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TSA High Voltage Electrical Inspection Report v1.0
TSA High Voltage Electrical Inspection Report v1.0
Matt Carmichael

TSA High Voltage Electrical Inspection Report v1.0

TechSafe Electrical Inspection Report

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Free TSA High Voltage Electrical Inspection Report v1.0 Checklist

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  • Document No.

High Voltage Electrical Inspection Report

  • Date

  • Customer Name

  • Address

  • COES No

  • Meter No

  • Inspection in response to:

    • Audit of Recent Electrical wiring Work
    • Report of Defective Electrical installation
    • Prescribed Inspection

  • Items detailed below require:

    • Immediate Attention
    • Rectification
    • Rectification within 14 days
    • Notification of Network Operator for Reconnection of Supply

  • Defect Notice forwarded to:

    • Energy Safe Victoria
    • Registered Electrical Contractor
    • Electricity Network Operator
    • Managing Agent

  • Inspection of the electrical wiring and/or equipment detailed above revealed that the following items are in need of attention to ensure the safety and compliance of the electrical installation.

    Please note that Section 43 of the Electricity Safety Act 1998 imposes an obligation on the occupier of any premises in which there is unsafe wiring or equipment, to cause that wiring or equipment to be removed or made safe, or to notify the owner of the premises who then has a corresponding obligation. Substantial penalties may apply for failure to comply with the Act.

    A suitably qualified electrical worker should be engaged to attend to these items as soon as practicable.

Details and Reference

  • Details

  • Note: The items detailed above were identified during an inspection of the wiring or equipment on the date indicated. The inspection involved visual examination and application of electrical tests to ascertain the suitability of the apparatus and/or wiring for normal use. With many components inaccessible, inspection and testing of the electrical installation is necessarily limited in scope and it is not implied that other wiring or equipment is free of defects.

  • Report prepared for TechSafe Australia Pty Ltd by:

  • Licensed electrical Inspector No:

  • Techsafe Australia Pty Ltd
    PO Box 33 Glen Waverley Vic 3150
    (03) 8558 0100
    Email: techsafe@techsafe.com.au
    www.techsafe.com.au

HV Pre-inspection / Documentation Review

  • ESV exemptions or part 1 solutions

Earthing Study in accordance with AS2067:2016 cl 5.1.3

  • Earthing Study reflects installation as built

  • Please ensure up-to-date instructions, diagrams and data are available to persons operating, in charge of work or working in electrical areas, to ensure proper and safe control of equipment and isolation for working in accordance with AS2067:2016 Cl 5.1.3 & 8.4.1

  • Grid conductor size mm^2

  • Riser Conductor Size mm^2

  • M.E.N size mm^2

  • Map, including underground cable locations accurate to 200mm in accordance with AS2067:2016 cl 5.1.3

  • Please ensure up-to-date instructions, diagrams and data are available to persons operating, in charge of work or working in electrical areas, to ensure proper and safe control of equipment and isolation for working in accordance with AS2067:2016 Cl 5.1.3 and Electrical Safety Regulation

  • Single Line Diagrams in accordance with AS2067:2016 cl 5.1.3

  • Please ensure up-to-date instructions, diagrams and data are available to persons operating, in charge of work or working in electrical areas, to ensure proper and safe control of equipment and isolation for working in accordance with AS2067:2016 Cl 5.1.3

  • Protection Study in accordance with AS2067:2016 cl 5.1.3

  • Please ensure up-to-date instructions, diagrams and data are available to persons operating, in charge of work or working in electrical areas, to ensure proper and safe control of equipment and isolation for working in accordance with AS2067:2016 Cl 5.1.3

  • Lightning Study in accordance with AS2067:2016 cl 5.1.3

  • Please ensure up-to-date instructions, diagrams and data are available to persons operating, in charge of work or working in electrical areas, to ensure proper and safe control of equipment and isolation for working in accordance with AS2067:2016 Cl 5.1.3

