CNO - Acuerdo 2161 de 2026 - Anexo 3

CNO - Consejo Nacional de Operaciones

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Título: CNO - Acuerdo 2161 de 2026 - Anexo 3
Autor: CNO - Consejo Nacional de Operaciones
Categoría: Infralegal
Área del derecho: Servicios Públicos
Año: 2026

SG1100UD IEC62910 TEST REPORT

PUERTA DE ORO

Engineering & Construction

D. Tang

L.Chamorro I. Li

COLLABORATORS VERIFIED BY VALIDATED BY

CODIGO GRE REVISION PDO00 UNI IN E PV EL RL 4 0 0 6 0 A

CLASSIFICATION:

FOR VALIDATION

UTILIZATION

SCOPE:

FOR CONSTRUCTION

REV

DESCRIPCIÓN

ELABORADOR

REVISOR

APROBADOR

FECHA 0A Sent for Revision D. Tang L.Chamorro A. Paradas 19/07/2024Project No: 70.409.22.115.09-01

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Date: 2023-04-26

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http://www.tuv -sud.cn TÜ V SÜ D Certification and Testing (China) Co., Ltd. Guangzhou Branch, TÜ V SÜ D Group 5F, Communication Building, 163 Pingyun Rd, Huangpu Ave. West, Guangzhou, 510656, P.R.China

TEST REPORT

IEC TS 62910:2020

TUV SUD Test report for Utility-interconnected photovoltaic inverters – Test procedure for under voltage ride-through measurements Report reference No: 70.409.22.115.09-01

Date of issue: 2023-04-26

Project handler: Min Zeng, Jianyong Li Testing Laboratory: TÜV SÜD Certification and Testing (China) Co., Ltd. Guangzhou Branch

Report reference No: 70.409.22.115.09-01

Date of issue: 2023-04-26

Project handler: Min Zeng, Jianyong Li Testing Laboratory: TÜV SÜD Certification and Testing (China) Co., Ltd. Guangzhou Branch Address: TÜV SÜD Testing Center, D1 building, No. 63 Chuangqi Road, Shilou

Town, Panyu District, Guangzhou 511447, China

Testing location: Sungrow Power Supply Co., Ltd.

No. 1699 Xiyou Road, New & High, Technology Industrial Development Zone, 230088 Hefei, Anhui, People’s Republic of China

Client: Sungrow Power Supply Co., Ltd.

Client number: 073342

Address: No. 1699 Xiyou Road, New & High, Technology Industrial Development

Zone, 230088 Hefei, Anhui, People’s Republic of China Contact person: Mr. Wei Chen Standard: This TUV SUD test report form is based on the following requirements:

IEC TS 62910:2020

TRF number and revision: TRF IEC TS 62910:2020 Rev.0

TRF originated by: TUV SUD Product Service, Mr. Billy Qiu eDoc_ID: N/A Copyright blank test report: This test report is based on the content of the standard (see above). The test report considered selected clauses of the a.m. standard(s) and experience gained with product testing. It was prepared by TÜV SÜD Product Service GmbH.

TUV SUD Group takes no responsibility for and will not assume liability for damages resulting from the reader’s interpretation of the reproduced material due to its placement and context.

General disclaimer: This test report may only be quoted in full. Any use for advertising purposes must be granted in writing. This report is the result of a single examination of the object in question and is not generally applicable evaluation of the quality of other products in regular production.

Scheme: ☐ TUV Mark without certification

in writing. This report is the result of a single examination of the object in question and is not generally applicable evaluation of the quality of other products in regular production.

Scheme: ☐ TUV Mark without certification

☐ AoC/CoC for EU-Directive / EURegulation: ☐ GS Mark ☐ NRTL Mark ☐ other: Non-standard test method: No ☐ Yes, see details under Summary of testing National deviations: N/A Number of pages (Report): 91 Number of pages (Attachments):

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Test sample: Engineering prototype Type of test object: GRID-CONNECTED PV INVERTER

Trademark:

Model and/or type reference: SG1100UD, SG1100UD-20 Rating(s): See rating labels

Manufacturer: Sungrow Power Supply Co., Ltd.

Manufacturer number: 073342

Address: No. 1699 Xiyou Road, New & High, Technology Industrial Development Zone, 230088 Hefei, Anhui, People’s Republic of China Name and address of factory(ies)

Sungrow Power Supply Co., Ltd.

No.1699 Xiyou Rd., New & High Technology Industrial Development Zone, 230088, Hefei, P. R. China

Sungrow Power Supply Co., Ltd.

