Huawei Solar Inverter Conformity and Technical Data

Manufacturer: HUAWEI TECHNOLOGIES CO., LTD.

Product Type: SOLAR INVERTER

Models: SUN2000-100KTL-M2, SUN2000-115KTL-M2

Certificate Number: A3 50564049 0001

Report Number: CN224DKW 001

Date of Issue: 04.11.2022

Certificate of Conformity

This document confirms that a sample of the specified technical equipment has been tested and found to be in accordance with relevant requirements.

The verification of conformity refers to the product mentioned above and confirms its compliance with the assessment requirements. This verification does not imply an assessment of the production of the product and does not permit the use of a TÜV Rheinland mark of conformity.

Product Identification and Standards

Manufacturer: HUAWEI TECHNOLOGIES CO., LTD.

Address: Administration Building, Headquarters of Huawei Technologies Co., Ltd. Bantian, Longgang District, Shenzhen, 518129 Guangdong, P.R. China

Type of Product: SOLAR INVERTER

Model Designation: SUN2000-100KTL-M2, SUN2000-115KTL-M2

Firmware Version: V500R023

Software Version: V500R023C00SPC010

Standards Applied:

VDE-AR-N 4105:2018-11
DIN VDE V 0124-100 (VDE V 0124-100):2020-06

Test Report Summaries

The document includes summaries and data from various test reports:

A3 Grid Code Certificate: Confirms compliance with grid code requirements.
E.5 Test Report "System Reactions" for power generation units with feeding current: Details network reaction tests, including rapid voltage changes and flicker.
E.6 Certificate of NS protection: Confirms compliance with national protection (NA-Schutz) requirements.
E.7 Requirements for the test report for NS protection: Outlines specific protection settings tested, such as overvoltage, undervoltage, and frequency protection.

Technical Data: Network Reaction (E.5)

This section details the system's reaction to network disturbances, including rapid voltage changes and flicker, as well as harmonic emissions.

Rapid Voltage Changes (System Reactions)

The following table shows the system's reaction (represented by 'ki' values) to different voltage change scenarios:

Scenario	Model: SUN2000-100KTL-M2	Model: SUN2000-115KTL-M2
Einschalten ohne Vorgabe (zum Primärenergieträger) / Marking operation without default (to primary energy carrier)	ki= 1.003	ki= 1.106
Einschalten bei Nennbedingungen (des primärenergieträger) / Marking operation at reference conditions (of primary energy carrier)	ki= 1.106	ki= 1.054
Ausschalten bei Nennleistung / Breaking operation at nominal power	ki= 1.054	kimax= 1.106
Schlechtester Wert aller Schaltvorgänge / Worst case value of all switching operations	kimax= 1.106

Flicker

The following table shows the flicker coefficient (CY) of the system at different network impedance angles (Ψk):

Netzimpedanzwinkel Ψk / Angle of network impedance Ψk	30°	50°	70°	85°
Anlagenflickerbeiwert CV / System flicker coefficient CY	0.020	0.015	0.020	0.005

Harmonics (Model: SUN2000-115KTL-M2)

The following table details the harmonic current emissions (Iv/In [%]) at various active power levels (P/Pn [%]):

