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BSI PD IEC TS 62257-9-5:2018

$215.11

Recommendations for renewable energy and hybrid systems for rural electrification – Integrated systems. Laboratory evaluation of stand-alone renewable energy products for rural electrification

Published By Publication Date Number of Pages
BSI 2018 388
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This part of IEC 62257, which is a Technical Specification, applies to stand-alone renewable energy products having the following characteristics:

  • All components required to provide basic energy services are sold/installed as a kit or integrated into a single component, including at a minimum:

    • A battery/batteries or other energy storage device(s)

    • Power generating device, such as a solar panel, capable of charging the battery/batteries or other energy storage device(s)

    • Cables, switches, wiring, connectors and protective devices sufficient to connect the power generating device, power control unit(s) and energy storage device(s)

    • Loads (optional), such as lighting, load adapter cables (e.g., for mobile devices), and appliances (television, radio, fan, etc.).

  • The PV module maximum power point voltage and the working voltage of any other components in the kit do not exceed 35 V. Exceptions are made for AC-to-DC converters that meet appropriate safety standards.

    NOTE This voltage limit corresponds to the definition of decisive voltage classification A (DVC-A) for wet locations in Table 6 of IEC 62109-1:2010.

  • The peak power rating of the PV module or other power generating device is less than or equal to 350 W.

  • No design expertise is required to choose appropriate system components.