No. 608 Changning Avenue, New & High Technology Industrial Development Zone, Hefei 230088 P.R. China 3) Sungrow Developers (India) Private Limited Survey No.250/3, T-Begur Village, Kasaba Hobli, Nelamangala Taluk, Bangalore, Karnataka-562123, India Note: Type verification of conformity, no FI required. Sub-contractors/ tests (clause): N/A Name: N/A Order description…: Complete test according to TRF Partial test according to manufacturer's specifications Preliminary test Spot check Others (Evaluation based on the modifications)

Date of order: 2023-04-25

Date of receipt of test item: Date(s) of performance of test: 2022-06-17, 2023-04-25 2022-07-15 to 2022-08-02 (Original test)

Date of order: 2023-04-25

Date of receipt of test item: Date(s) of performance of test: 2022-06-17, 2023-04-25 2022-07-15 to 2022-08-02 (Original test) 2023-04-25 (Evaluation based on the modifications)Project No: 70.409.22.115.09-01

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Test item particulars: Engineering prototype Purpose of the product This devices is a transformer-less grid-connected PV inverter which converts direct current optimized by

photovoltaic DC conditioner to alternating current, and it is intended to be connected in parallel with the HV grid via step-up transformer. It is intended for professional incorporation into PV system, and It is assessed on a component test basis. Software/Firmware version: DSP_OPAL-C_V1_A Characteristic data

Models SG1100UD SG1100UD-20 DC Input Max. Input Voltage 1500 V d.c. Min. MPP Voltage 895 V d.c. 938 V d.c. Max. MPP Voltage 1500 V d.c. Max. Input Current 1435 A d.c. Isc PV 3528 A d.c. AC Output Rated Output Power 1100 kW 1100 kW Max. Output Power 1265 kVA 1320 kVA Rated Output Voltage 3~, 630 V a.c. 3~, 660 V a.c.

Isc PV 3528 A d.c. AC Output Rated Output Power 1100 kW 1100 kW Max. Output Power 1265 kVA 1320 kVA Rated Output Voltage 3~, 630 V a.c. 3~, 660 V a.c. Max. Output Current 1160 A a.c. 1155 A a.c. Rated Output Frequency 60 Hz Power Factor Range [-0,8... +0,8]Project No: 70.409.22.115.09-01

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Attachments: N/A If additional information is necessary, please provide

N/A

Copy of marking plate:

Marking plate material: pressure-sensitive unprinted label stocks stamped into aluminium surface; Suitable for outdoor use with respect to exposure to Ultraviolet Light, Water Exposure and thermal transfer printed label stock applications, -60° C to 95° C An additional PET film provided to cover label.

UVRT has been tested and evaluated on basis of rated grid voltage 3~, 660 V, 60Hz according to the grid code on page 1 on representative model SG1100UD-20; Interface protection settings is limited to authorized installer, password and seal provided to protect these from unpermitted interference. Inverters with multi-frequency ratings are available in difference versions based on output voltages and frequencies, the ratings on which the testing has been based was identified on paper tag and control panel.

Picture of the product: Representative model: SG1100UD-20

from unpermitted interference. Inverters with multi-frequency ratings are available in difference versions based on output voltages and frequencies, the ratings on which the testing has been based was identified on paper tag and control panel.

Picture of the product: Representative model: SG1100UD-20

Front view Rear viewProject No: 70.409.22.115.09-01

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Summary of testing: deviation(s) found no deviations found This Technical Specification IEC TS 62910:2020 provides a test procedure for evaluating the performance of Under Voltage Ride Through (UVRT) functions in inverters used in utility-interconnected PV systems.

The technical specification is most applicable to large systems where PV inverters are connected to utility HV or EHV transmission systems. However, the applicable procedures may also be used for LV installations in locations where evolving UVRT requirements include such installations.

Full tests according to this technical specification were conducted on model SG1100UD-20. Assessment criteria according to the Saudi Arabian Grid Code:2022 and THE TECHNICAL REQUIREMENTS FOR CONNECTING NEW GENERATION TO THE TRANSMISSION SYSTEM:2018 (EHV -NPD-DC-14-10808022) is requested by manufacturer.

1. Test reference curve:

2. Test with K-factor=2

Additional information on non-standard test method(s)

Sub clause: N/A

Page: N/A

Rational: N/AProject No: 70.409.22.115.09-01

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Possible test case verdicts: - test case does not apply to the test object ................. : N(.A.) / not included in the order - test object does meet the requirement....................... : P(ass) - test object does not meet the requirement ................ : F(ail) Possible suffixes to the verdicts: - suffix for detailed information for the client…………: - C(omment) - suffix for important information for factory inspection...: - M(anufacturing) General remarks: "(see remark #)" refers to a remark appended to the report. "(see appended table)" refers to a table appended to the report.

suffix for detailed information for the client…………: - C(omment) - suffix for important information for factory inspection...: - M(anufacturing) General remarks: "(see remark #)" refers to a remark appended to the report. "(see appended table)" refers to a table appended to the report.