Harmonic number	P/Pn [%]	0%	10%	20%	30%	40%	50%	60%	70%	80%	90%	100%
1	Iv/In [%]	0.560	0.186	0.109	0.121	0.145	0.139	0.120	0.114	0.115	0.126	0.124
2	Iv/In [%]	0.688	0.144	0.054	0.079	0.137	0.099	0.153	0.119	0.150	0.107	0.101
3	Iv/In [%]	1.328	0.290	0.138	0.101	0.084	0.077	0.063	0.070	0.051	0.032	0.029
4	Iv/In [%]	0.834	0.185	0.203	0.139	0.181	0.112	0.331	0.184	0.118	0.275	0.444
5	Iv/In [%]	1.194	0.290	0.134	0.086	0.078	0.069	0.053	0.068	0.060	0.046	0.048
6	Iv/In [%]	0.856	0.206	0.200	0.125	0.169	0.155	0.234	0.100	0.133	0.242	0.453
7	Iv/In [%]	0.796	0.185	0.086	0.056	0.046	0.036	0.028	0.019	0.025	0.026	0.021
8	Iv/In [%]	0.467	0.083	0.041	0.028	0.064	0.111	0.053	0.060	0.033	0.035	0.066
9	Iv/In [%]	0.258	0.067	0.035	0.022	0.018	0.022	0.016	0.015	0.014	0.015	0.023
10	Iv/In [%]	0.429	0.110	0.063	0.081	0.099	0.129	0.134	0.086	0.077	0.205	0.104
11	Iv/In [%]	0.249	0.071	0.028	0.020	0.015	0.016	0.017	0.017	0.017	0.019	0.013
12	Iv/In [%]	0.329	0.082	0.048	0.053	0.047	0.126	0.124	0.077	0.066	0.128	0.144
13	Iv/In [%]	0.398	0.083	0.041	0.027	0.025	0.026	0.020	0.022	0.014	0.016	0.020
14	Iv/In [%]	0.628	0.083	0.053	0.025	0.035	0.064	0.062	0.034	0.042	0.037	0.037
15	Iv/In [%]	0.288	0.064	0.033	0.019	0.015	0.016	0.013	0.011	0.010	0.012	0.015
16	Iv/In [%]	0.655	0.134	0.111	0.138	0.148	0.181	0.210	0.144	0.116	0.119	0.147
17	Iv/In [%]	0.275	0.063	0.026	0.018	0.016	0.015	0.012	0.012	0.012	0.013	0.010
18	Iv/In [%]	0.352	0.082	0.083	0.095	0.111	0.106	0.141	0.107	0.108	0.126	0.164
19	Iv/In [%]	0.238	0.050	0.025	0.020	0.017	0.016	0.014	0.012	0.013	0.012	0.012
20	Iv/In [%]	0.653	0.097	0.061	0.050	0.086	0.068	0.075	0.048	0.068	0.070	0.065
21	Iv/In [%]	0.298	0.064	0.030	0.040	0.026	0.024	0.015	0.014	0.011	0.013	0.013
22	Iv/In [%]	0.723	0.094	0.079	0.099	0.151	0.170	0.173	0.159	0.129	0.108	0.158
23	Iv/In [%]	0.307	0.070	0.040	0.047	0.034	0.030	0.023	0.022	0.016	0.017	0.010
24	Iv/In [%]	0.178	0.172	0.210	0.191	0.157	0.172	0.210	0.191	0.157	0.172	0.210
25	Iv/In [%]	0.264	0.061	0.031	0.021	0.016	0.015	0.019	0.015	0.014	0.012	0.012
26	Iv/In [%]	0.667	0.158	0.085	0.092	0.123	0.233	0.218	0.237	0.234	0.200	0.160
27	Iv/In [%]	0.663	0.158	0.085	0.092	0.123	0.233	0.218	0.237	0.234	0.200	0.160
28	Iv/In [%]	0.667	0.155	0.042	0.022	0.016	0.015	0.012	0.013	0.015	0.021	0.018
29	Iv/In [%]	0.959	0.174	0.074	0.092	0.135	0.203	0.172	0.167	0.148	0.151	0.186
30	Iv/In [%]	0.282	0.076	0.032	0.022	0.017	0.016	0.014	0.014	0.017	0.020	0.020
31	Iv/In [%]	0.663	0.158	0.085	0.092	0.123	0.233	0.218	0.237	0.234	0.200	0.160
32	Iv/In [%]	0.264	0.061	0.031	0.021	0.016	0.015	0.019	0.015	0.014	0.012	0.012
33	Iv/In [%]	1.268	0.210	0.094	0.042	0.051	0.058	0.075	0.093	0.075	0.071	0.097
34	Iv/In [%]	0.266	0.059	0.030	0.020	0.018	0.014	0.013	0.013	0.017	0.012
35	Iv/In [%]	1.219	0.149	0.055	0.082	0.135	0.176	0.178	0.182	0.159	0.173	0.204
36	Iv/In [%]	0.268	0.062	0.028	0.020	0.018	0.016	0.014	0.016	0.016	0.021	0.017
37	Iv/In [%]	0.648	0.249	0.092	0.084	0.140	0.219	0.208	0.223	0.233	0.194	0.136
38	Iv/In [%]	0.253	0.063	0.027	0.018	0.016	0.016	0.015	0.017	0.016	0.018	0.021
39	Iv/In [%]	1.311	0.314	0.183	0.088	0.037	0.026	0.065	0.074	0.066	0.058	0.068
40	Iv/In [%]	0.364	0.086	0.035	0.020	0.015	0.016	0.014	0.015	0.020	0.027	0.022

