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BS EN 62253:2011

BS EN 62253:2011

$142.49

Photovoltaic pumping systems. Design qualification and performance measurements

Published By Publication Date Number of Pages
BSI 2011 30
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This International Standard defines the requirements for design, qualification and performance measurements of photovoltaic pumping systems in stand-alone operation. The outlined measurements are applicable for either indoor tests with PV generator simulator or outdoor tests using a real PV generator. This standard applies to systems with motor pump sets connected to the PV generator directly or via a converter (DC to DC or DC to AC). It does not apply to systems with electrical storage unless this storage is only used for the pump start up (< 100 Wh).

The goal is to establish a PV pumping system design verification procedure according to the specific environmental conditions. This Standard addresses the following pumping system design features:

  • Power vs. flow rate characteristics at constant pumping head

  • Pumping head vs. flow rate characteristics at constant speed

  • System design parameters and requirements

  • System specification

  • Documentation requirements

  • System design verification procedure

The object of this standard is to establish requirements in order to be able to verify the system performance characteristics of the PV pumping system. For this purpose the test set-up is outlined, the measurements and deviations to be taken are defined and a checklist for the data mining is established.

PDF Catalog

PDF Pages PDF Title
7 English

CONTENTS
9 FOREWORD
11 1 Scope and object
2 Normative references
12 3 Terms, definitions, system-types and -parameters
3.1 Terms and definitions
13 3.2 System-types and -parameters
Tables

Table 1 – Categories of PV pumping systems for the purposes of testing
14 Figures

Figure 1 – Schematic of system types for the purposes of testing (In case C, Vm and Im may be electronically commutated voltage and current)
15 4 Requirements for system components
4.1 General
4.2 Relations to other standards
Table 2 – Definition of the parameters
16 5 Performance measurement
5.1 General
5.2 Test set-up
18 5.3 Pumping system performance tests
Figure 2 – Example of PV pump test circuit in the lab
19 Figure 3 – Example of a P-Q diagram
20 Figure 4 – Example of an H-Q diagram for the same pump at different rotational speeds
21 6 Design qualification for a pumping system
6.1 General
6.2 Customer data
22 6.3 System characteristics
Table 3 – Pressure in bars for equivalent heads of water
23 6.4 Dimensioning of hydraulic equipment
6.5 Documentation
24 6.6 Design check of the PV pumping system in respect to the daily water volume
6.7 Recording of the measured parameters
25 Table 4 – Core and optional parameters to be measured and recorded
26 Annex A (informative)
Performance diagram, component characteristics and definitions
Figure A.1 – System performance for a centrifugal pumping system

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BS EN 62253:2011
$142.49