This document was written primarily for off-grid renewable energy products with batteries and solar modules with DC system voltages not exceeding 35 V and peak power ratings not exceeding 350 W. The tests contained herein are capable in many cases of adequately assessing systems at higher voltages and/or power ratings. In situations where the specifying organization agrees to apply these tests to products with higher voltages and power ratings, the test laboratory is responsible for ensuring that adequate safety measures are employed to protect technicians and test equipment. The specifying organization is also responsible for defining the consumer safety requirements of these products.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
17 FOREWORD
20 INTRODUCTION
21 1 Scope
2 Normative references
23 3 Terms and definitions
27 4 Product components and characteristics
4.1 Components
4.1.1 Overview
28 4.1.2 Component categories
Figures
Figure 1 – Fixed indoor components and PV module – Example
29 Figure 2 – Fixed outdoor components with an indoor light point – Example
Figure 3 – Portable separate components – Example
30 4.1.3 Lighting parts definitions
Figure 4 – Portable integrated components – Example
31 4.1.4 Appliance definitions
Figure 5 – Division of a product into subsystems – Illustrative example
32 4.1.5 Additional system elements
4.2 System measurements and observations
4.2.1 General
4.2.2 Product design, manufacture, and marketing aspects
35 4.2.3 Product durability and workmanship aspects
38 4.2.4 Lighting durability aspects
4.2.5 Battery performance aspects
39 4.2.6 Solar module aspects
40 4.2.7 Electrical characteristics
41 4.2.8 Performance aspects
43 4.2.9 Light output aspects
44 4.2.10 Self-certification aspects
45 4.3 Constructions not specifically covered
5 Product specification
5.1 General
5.2 Applications
46 5.3 Quality assurance principles
5.4 Product specification framework description
5.4.1 General
Tables
Table 1 – Applications of product specifications
47 5.4.2 Product specification template
Table 2 – Qualification as separate PV module
48 Table 3 – Truth-in-advertising tolerance
49 Table 4 – Safety and durability standards
50 Table 5 – End user support standards
51 5.4.3 Tolerances
Table 6 – End user support requirements
52 5.4.4 Quality standards criteria
53 Table 7 – Truth-in-advertising criteria for quality standards
54 Table 8 – Remarks on common truth-in-advertising aspects
55 Table 9 – Safety and durability criteria for quality standards
57 5.4.5 Warranty requirements criteria
Table 10 – Recommended level of water protection by product category
Table 11 – End user support criteria for quality standards
Table 12 – Criteria for warranty standards
58 6 Quality test method
6.1 General
6.2 Applications
6.3 Sampling requirements
Table 13 – Applications of QTM results
59 6.4 Laboratory requirements
6.5 Testing requirements
61 Table 14 – QTM testing requirements
66 6.6 Recommended tests programme
6.6.1 General
67 Figure 6 – Recommended sequence of testing for QTM for products without ports
68 Figure 7 – Recommended sequence of testing for QTM for products with ports
69 6.6.2 Test preparation
6.6.3 Batch A tests
6.6.4 Batch B tests
6.6.5 Batch C – potentially destructive tests
70 6.6.6 Report preparation
6.7 Reporting
7 Market check method
7.1 General
71 7.2 Applications
7.3 Sampling requirements
Table 15 – Applications of MCM results
72 7.4 Laboratory requirements
7.5 Testing requirements
7.6 Recommended tests programme
7.7 Report requirements
73 8 Initial screening method
8.1 General
8.2 Applications
8.3 Sampling requirements
Table 16 – Applications of ISM results
74 8.4 Laboratory requirements
8.5 Testing requirements
8.6 Recommended tests programme
8.7 Reporting
9 Accelerated verification method
9.1 General
75 9.3 Sampling requirements
9.3.1 General
9.3.2 Verification entry testing
9.2 Applications
Table 17 – Applications of AVM results
76 9.3.3 Follow-up testing
9.4 Laboratory requirements
9.5 Testing requirements
9.5.1 General
77 9.5.2 Verification entry testing
9.5.3 Follow-up QTM testing
9.6 Recommended tests programme
9.7 Report requirements
78 10 Pay-as-you-go (PAYG) method
10.1 General
10.2 Applications
10.3 Sampling requirements
Table 18 – Applications of PAYG method results
79 10.4 Laboratory requirements
10.5 Testing requirements
80 10.6 Recommended tests programme
10.7 Reporting
Table 19 – PAYG testing requirements
81 Annexes
