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Further Readings

PV Green Card Installer – SAPVIA

The PV GreenCard has been developed to promote safe and high-quality Solar PV installations.

BSc (QS) 1992

Obtained BSc (QS) in 1992 from The University of Pretoria and Diploma in Project Management in 1995

AREP PQRS P4 Quality platform

AREP PQRS P4 is geared towards the growth and development of the PV sector into South Africa and Africa.

Additional Qualifications

Additional Qualifications acquired by Lyndsay Cotton

Lightning Protection Practitioners

The Lightning Protection Practitioners Association.

 

An overview of International and South African standards and guidelines for PV installations.

Maximum Inverter size

SAPVIA-PV Green card Sample

Tshwane: SSEG Application

Standard – NRS 097-2-1: 2010 Part 2

CSIR – A Guideline for cost-efficient procurement of photovoltaic assets: 2014

Standard – NRS 097-2-3: 2014 Part 3

SANS 10142-1 : The wiring of premise

SANS 10142-1-2 : The wiring of premise part 1-2 (draft)

NRS Documents

Earthing and bonding cables

  • Earthing and bonding cables shall have a minimum cross-sectional area of 6mm2
  • Where positive and negative live conductors exceed 6mm2, the earthing and bonding conductors shall have a minimum cross-sectional size conductor. equal to the positive and negative live conductors.
    This means – PV cables are 4mm2, 6mm2, 10mm2 or thicker. One may not install earthing conductors less than 6mm2; Installations with 1.5mm2, 2.5mm2  or 4mm2  earthing conductors are illegal.

PV Array system

The voltage rating of the PV array system shall be the maximum open-circuit array voltage at the lowest operating temperature.
This means – let’s say a charge controller has a maximum input voltage of 450 volts and a PV module is say 50 volts. This voltage is listed at STC which is 25°C  voltage increase as it gets colder.
Thus, installing 9 PV modules @ 50 volts which is equal to 450 volts would not be good practice.

Verification and Testing

Every user or lessor of an EGI shall have a valid CoC for every such installation. A CoC shall only be valid when it is accompanied by a test report in the format as specified in this document and SANS 10142-1.
This means – That, apart from the specific requirements in SANS 10142-1, when you install a PV system you are required BY LAW to obtain a NEW CoC for the part of the Installation affected by the changes.

T’s&C’s

LCP Solar, in accordance with legislation, is a registered electrical contractor.

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