be addressed in the technical dossier.IEC 62920 — Photovoltaic power generating systems — EMC requirements and test methods for power conversion equipment
IEC 61000 series — Electromagnetic compatibility emission, immunity, harmonics, flicker, and power-quality standards
Turkmenstandartlary conformity assessment for regulated products where applicable
Turkmenenergo project technical review for grid-connected PV inverter installations		 Gap: GB/T 37408-2021 and NB/T 32004 EMC reports should be mapped against IEC 62920 and applicable IEC 61000 clauses. Exporters should obtain or compile IEC-aligned reports for the exact inverter model, power rating, firmware configuration, enclosure option, filters, cables, and accessories supplied to Turkmenistan. Confirm whether Turkmenstandartlary, Turkmenenergo, EPC contractors, or project owners require ILAC-accredited IEC reports. Do not assume EAC / TR CU EMC certificates are relevant; Turkmenistan is outside the EAEU and domestic conformity plus project acceptance is the controlling route.[INFORMATIONAL] Prepare IEC 62920 and applicable IEC 61000 EMC and power-quality evidence for Turkmenistan PV inverter projects instead of relying only on GB/T 37408-2021 or NB/T 32004 files. Confirm the exact EMC report scope with Turkmenstandartlary, Turkmenenergo, EPC contractor, or project owner, and include desert dust, heat, grounding, surge-protection, and installation-layout assumptions in the technical dossier. Turkmenstandartlary (Main State Service for Standardisation, Metrology and State Supervision)2026-06-14 · unverified
Turkmenenergo Grid Connection — 220/380 V 50 Hz, IEC 62116 / IEC 61727, and Project-Specific Settings Chinese PV inverter grid evidence commonly includes GB/T 19964-2024, NB/T 32004, GB/T 37408-2021, domestic anti-islanding test results, and China grid-operator acceptance files. China also uses a 220/380 V, 50 Hz nominal grid, so basic voltage and frequency are aligned with Turkmenistan. However, Chinese grid certificates and settings are not Turkmenenergo approvals and do not prove compliance with Turkmenistan project-specific protection, commissioning, communications, or owner requirements.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 — 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)		 Turkmenistan's electricity sector is state-controlled through Turkmenenergo. Grid-connected solar PV inverter projects should be treated as requiring Turkmenenergo technical review, connection conditions, commissioning acceptance, and project-specific protection settings. The national low-voltage supply context is 220 V single-phase / 380 V three-phase at 50 Hz, nominally the same as China. That voltage alignment reduces conversion risk, but it does not replace local grid acceptance. IEC 62116 anti-islanding and IEC 61727 utility-interface evidence should be prepared as the IEC-aligned technical baseline for PV inverters, together with any Turkmenenergo requirements on frequency and voltage protection windows, reconnection delay, reactive power, harmonics, metering, SCADA or monitoring interface, and site commissioning.Turkmenenergo project-specific grid-connection and commissioning requirements for state-controlled electricity supply
Turkmenistan supply context — 220/380 V, 50 Hz
IEC 62116 — Utility-interconnected photovoltaic inverters — Test procedure of islanding prevention measures
IEC 61727 — Photovoltaic systems — Characteristics of the utility interface
Project-specific Turkmenenergo settings for protection, metering, reactive power, communications, and commissioning		 Gap: China GB/T and NB/T grid files are supporting documents only. Exporters should prepare IEC 62116 and IEC 61727 evidence, an inverter firmware and protection-setting record for Turkmenistan 220/380 V 50 Hz operation, and a Turkmenenergo project submission package covering protection coordination, harmonics, reactive power, metering, monitoring interface, commissioning tests, and installer responsibilities. Because public PV rules are limited and solar deployment is nascent in a gas-rich state economy, confirm the applicable Turkmenenergo body and project approval path directly rather than assuming any standard EAEU, EAC, or TR CU route.[INFORMATIONAL] Turkmenistan's 220/380 V 50 Hz grid aligns nominally with China, but Chinese GB/T 19964-2024, NB/T 32004, and GB/T 37408-2021 documents do not replace Turkmenenergo grid acceptance. Prepare IEC 62116 / IEC 61727 evidence and validate firmware, protection, metering, harmonics, reactive-power, communications, and commissioning settings for the exact Turkmenistan project. Do not use an EAC / TR CU route: Turkmenistan is not an EAEU member. Ministry of Energy of Turkmenistan / Turkmenenergo2026-06-14 · unverified
Safety and Desert Environmental Suitability — IEC 62109, Turkmenstandartlary Conformity, Heat and Dust Derating China evidence commonly includes GB/T 37408-2021, NB/T 32004, factory quality files, CQC or CGC voluntary certificates, and CNAS laboratory reports. These files can support a Turkmenistan technical dossier, but they are not automatic substitutes for IEC 62109-1/-2 type-test evidence or for Turkmenstandartlary conformity where applicable. Chinese standard operation and factory derating data may not fully cover Turkmenistan desert dust, high ambient temperature, solar irradiance, and maintenance constraints unless separately tested or documented.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 — 光伏并网逆变器技术规范 (Technical Specification for Photovoltaic Grid-Connected Inverters)
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)
CQC / CGC voluntary China PV inverter certification schemes where obtained		 PV inverter safety and market-access planning for Turkmenistan should be built around domestic Turkmenstandartlary conformity assessment and IEC-aligned safety evidence. IEC 62109-1 and IEC 62109-2 are the core international safety standards for power converters and PV inverters. Publicly confirmed Turkmenistan solar-inverter product regulations and designated conformity bodies have not been fully confirmed in this dataset, so exporters should verify the applicable Turkmenstandartlary route, local representative or importer obligations, customs documentation, labelling, language, and project-owner requirements before shipment. Because Turkmenistan has extreme desert heat and dust exposure and solar deployment is still nascent, project files should include thermal derating curves, high-ambient operation limits, ingress protection, dust filtration or enclosure design, surge protection, service access, and installation clearance evidence.Turkmenstandartlary domestic conformity assessment for regulated products where applicable
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
Project-specific desert heat, dust, ingress-protection, surge-protection, and thermal-derating requirements
Turkmenistan is not an EAEU member — EAC / TR CU certification is not the applicable market-access route		 Gap: A China-only safety dossier should be supplemented with IEC 62109-1/-2 reports, Turkmenstandartlary conformity documents where applicable, and a desert-environment suitability file. Include high-temperature operating range, thermal derating curves, enclosure ingress protection against dust, heat-sink and ventilation assumptions, surge-protection coordination, corrosion and UV exposure assumptions, installation clearances, maintenance intervals, and firmware or shutdown behaviour at high ambient temperatures. Confirm the applicable Turkmenstandartlary body, local importer obligations, and any project-owner safety specifications directly because publicly available PV-specific rules are limited.[INFORMATIONAL] Do not rely on China-only GB/T 37408-2021 or NB/T 32004 safety evidence for Turkmenistan PV inverter acceptance. Prepare IEC 62109-1/-2 evidence, verify the domestic Turkmenstandartlary conformity route, and add desert heat and dust derating documentation for the exact installation environment. EAC / TR CU certification is not the applicable route because Turkmenistan is not an EAEU member. Turkmenstandartlary (Main State Service for Standardisation, Metrology and State Supervision)2026-06-14 · unverified

E-E-A-T

Named editorial review

Pending named reviewer

Official regulator, standards body, notified body, customs, or primary legal source preferred. Local PDFs are not accepted.

Editorial controls

Rows must include publisher, official URL, access date, verification flag, and last_verified before human_reviewed can be true.

SOURCES

Official-source register.