  • Confirmation DNSP has accepted protection settings

  • Confirmation council and ESV permission obtained for cables on public land

Data sheets provided for

  • Protection equipment

  • VT’s

  • CT’s

  • Cables

  • Ccc of cable as installed

  • Building certification

HV Onsite Inspection

Fence

  • Fence is minimum 2.5m high in accordance with AS2067 cl 5.2.8

  • Please ensure fence meets the requirements of AS2067 cl 5.2.8

  • Top 500mm of fence has at least 4 strands of barbed wire spaced no more than 150mm apart, in accordance with AS2067 cl 5.2.8

    • Compliant
    • Non-Compliant
    • N/A

  • Please ensure fence meets the requirements of AS2067 cl 5.2.8

  • Gates and access doors are lockable in accordance with AS2067 cl 5.2.8

  • Please ensure fence meets the requirements of AS2067 cl 5.2.8

  • Danger high voltage signage is present on perimeter fence in accordance with AS2067 cl 5.2.8 & cl 6.9

  • Please ensure fence meets the requirements of AS2067 cl 5.2.8 & cl 6.9

  • Is not located such that external fences, structures or flora could be utilised to breach fence in accordance with AS2067 cl 5.2.8

  • Please ensure fence meets the requirements of AS2067 cl 5.2.8

  • Is earthed in accordance with earthing design in accordance with AS2067 cl 8.4

  • Please ensure earthing arrangement complies with earthing design in accordance with AS2067 cl 8.4

  • Perimeter fence has adequate clearance to HV apparatus and conductors (N+2440mm for mesh fence)

  • Please ensure fence clearance to live parts is in accordance with AS2067 cl 5.2.4

  • Isolating fence sections are installed in accordance with earthing / engineering design.

Earthing

  • Earthing Grid size

  • Earthing Riser size

  • Installed earths in accordance with earthing design

  • Please ensure earthing system complies with earthing design in accordance with AS2067 cl 8.4

  • Ground material is in accordance with earthing design (eg 140mm of 20mm rock)

  • Please ensure earthing system complies with earthing design in accordance with AS2067 cl 8.4, 8.4.4.4 & 8.4.9(j)

  • All earth conductors identified appropriately (screens sheathed green/yellow)

  • Please ensure earths are identified in accordance with AS3000 cl 3.8.3.2(b)

  • All earths have dedicated earthing connection point.

  • Please ensure earthing connections are made in accordance with AS3000 cl 5.5.6.2

  • Protected against the effects of corrosion

  • Please ensure earthing system is protected against the effects of corrosion in accordance with AS3000 cl 5.5.5.3 & AS2067 cl 8.2.3 & 8.5(b)

  • Protected against mechanical damage

  • Please ensure earthing system is protected against mechanical damage in accordance with AS3000 cl 5.5.5.1 & 5.5.5.2 & AS2067 cl 8.5(g)&(h)

  • Provided to all extraneous metallic surfaces

  • Please ensure earthing meets the requirements of AS3000 cl 5.4

  • Is robust and expected to last lifetime of installation

  • Please ensure earthing system is constructed so as to last the expected lifetime of the installation in accordance with AS2067 cl 8.2.3 (b)

Clearances

  • Minimum Ground Safety Clearance (G) is 2440mm (no uninsulated, exposed part shall be below this height from an accessible surface) {5.2.5, 3.4}

  • Please ensure minimum Ground Safety Clearance is in accordance with AS2067 cl 5.2.5 (b)

Minimum Clearances of Live Parts

  • Select Voltage Level/s

    • 3.3kV
    • 6.6kV
    • 11kV
    • 22kV
    • 33kV
    • 66kV
    • 110kV
    • 132kV