Remark: The maximal value of three phases is selected.

Technical Data: NS Protection (E.6 & E.7)

This section details the requirements and settings for the Network Protection (NA-Schutz) of the solar inverters.

Network Connection Rule: VDE-AR-N 4105: 2018-11 "Erzeugungsanlagen am Niederspannungsnetz" (Requirements for connection and parallel operation of generation plants at the low-voltage grid)

Test Requirement: DIN VDE V 0124-100 (VDE V 0124-100):2020-06 "Netzintegration von Erzeugungsanlagen - Niederspannung" (Test requirements for generation plants intended for connection and parallel operation at the low-voltage grid)

Protection Settings

The following table outlines the tested protection settings for voltage and frequency:

Protection Function	Setting	Response Value	Response Time	Model: SUN2000-100KTL-M2	Model: SUN2000-115KTL-M2
Spannungsschutz (Überspannungsschutz) / Voltage protection (Overvoltage protection)	Einschleusen / Connect	1.15 * U_n	< 100ms	1.15 * U_n	280.4 V	< 100ms
	Ausschleusen / Disconnect	1.25 * U_n	< 100ms	1.1 * U_n	253.0 V	< 100ms
Spannungsschutz (Unterspannungsschutz) / Voltage protection (Undervoltage protection)	Einschleusen / Connect	0.8 * U_n	< 100ms	0.8 * U_n	184.8 V	< 100ms
	Ausschleusen / Disconnect	0.7 * U_n	< 100ms	0.7 * U_n	160.6 V	< 100ms
Frequenzschutz (Oberfrequenzschutz) / Frequency protection (Overfrequency protection)	Ausschleusen / Disconnect	51.5 Hz	< 100ms	51.5 Hz	51.5 Hz	< 100ms
Frequenzschutz (Unterfrequenzschutz) / Frequency protection (Underfrequency protection)	Ausschleusen / Disconnect	47.5 Hz	< 100ms	47.5 Hz	47.5 Hz	< 100ms

Note: The test results are based on the time frame of the grid connection rule and refer to the connection and parallel operation of generation plants at the low-voltage grid.

Type NA-Schutz / Type of NS protection: Integrated NS protection (Zugeordnet zu Erzeugungseinheit Typ / Assigned to power generation unit of type: SUN2000-100KTL-M2, SUN2000-115KTL-M2)

Manufacturer of Integrated NS Protection: Xiamen Hengjia Electronic Co., Ltd.

Accreditation and Certification Bodies

The tests and certifications were performed by TÜV Rheinland, an accredited testing and certification body. The accreditation is confirmed by DAkkS (Deutsche Akkreditierungsstelle) under the number D-ZE-14169-01-02.

Certification Body: TÜV Rheinland LGA Products GmbH, Tillystraße 2, 90431 Nürnberg, Germany.

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