Throughout this report a comma is used as the decimal separator. The test results presented in this report relate only to the object tested. This report shall not be reproduced except in full without the written approval of the testing laboratory.

Report revision history: First revision: Original test report ref. No. 70.409.22.115.09-00 dated on 2022-08-15 was updated and replaced by test report ref. No. 70.409.22.115.0901 dated on 2023-04-26 due to the following reasons as below: a) Change the parameter of Isc PV from 5000 Ad.c. to 3528 Ad.c.; b) Change the dimensions (W×H×D) from 700×2140×1690 mm to 700×2290×1525 mm; c) Delete model SG1100UD-21.

No changes of the AC output parameters and electric construction after technical review, no additional tests is required for compliance with this standard. All test data are extracted from original test report ref. No. 70.409.22.115.09-00 directly.IEC TS 62910:2020 Clause Requirement − Test Measuring result − Remark Verdict

Project No: 70.409.22.115.09-01

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http://www.tuv -sud.cn TÜ V SÜ D Certification and Testing (China) Co., Ltd. Guangzhou Branch, TÜ V SÜ D Group 5F, Communication Building, 163 Pingyun Rd, Huangpu Ave. West,

device. P Accuracy of the oscilloscope or data acquisition system should be at least 0,2 % of full scale. Noticed P The analogue to A/D of the measurement device shall have at least 12 bit resolution (in order to maintain the required measurement accuracy). P Voltage transformers and current transformers are the required sensors for measurement.

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The accuracy of the transducers should be 0,5 % of full scale or better. Noticed P The selected measuring range shall not exceed 150 % of the normal value of the measured signal. P

Meeting this requirements P 4.3.2 DC source P A PV array, PV array simulator or controlled DC source with PV characteristics may be used as the DC power source to supply input energy for the UVRT test. PV simulator used P As the EUT input source, the DC power source shall be capable of supplying the EUT maximum input power and other power levels during the test, at minimum and maximum input operating voltages of the EUT. P The PV simulator should emulate the current/voltage characteristic of the PV module or PV array for which the EUT is designed. The response time of a PV simulator should not be

4 Test circuit and equipment P 4.1 General Network simulator was used for evaluation, and voltage magnitude and phase angles were changed in some conditions P The circuits and equipment described in this clause are developed to allow tests that simulate the full range of anticipated grid faults, including: P • Single phase to ground fault (any phase) P • Two phase isolated fault, between any two phases. P • Two phase grounded fault, involving any two phases. P • Three phase short-circuit fault. P A full discussion of these faults and the resulting impact on voltage magnitude and phase angles is included in Annex A. Noticed and referred. P The short circuit emulator and grid simulator described in 4.3.3 and 4.3.4 are informative examples and are not intended to restrict design flexibility. Other designs may be used to achieve equivalent test functionality. N/A 4.2 Test circuit Network simulator was used P The UVRT test circuit includes a DC source, the EUT, a grid fault simulator and the grid. P

P 4.3 Test equipment P 4.3.1 Measuring instruments P Waveforms shall be measured by a device with memory function, for example, a storage or digital oscilloscope, or a high speed data acquisition device. P Accuracy of the oscilloscope or data acquisition system should be at least 0,2 % of full scale. Noticed P The analogue to A/D of the measurement device shall have at least 12 bit resolution (in order to maintain the required measurement accuracy).

input power and other power levels during the test, at minimum and maximum input operating voltages of the EUT. P The PV simulator should emulate the current/voltage characteristic of the PV module or PV array for which the EUT is designed. The response time of a PV simulator should not be longer than the MPP tracking response time of EUT. P For a EUT under test without galvanic isolation between the DC side and AC side, the output of the PV simulator shall not be earthed. P The equivalent capacitance between the output of the PV simulator and earth should be as low as possible in order to minimize the impact on the EUT. P A PV array used as the EUT input source shall be capable of matching the EUT input power levels specified by the test conditions. It is necessary to select a period of time in which the solar irradiance is stable and does not vary by more than 5 % during the test. PV simulator was used N/A 4.3.3 Short-circuit emulator Network simulator was used N/A As part of the grid simulator device, the shortcircuit emulator is used to create the voltage drops due to short-circuits between the two or three phases, or between one or two phases to ground, via the impedance network Z1 and Z2 as shown in the test device layout in Figure 2.