  • 3.3kV Phase to earth >/= 60mm

    • Compliant
    • Non-Compliant
    • N/A

  • 3.3kV Phase to phase >/= 70mm

  • 3.3kV Non Flashover Distance (N) >/= 65mm

  • 6.6kV Phase to earth >/= 90mm

    • Compliant
    • Non-Compliant
    • N/A

  • 6.6kV Phase to phase >/= 105mm

  • 6.6kV Non Flashover Distance (N) >/= 100

  • 11kV Phase to earth >/= 120mm

  • 11kV Phase to phase >/= 140mm

  • 11kV Non Flashover Distance (N) >/= 130

  • 22kV Phase to earth >/= 220mm

  • 22kV Phase to phase >/= 255mm

  • 22kV Non Flashover Distance (N) >/= 240mm

  • 33kV Phase to earth >/= 320mm

  • 33kV Phase to phase >/= 370mm

  • 33kV Non Flashover Distance (N) >/= 350mm

  • 66kV Phase to earth >/= 630mm

  • 66kV Phase to phase >/= 725mm

  • 66kV Non Flashover Distance (N) >/= 695mm

  • 110kV Phase to earth >/= 1100mm*

  • 110kV Phase to phase >/= 1265mm*

  • 110kV Non Flashover Distance (N) >/= 1210mm*

  • 132kV Phase to earth >/= 1300mm*

  • 132kV Phase to phase >/= 1495mm*

  • 132kV Non Flashover Distance (N) >/= 1430mm*

  • Section Safety Clearance (S) {S=N+G}

    • 3.3kV
    • 6.6kV
    • 11kV
    • 22kV
    • 33kV
    • 66kV
    • 110kV
    • 132kV

  • 3.3kV (S = 2505mm)

  • 6.6kV (S = 2540mm)

  • 11kV (S = 2570mm)

  • 22kV (S = 2680mm)

  • 33kV (S = 2790mm)

  • 66kV (S = 3135mm)

  • 110 kV (S = 3650mm)

  • 132kV (S = 3870mm)

  • Is lighting provide sufficient for safe operation of installation in accordance with AS2067 cl 5.1.6

  • Please ensure adequate lighting is installed and operational in accordance with AS 2067 cl 5.1.6

Transport Routes

  • Vehicle for transporting equipment, on which personnel do not sit or stand or are within (eg trolley), clearance T= N + 100 (min 500mm). S must be maintained on operators walkway at all times

  • Please ensure transport routes comply with the requirements of AS2067 cl 5.1.4 (a)

  • Where personnel are required to remain in the cab of the vehicle clearance T= N + 100 (min 500mm) between the vehicle, including its load, and any live part

  • Please ensure transport routes comply with the requirements of AS2067 cl 5.1.4 (b)

  • Where mobile equipment can be moved whilst being stood or sat upon the greater of the following clearances (i) Section safety clearance (S) from any part where a person normally stands or sits. (ii) Clearance X = N + 1900 applied horizontally from any part where a person normally stands or sits and the kerb or defined edge of the transport route

  • Please ensure transport routes comply with the requirements of AS2067 cl 5.1.4 (c)

Installed HV equipment

  • Transformers

  • Surge diverters

  • Earth switches

  • Circuit breakers

  • Voltage transformers

  • Current transformers

  • Harmonic filters

  • Switches

    • Transformer/s

  • Insulation type

  • Clearances

    • Oil 100L - <= 1kL
    • Oil >1kL - <= 2kL
    • Oil >2kL - <= 20kL
    • Oil >20kL - <= 45kL
    • Oil >45kL - <= 60kL
    • Oil >60kL
    • Less Combustible w/o enhanced protection 100L - <= 1kL
    • Less Combustible w/o enhanced protection >1kL - <=38kL
    • Less Combustible w/o enhanced protection >38kL
    • Less Combustible with enhanced protection
    • Dry type

  • 1m to transformers or non combustible surfaces, 6m to combustible surfaces, 1m horizontal to 2hr fire rated (FR) surfaces, 4.5m vertical to 2hr FR surfaces

  • 1m to transformers or non combustible surfaces, 6m to combustible surfaces, 1m horizontal to 2hr fire rated (FR) surfaces, 4.5m vertical to 2hr FR surfaces

  • 1m to transformers or non combustible surfaces, 6m to combustible surfaces, 1m horizontal to 2hr fire rated (FR) surfaces, 4.5m vertical to 2hr FR surfaces

  • 1m to transformers or non combustible surfaces, 6m to combustible surfaces, 1m horizontal to 2hr fire rated (FR) surfaces, 4.5m vertical to 2hr FR surfaces

  • 1m to transformers or non combustible surfaces, 6m to combustible surfaces, 1m horizontal to 2hr fire rated (FR) surfaces, 4.5m vertical to 2hr FR surfaces