Annex A (informative) Reserved
82 Annex B (informative) Reserved
83 Annex C (informative) Reserved
84 Annex D (normative) Manufacturer self-reported information
D.1 Background
D.2 Outcomes
D.3 Solicited information
D.3.1 General
D.3.2 Confidential information (not released publicly)
Table D.1 – Manufacturer self-reported information outcomes
86 D.3.3 Public information (may be released publicly)
88 D.4 Reporting
89 Annex E (normative) Product sampling
E.1 Background
E.2 Test outcomes
E.3 Related tests
E.4 Procedure
E.4.1 Retail sampling
Table E.1 – Product sampling outcomes
90 E.4.2 Warehouse sampling
91 E.5 Reporting
93 Annex F (normative) Visual screening
F.1 Background
F.2 Test outcomes
F.3 Related tests
F.4 Procedure
F.4.1 Properties, features, and information
Table F.1 – Visual screening test outcomes
98 F.4.2 Specifications
101 F.4.3 Functionality and internal inspection
104 F.5 Reporting
108 Annex G (normative) Sample preparation
G.1 Background
G.2 Test outcomes
G.3 Related tests
G.4 Procedure
G.4.1 General
G.4.2 Equipment requirements
109 G.4.3 Test prerequisites
G.4.4 Procedure
Table G.1 – Recommended minimum conductor sizes for copper wire
112 G.4.5 Calculations
G.5 Reporting
Figure G.1 – Connections with secondary set of wires to avoid battery disconnection
113 Annex H (normative) Power supply setup procedure
H.1 Background
H.2 Test outcomes
H.3 Related tests
H.4 Equipment requirements
Table H.1 – Power supply setup test outcome
114 H.5 Setup procedure for photometric measurements and lumen maintenance tests
H.5.1 Test setup
Figure H.1 – Power supply setup for powering a power control unit
Figure H.2 – Power supply setup for directly powering an appliance
115 H.5.2 DC voltage and current levels
Table H.2 – Standard operating voltage for several common battery types
116 H.5.3 Stabilization period
H.5.4 4-wire power supply measurements
117 H.5.5 Filtering electronic noise
H.5.6 Troubleshooting
Figure H.3 – 4-wire test configuration with input filter capacitors
119 H.6 Reporting
Table H.3 – Voltage and current reporting requirements
120 Annex I (normative) Light output test
I.1 Background
I.2 Test outcomes
I.3 Related tests
Table I.1 – Light output test outcomes
121 I.4 Luminous flux measurement techniques
I.4.1 General
I.4.2 Calculation for lighting appliances tested according to IEC TS 62257-12-1
122 I.4.3 Luminous flux measurements with an integrating sphere or goniophotometer
I.4.4 Luminous flux measurements using the multi-plane method
123 Figure I.1 – Conceptual schematic of the light output test setup, including the 11 x 11 grid, Cartesian coordinate axes for rotation reference, and the DUT
125 I.5 Correlated colour temperature (CCT) measurement
I.6 Colour rendering index (CRI) measurement
I.7 Reporting
126 Annex J (normative) Lumen maintenance test
J.1 Background
J.2 Test outcomes
127 J.3 Related tests
J.4 Procedure
J.4.1 General
Table J.1 – Lumen maintenance test outcomes
128 J.4.2 Equipment requirements
Table J.2 – Measurement schedule for full screening test
Table J.3 – Measurement schedule for initial screening test
129 J.4.3 Test prerequisites
J.4.4 Test methods
130 J.5 Calculations
J.6 Alternate method for testing lumen maintenance using IESNA LM-80-08
J.6.1 Background
131 J.6.2 Equipment requirements
J.6.3 Test prerequisites
J.6.4 Procedure
132 J.6.5 DUT preparation and LED thermocouple attachment guidelines
J.6.6 Calculations
J.7 Reporting
134 Figure J.1 – Example lumen maintenance plot
135 Annex K (normative) Battery test
K.1 Background
K.2 Test outcomes
K.3 Related tests
K.4 Procedure
K.4.1 General
Table K.1 – Battery test outcomes
136 K.4.2 Lead-acid battery test
Table K.2 – Recommended battery testing parameters
139 K.4.3 Nickel-metal hydride battery test
140 K.4.4 Lithium-ion battery test
141 K.4.5 Lithium iron phosphate battery test
142 K.5 Reporting
143 Annex L (informative) Battery testing recommended practices
L.1 Background
L.2 Deep discharge protection specifications by battery type
144 L.3 Overcharge protection specifications by battery type
Table L.1 – Recommended battery deep discharge protection voltage specifications
Table L.2 – Recommended battery overcharge protection voltage and temperature specifications
145 Annex M (normative) Full-battery run time test
M.1 Background
M.2 Test outcomes
146 M.3 Related tests
M.4 Equipment requirements
Table M.1 – Full-battery run time test outcomes
147 M.5 Test prerequisites
M.6 Apparatus