N/AIEC TS 62910:2020

Clause Requirement − Test Measuring result − Remark Verdict

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http://www.tuv -sud.cn TÜ V SÜ D Certification and Testing (China) Co., Ltd. Guangzhou Branch, TÜ V SÜ D Group

Telephone : +86 20 38320668

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the three phases in terms of amplitude and phase angle. b) It shall incorporate impedances ZA, ZB and ZC, that can be adjusted in order to reproduce the ohmic and inductive components of shortcircuit impedances that are typical of the grid. N/A c) It shall be capable of reproducing the phase voltages and relative phase angles that occur on the LV side of transformers in the event of each of the various fault types. (See Annex A for the vector representations for each fault). P

P If the programmable voltage source is a bidirectional, controlled output voltage type and is capable of replicating the influence of short-circuit impedances typical of the grid, the impedances ZA, ZB, ZC may be omitted. P 5 Test P 5.1 Test protocol P The UVRT test protocol is designed to verify that the EUT responds appropriately to voltage drops (due to grid faults). P During the test, the EUT shall demonstrate that it can: P • Appropriately detect the simulated fault. P • Ride through the event and continue operation as specified in the applicable curves. P • Not suffer any damage from the event. P The response to the voltage drop specified in Table 3 shall be recorded over the EUT operating period with two output power ranges: P a) between 0,1 Pn and 0,3 Pn; P b) above 0,9 Pn; P and with two fault conditions: P c) three-phase drop; P

period with two output power ranges: P a) between 0,1 Pn and 0,3 Pn; P b) above 0,9 Pn; P and with two fault conditions: P c) three-phase drop; P d) two-phase drop or single-phase drop. P The tests should be carried out at least twice at PIEC TS 62910:2020 Clause Requirement − Test Measuring result − Remark Verdict

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each test point listed in Table 3.

P 5.2 Test curve P The UVRT response characteristic shall meet the requirements of the UVRT curve specified by different countries and regions as needed. An example UVRT curve is shown in Figure 4. Assessment curve and criteria according to the Saudi

Arabian Grid Code: 2022 and

THE TECHNICAL

REQUIREMENTS FOR

CONNECTING NEW

GENERATION TO THE TRANSMISSION SYSTEM:2018 (EHV-NPDDC-14-108-08022) is requested by manufacturer

PIEC TS 62910:2020

Clause Requirement − Test Measuring result − Remark Verdict

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N/A The example curve shows that the EUT should keep operating during operating conditions indicated in the area above the UVRT curve. N/A Specifically, the EUT should keep operating for (t1 – t0) seconds without disconnecting from the grid when the interconnection voltage drops to 0 % of rated voltage; for (t2 – t0) seconds when the voltage drops to 30 % of rated voltage; and for (t3 – t0) seconds when the voltage drops to 70 % of rated voltage. N/A The EUT should disconnect from the grid during operating conditions indicated within the shaded areas. N/A The example shows three types of points on the UVRT curve: the lowest point and the inflection point. Tests shall be carried out at above types of points. N/A 5.3 Test procedure P 5.3.1 Pre-test P Prior to the fault simulation tests, the EUT should run in normal operating mode. P The selected UVRT curve should be used to identify voltage drop points, including the lowest point and the inflection point, as well as other random points in the curve. P Selection of the drop time should follow the requirement of the applicable country or region.

P The selected UVRT curve should be used to identify voltage drop points, including the lowest point and the inflection point, as well as other random points in the curve. P Selection of the drop time should follow the requirement of the applicable country or region. P 5.3.2 No-load test P Prior to the load test, adjust the fault emulator to simulate symmetrical and asymmetrical voltage drops without EUT connection, and validate that the measured results are as intended. This step ensures that the amplitude of voltage and drop duration can match the requirements in Figure 5. P 5.3.3 Tolerance PIEC TS 62910:2020 Clause Requirement − Test Measuring result − Remark Verdict

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The tolerances for drop depth and duration during the no-load test shall meet the requirement of Figure 5. P The tolerance for voltage magnitude is ± 5 % of rated voltage for the period before and during the voltage drop. P The tolerance for voltage magnitude is ± 10 % of rated voltage during the period after voltage is recovered. P The tolerances must be measured between 0 and +5 % of rated voltage for the lowest point and the inflection point under no-load conditions, and the tolerances shall be measured between −5 % and 0 of rated voltage for the highest point under norecovered. P The tolerances must be measured between 0 and +5 % of rated voltage for the lowest point and the inflection point under no-load conditions, and the tolerances shall be measured between −5 % and 0 of rated voltage for the highest point under noload conditions. P The duration of each voltage drop is determined according to the requirements of the applicable UVRT curve. The tolerance range for both drop duration and rise time prefers 40 ms. P