  • 1m to transformers or non combustible surfaces, 6m to combustible surfaces, 1m horizontal to 2hr fire rated (FR) surfaces, 4.5m vertical to 2hr FR surfaces

  • 1m to transformers or non combustible surfaces, 6m to combustible surfaces, 1m horizontal to 2hr fire rated (FR) surfaces, 4.5m vertical to 2hr FR surfaces

  • 1m to transformers or non combustible surfaces, 6m to combustible surfaces, 1m horizontal to 2hr fire rated (FR) surfaces, 4.5m vertical to 2hr FR surfaces

  • 1m to transformers or non combustible surfaces, 6m to combustible surfaces, 1m horizontal to 2hr fire rated (FR) surfaces, 4.5m vertical to 2hr FR surfaces

  • 1m to transformers or non combustible surfaces, 6m to combustible surfaces, 1m horizontal to 2hr fire rated (FR) surfaces, 4.5m vertical to 2hr FR surfaces

  • 1m to transformers or non combustible surfaces, 6m to combustible surfaces, 1m horizontal to 2hr fire rated (FR) surfaces, 4.5m vertical to 2hr FR surfaces

  • Clearances are compliant with above calculations?

  • Please ensure transformer clearances comply with AS2067 cl 6.7.4.4 or a suitably rated barrier is installed

  • If barrier is installed it is suitably rated and sized

  • Please ensure installed barrier complies with requirements of AS2067 cl 6.7.4.4

  • Bund is of suitable size to prevent leaking insulating medium escaping into environment. If insulating medium is combustible bund is sufficiently sized to contain insulating medium and 20minutes worth of fire fighting deluge.

  • Please ensure insulator leakage containment meets the requirements of AS2067 cl 6.8.1

  • If insulating medium is combustible, bund drainage facility is fitted with flame trap.

  • Please ensure insulating medium leakage containment meets the requirements of AS2067 cl 6.8.1

Harmonic Filter / Cap bank

  • Restricted access

  • Correct signage

HV Wiring Systems / Conductors and Apparatus

  • Are protected from unauthorised access

  • AS2067, Blue Book(authorised, instructed, ordinary)

  • All HV apparatus/ switches are uniquely identified to allow safe operation

  • Please ensure switches/ apparatus are labelled in accordance with AS2067 cl 6.9.1, 5.1.8

    • Rectification required

  • Where rear access is available, unique label must also be present on FIXED portion at rear of unit

  • Please ensure switches/ apparatus are labelled in accordance with AS2066 cl 6.9.1

  • Are protected against mechanical damage

  • Are suitably rated for voltage and current

  • Are suitable for installation method

  • Terminations adequate

  • Danger high voltage label present on rear access panels of switchgear

  • Arc flash exhaust directs products away from personnel

  • Overhead obstructions, e.g. Arc exhaust chute, is minimum 2m clear from switchroom floor if over egress route

  • Warning arc exhaust label present on outer wall

  • A fire extinguisher is adjacent to all main entries of enclosed HV installations in accordance with AS2067 cl 6.7.1.6

  • Eye wash station or safety shower is present in accordance with AS2067 cl 6.7.1.6

Access Doors / Exits / egress paths

  • Are securable

  • Open outwards (exception - if the direct action of others can block an outward opening door, doors may open inwards, or if part of an airlock system)

  • Are provided with safety signage in accordance with clause 6.9 and national building code

  • Are not located where they can be blocked by vehicles

  • Are protected by bollards if likely to be obstructed

  • If an emergency exit can be opened from the inside even if locked

  • Panic bars fitted to all doors providing egress from HV switchgear rooms and are operational.

  • Emergency egress doors have minimum dimensions of 1980mm high and 750mm wide

  • If an emergency door are NOT sliding or rolling.