148 M.7 Procedure
Figure M.1 – Interior view of photometer box with suspended light
151 M.8 Calculations
152 Figure M.2 – Plot of example results for a product with lighting appliances
153 M.9 Reporting
155 Annex N (normative) Full discharge preparation
N.1 Background
N.2 Test outcomes
N.3 Related tests
N.4 Procedure
N.4.1 General
N.4.2 Equipment requirements
N.4.3 Test prerequisites
156 N.4.4 Procedure
157 N.4.5 Calculations
N.5 Reporting
158 Annex O (normative) Grid charge test
O.1 Background
O.2 Test outcomes
O.3 Related tests
O.4 Procedure
O.4.1 General
O.4.2 Equipment requirements
Table O.1 – Grid charge test outcomes
159 O.4.3 Test prerequisites
O.4.4 Apparatus
O.4.5 Procedure
O.4.6 Calculations
160 O.5 Reporting
161 Annex P (normative) Electromechanical charge test
P.1 Background
P.2 Test outcomes
P.3 Related tests
P.4 Procedure
P.4.1 General
P.4.2 Equipment requirements
Table P.1 – Mechanical charge test outcomes
162 P.4.3 Test prerequisites
P.4.4 Apparatus
P.4.5 Procedure
P.4.6 Calculations
P.4.7 Modifications for atypical products
163 P.5 Reporting
164 Annex Q (normative) Photovoltaic module I-V characteristics test
Q.1 Background
Q.2 Test outcomes
Table Q.1 – Photovoltaic module I-V characteristics test outcomes
165 Q.3 Related tests
Q.4 Procedure
Q.4.1 Substitution of IEC 61215-2 test results
166 Q.4.2 Test programme using a solar simulator
168 Q.4.3 Outdoor photovoltaic module I-V characteristics test
169 Figure Q.1 – PV module IV curve testing rack
173 Q.5 Reporting
174 Annex R (normative) Solar charge test
R.1 Background
R.2 Test outcomes
R.3 Related tests
Table R.1 – Solar charge test outcomes
175 R.4 Procedure
R.4.1 General
R.4.2 Test method using a resistor network
177 Figure R.1 – Schematic of the power supply and DUT connectionfor the solar charge test
181 Figure R.2 – Example “true” and simulated I-V curves plotted with the deviation ratio
Table R.2 – Simulated solar day power supply settings
182 R.4.3 Test method using a solar array simulator (SAS)
183 R.4.4 Calculations
185 Figure R.3 – Example plots of current vs. time for four different DUT batteries
191 R.4.5 Alternative method to measure battery-charging circuit efficiency
192 R.5 Reporting
193 Figure R.4 – Example time series plot of the solar charging cycle showing the maximum power available from the PV simulator, actual power supplied by the PV simulator, and power delivered to the batteries
194 Figure R.5 – Example time series plot of the solar charging cycle showing the instantaneous battery-charging circuit efficiency and solar operation efficiency
195 Annex S (normative) Charge controller behaviour test
S.1 Background
S.2 Test outcomes
196 S.3 Related tests
S.4 Procedure
S.4.1 Active deep discharge protection test
Table S.1 – Charge controller behaviour test outcomes
198 S.4.2 Active overcharge protection test
199 Figure S.1 – Schematic of the DC power supply-DUT connection using a series protection resistor
202 S.4.3 Passive deep discharge protection test
204 S.4.4 Passive overcharge protection test
206 S.4.5 Standby loss measurement
207 S.5 Reporting
209 Annex T (normative) Light distribution test
T.1 Background
T.2 Test outcomes
Table T.1 – Light distribution test outcomes
210 T.3 Related tests
T.4 Substitution of results from IEC TS 62257-12-1
T.5 Approved test methods
T.5.1 General
Table T.2 – Summary of testing options for characterizing lamp distributions
211 Figure T.1 – Horizontal plane for determining FWHM angle and radial illuminance distribution, for an omnidirectional light point
212 Figure T.2 – Horizontal plane for determining FWHM angleand radial illuminance distribution, for a directed light point
213 T.5.2 Goniophotometer
T.5.3 Multi-plane method
216 Figure T.3 – Radial illuminance distributions in the horizontal plane for two example products, showing the calculation of the horizontal FWHM angle
217 T.5.4 Illuminance on a plane method
Figure T.4 – Radial illuminance distribution in the vertical plane for an example omnidirectional ambient light with vertical FWHM = 108°
218 Figure T.5 – Schematic of a task light suspended above an illuminance meter
220 T.5.5 Turntable method
221 Figure T.6 – Schematic of turntable setup, with the DUT shown
222 T.5.6 Illuminance on a desktop method
223 T.6 Reporting
Figure T.7 – Side view of desktop light measuring setup
225 Figure T.8 – Example plot of usable area as a function of minimum illuminance