P 5.3.4 Load test P Tests under load shall be carried out after the noload test results successfully meet the performance requirements. The parameters of the grid fault simulator should be consistent with the no-load test. P With the EUT connected to the grid fault simulator device and the PV simulator(or PV array), the output power should be set to (0,1 -0,3)Pn and above 0,9Pn separately. P Additional load tests at other power levels should be performed as determined by the specific country or regional requirements. P During the UVRT test, MP1, MP2, and MP3 (shown in Figure 1) shall be selected as the test points for measuring and recording the values of

PIEC TS 62910:2020

Clause Requirement − Test Measuring result − Remark Verdict

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TÜ V SÜ D Certification and Testing (China) Co., Ltd. Guangzhou Branch, TÜ V SÜ D Group 5F, Communication Building, 163 Pingyun Rd, Huangpu Ave. West, Guangzhou, 510656, P.R.China

voltage and current. The waveform and data of the measured voltage and current at the measuring points shall be recorded by the data acquisition device from time A prior to the voltage drop to time B after the subsequent voltage rise. P For “A” and “B”, specific data should be determined by different countries or regions. P 6 Assessment criteria P The various assessment criteria is determined by the requirements of the different countries or regions. The characteristics and performance criteria for utilization are shown in Annex B, and can be referenced by a local user. P Annex A Circuit faults and voltage drops P A.1 Fault types Noticed P The grid faults of high voltage power transmission line are commonly divided into four different types: single-phase grounded fault, two-phase short circuit fault, two-phase grounded fault, and three-phase short circuit fault. P The most common one is the single-phase grounded fault, which accounting for over 90 % of the total number of the faults. P Considering the different fault phases, the short circuit paths for all types of fault are shown in Table A.1. P

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Clause Requirement − Test Measuring result − Remark Verdict

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A.2 Voltage drops Noticed P A.2.1 General P When a fault occurs, the voltage amplitude in the faulted phase should be decreased. P When a fault occurs between two phases, the phase angle should be changed on inverter output side. P Due to the different types of line-transformer connections, the magnitude and phase of inverter AC voltage will vary. Figure A.1 shows the circuit topology under the fault condition. P

P As indicated in Table A.1, the value of fault phase PIEC TS 62910:2020 Clause Requirement − Test Measuring result − Remark Verdict

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Guangzhou, 510656, P.R.China

voltage at the fault point is zero. (If the grid fault type is two-phase short circuit fault without ground, the line voltage between two fault phases should be zero.) Because PCC is the common connection point of the infinite grid, Zi, between the fault point and PCC could be treated as infinite. The voltage drop amplitude and phase deviation in PV inverter AC side have been determined by the value of Zp and type of transformer. P The transformer “T” represents the voltage and phase transformation being equivalent to all the transformers between the fault point and the PV inverter, because one or more transformers are connected. P The equivalent transformer “T” has only two types-Y/Y or Y/Δ. In order to simplify the analysis, the transformer windings could be considered as one of two types, Yn/Yn12 and Δ/Yn11, with a ratio of 1. As declared for its application by manufacturer, transformer type of Y/Y taken into consideration P NOTE 1 In this test specification, the example circuit is a three-phase system with floating neutral point and no electrical loads. P A.2.2 Three-phase short-circuit fault Noticed P Figure A.2 illustrates the change in inverter AC voltage magnitude and phase when a threephase short-circuit fault occurs: P

P Figure A.2(a) shows the angle and phase state with a Yn/Yn12 transformer connection. Figure A.2(b) shows the angle and phase state with a Δ/Yn11 transformer connection. The corresponding relationship between the fault phase and the other two phases is shown in the following Table A.2. P

PIEC TS 62910:2020

Clause Requirement − Test Measuring result − Remark Verdict

Δ/Yn11 transformer connection. The corresponding relationship between the fault phase and the other two phases is shown in the following Table A.2. P

PIEC TS 62910:2020

Clause Requirement − Test Measuring result − Remark Verdict

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http://www.tuv -sud.cn TÜ V SÜ D Certification and Testing (China) Co., Ltd. Guangzhou Branch, TÜ V SÜ D Group 5F, Communication Building, 163 Pingyun Rd, Huangpu Ave. West, Guangzhou, 510656, P

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