Table T.3 – Table of example illuminance measurements on the brightest “face”of the 1 m2 grid and usable area as a function of minimum illuminance
226 Figure T.9 – Example of resulting surface plot of light distribution from the brightest “face” of the multi-plane method or illuminance on a plane method
227 Figure T.10 – Example of a polar plot of the radial illuminance distribution
228 Annex U (normative) Physical and water ingress protection test
U.1 Background
U.2 Test outcomes
Table U.1 – Water exposure and physical ingress protection test outcomes
229 U.3 Related tests
U.4 Procedure
U.4.1 General
U.4.2 IP testing at a laboratory that has been accredited to test according to IEC 60529
230 U.4.3 Simplified IP inspection for ingress of solid foreign objects
231 U.4.4 Simplified IP preliminary inspection for ingress of water with harmful effects
233 Figure U.1 – Side view of the apparatus for testing an external solar module for protection against water ingress
234 U.5 Reporting
235 Annex V (normative) Level of water protection
V.1 Background
V.2 Test outcomes
236 V.3 Related tests
V.4 Laboratory requirements
V.5 Procedure
V.5.1 General
Table V.1 – Water exposure and physical ingress protection test outcomes
237 V.5.2 Level of water protection for enclosure only
V.5.3 Level of water protection from technical aspects
Table V.2 – Enclosure-only level of water protection requirements
238 Table V.3 – Adjusted level of water protection for products with additional technical water protection
240 V.5.4 Overall level of water protection
Table V.4 – Example detailed assessment supporting technical level of water protection
Table V.5 – Overall level of water protection requirements
241 V.6 Reporting
243 Annex W (normative) Mechanical durability test
W.1 Background
W.2 Test outcomes
Table W.1 – Mechanical durability test outcomes
244 W.3 Related tests
W.4 Procedures
W.4.1 Drop test
245 Figure W.1 – Three-dimensional Cartesian coordinate system for drop test reference
246 W.4.2 Switch and connector test
247 W.4.3 Gooseneck and moving part test
248 W.4.4 Strain relief test
249 Figure W.2 – Cable strain angle (γ) schematics for a PV module junction box (left) and a separate light point (right)
250 W.5 Reporting
252 Annex X (informative) Reserved
253 Annex Y (informative) Photometer box for relative luminous flux measurements
Y.1 Background
Figure Y.1 – Interior view of a completed photometer box
254 Y.2 Plans
Figure Y.2 – Exterior view of completed photometer box
255 Figure Y.3 – Photometer box dimensions
256 Figure Y.4 – Photometer box assembly pieces and list of materials
257 Y.3 Instructions for construction
258 Annex Z (informative) Reserved
259 Annex AA (informative) Reserved
260 Annex BB (normative) Battery durability test
BB.1 Background
BB.2 Test outcomes
BB.3 Related tests
BB.4 Procedure
BB.4.1 Durability storage test for valve-regulated lead-acid batteries
Table BB.1 – Battery durability test outcomes
261 BB.4.2 Durability storage test for flooded lead-acid batteries
262 BB.4.3 Durability storage test for nickel-metal hydride batteries
263 BB.4.4 Durability storage test for lithium-ion batteries
264 BB.4.5 Durability storage test for lithium iron phosphate batteries
265 BB.5 Reporting
266 Annex CC (normative) Equipment requirements
CC.1 Overview
CC.2 Requirements and recommendations for equipment and materials
Table CC.1 – Symbols used in test method column of Table CC.2
267 Table CC.2 – Specifications for all required test equipment
277 CC.3 Guidelines for electrical power measurements
CC.3.1 Background
CC.3.2 Overview of DC power measurement
279 CC.3.3 Power measurement accuracy recommendations
280 CC.3.4 Additional guidelines and corrective measures
281 Annex DD (normative) Protection tests
DD.1 Background
DD.2 Test outcomes
Table DD.1 – Protection test outcomes
282 DD.3 Related tests
DD.4 Procedure
DD.4.1 Miswiring protection test
285 DD.4.2 Output overload protection test
288 DD.4.3 PV overvoltage protection test
289 Table DD.2 – Allowable port voltage limit by nominal voltage
292 DD.5 Reporting
294 Table DD.3 – Example table of miswiring protection test results
295 Table DD.4 – Example table of PV overvoltage test results
296 Annex EE (normative) Assessment of DC ports
EE.1 Background
EE.2 Test outcomes
Table EE.1 – DC ports assessment outcomes.
297 EE.3 Related tests
EE.4 Procedure
EE.4.1 Preparation
298 EE.4.2 Measurement of steady-state port characteristics
301 Figure EE.1 – Schematic of the example DUT with DC port and USB port and variable resistors connected for the measurement of steady-state port characteristics
307 Figure EE.2 – Example of the plots of port characteristics
308 EE.4.3 Dynamic measurement
309 Figure EE.3 – Schematic of the DUT with DC port and USB port and variable resistors connected for the dynamic measurement
310 Table EE.2 – Current pairs for dynamic test
311 Figure EE.4 – Illustration of stepped current waveform for procedure 2
Figure EE.5 – Example time series plot of voltage and current showing a step increase in current and the resulting voltage undershoot
312 EE.4.4 Summary calculations
EE.4.5 Pass/fail tests for functionality and truth in advertising
Figure EE.6 – Example time series plot of voltage and current showing a step decrease in current and the resulting voltage overshoot
313 Table EE.3 – Recommended voltage and current rangesfor port functionality assessment
314 Figure EE.7 – Illustration of functionality assessment
316 EE.5 Reporting
Figure EE.8 – Typical configuration of USB port data lines
Figure EE.9 – Pin configuration of type A receptacle
318 Annex FF (normative) Appliance tests
FF.1 Background
FF.2 Appliance testing requirements
319 Table FF.1 – Appliance testing requirements
320 FF.3 Test outcomes
Table FF.2 – Appliance test outcomes
321 FF.4 Related tests
FF.5 Setup and determination of appliance operating voltage
FF.5.1 General
322 FF.5.2 Procedure using the power control unit
323 FF.5.3 Procedure using a power supply
324 FF.6 Power consumption test
FF.6.1 General
FF.6.2 General equipment requirements
FF.6.3 Procedure for appliances that have been previously tested according to a recognized test method
326 FF.6.4 Test procedure for LED or CFL lighting appliances without an internal battery
327 FF.6.5 Test procedure for television sets without internal batteries
328 FF.6.6 Test procedure for radios without internal batteries
329 FF.6.7 Test procedure for fans, motor-driven appliances, and other appliances without internal batteries
330 FF.6.8 Test procedure for appliances with an internal battery
332 FF.7 Charging efficiency test
FF.7.1 General
FF.7.2 Equipment requirements
FF.7.3 Test prerequisites
FF.7.4 Procedure
333 FF.7.5 Calculations
FF.8 Appliance operating voltage range test
FF.8.1 General
334 FF.8.2 Equipment requirements
FF.8.3 Test prerequisites
FF.8.4 Simultaneous testing for multiple products and applicability of previous test results
335 FF.8.5 Procedure for appliances without batteries that have been tested according to a recognized test method
336 Figure FF.1 – Illustration of calculation of minimum and maximum values of port voltage for the appliance operating voltage range test
337 FF.8.6 Procedure for appliances without an internal battery
338 FF.8.7 Procedure for appliances with internal batteries
339 FF.9 Appliance full-battery run time test with deep discharge protection measurement
FF.9.1 General
FF.9.2 Equipment requirements
FF.9.3 Test prerequisites
FF.9.4 Apparatus
340 FF.9.5 Procedure
342 FF.9.6 Calculations
343 FF.10 Reporting
344 Table FF.3 – Example table of appliance operating voltage, measured voltage, measured current, and calculated power
345 Annex GG (normative) Energy service calculations
GG.1 Background
346 GG.2 Test outcomes
Figure GG.1 – Conceptual energy flow diagram for energy service estimates
347 GG.3 Related tests
Table GG.1 – Energy service calculations outcomes
348 GG.4 Procedure
GG.4.1 Full-battery run time energy service calculations
350 Table GG.2 – Examples of advertised combinations involving mobile devices
352 Table GG.3 – Required inputs to estimate the full-battery run time(s)
354 Table GG.4 – Example usage profile
362 GG.4.2 Solar run time energy service calculations
363 Table GG.5 – Required inputs to estimate the solar run time
364 Table GG.6 – Representative case for appliance usage when solar charging
379 GG.4.3 Grid or electromechanical run time energy service calculations
GG.4.4 Solar charging time calculation
380 GG.5 Reporting
382 Annex HH (normative) Generic appliances
HH.1 Background
HH.2 Test outcomes
HH.3 Related tests
HH.4 Equipment requirements
383 HH.5 Procedures
HH.5.1 Constructing generic appliances
Table HH.1 – Power consumption chart for generic appliances
385 HH.5.2 Appliance reference values
HH.6 Reporting
Table HH.2 – Energy capacity of generic appliances with internal batteries
386 Bibliography
BSI PD IEC TS 62257-9-5:2018
$215.11