  • Egress paths are kept clear

AC & DC supply systems

LV sections

  • AC switchboard main switch arrangement AS/NZS3000 cl 2.3.3

  • LV wiring system and cabling

  • Is the LV installation compliant with the M.E.N. system of earthing in accordance with AS/NZS3000 cl 5.1.3

Protection from external influences

  • I.P rating of enclosures

  • Protected against the effects of animals and microorganisms

  • Please ensure installation is protected against small animals and micro-organisms in accordance with AS2067 cl 2.5.1

  • Protection against mechanical damage

Control Room Battery System / Enclosure

  • suitably sized to provide power to station services

  • Access to exposed live parts is restricted by enclosure or room requiring authorised access only

  • Authorised access only signage is present

  • Suitable level of ventilation is achieved to avoid accumulation of gases

  • Danger risk of battery enclosure sign is installed

  • Escape from battery rooms is easily acheived

  • Eye wash station or safety shower is present

  • Battery bank is separated from control room (seperate room or enclosure that vents outside)

  • Warning Spark Hazard sign installed

  • Electrolyte burns sign installed

  • Personal Protective equipment sign installed

  • shutdown procedure sign installed (possible 2067 clause 4.1.1(d), 4.1.3, 4.1.4)

Signage & Labelling

  • All correct signage and labelling installed

    • Compliant
    • Non-Compliant
    • N/A

  • Please ensure all labels are installed in accordance with AS2067 cl 5.18,

HV Testing

    Test Equipment

  • Make

  • Model

  • Serial Number

  • Calibration Date

  • Calibration sticker and certificate

  • PD (Partial Discharge) - Identifies potential weak spots in insulation that might deteriorate over time.

  • HiPot (High Potential) - IR Test at high voltages, typically 0.8[(2xOperating Voltage)+1000V] for up to 1 min during field tests

  • VLF (Very Low Frequecy) - Less destructive IR test, typically 2-3x Phase to earth Voltage for 15minutes during field tests.

  • 5k or 10k IR test

  • Earth Continuity

  • EPR (Earth Potential Rise)/ Step & Touch

Solar PV

  • Does this audit include a review of he installation solar PV

Document review

  • Voc Max calculation

  • AS1170 certification (5033 5.7)

  • Shutdown procedure (5033 5.7)

  • System connection diagram (SLD) (5033 5.7)

  • Commissioning sheets and checklist (5033 5.7)

  • Actions to take in advent of earth fault alarm (5033 5.7)

  • Maintenance timetable (5033 5.7)

  • Warranty information (5033 5.7)

  • Manufacturers documentation (data sheets) (5033 5.7)

  • Description of system function (5033 5.7)

  • Performance estimate (5033 5.7)

  • List of equipment (5033 5.7)

  • Lightning study in accordance with AS1768 (5033 3.5)

  • Bushfire mange,ent plan

  • Vegetation management plan

PV Array

  • Panels mounted securely in accordance with AS1170 certification

  • Cables secured (3000 3.9.3, 3.3.2.8, 5033 4.3.6.3.1)

  • Cables protected against mechanical damage

  • Cables protected against UV

  • Cables rated for voltage and current (3000 3.1, 5033 4.3.6.1)

  • Dc connectors same type by same manufacturer (5033 4.3.7)

  • Dc connectors rated for voltage and current

  • DC isolator / enclosure has appropriate IP ratings ng (4777.1 5.3.1, AS3000 4.1.2, 4.1.3, 5033 4.3.3)

  • DC isolator / enclosure appropriately rated for voltage and current (3000 2.3.2.1.3, 5033 4.3.5)

  • The isolator connected to DC is DC rated (5033 4.3.5.2, 3000)

  • DC isolator Adjacent array, within 3m and line of sight of array (5033 4.4.1.5)

  • DC isolators is lockable (3000 2.3.2.2.1, 5033 4.3.5.2 (d))

  • DC isolator correctly wired (3000 2.1.2 (f))

  • DC isolator is not polarised and activates in all live/ active conductors (5033 4.3.5.2)

  • DC isolators are readily available (4777.1 4.5)

  • If multiple DC isolators grouped in common location or ganged so operate simultaneously (5033 4.4.1.4 (a)(b))

  • DC isolators comply with local regulations and requirements (4777.2 amd 4)

  • Modules in same string have same orientation +/-5 degrees (5033 2.1.6)

  • Maximum voltage does not exceed 1000V DC [1500V DC] (5033 3.1)

  • Restricted access if above 600VDC [1000V] (5033 3.1)

  • String protection provided if required (5033 3.3.4)

  • String protection DC rated and appropriate for Voltage and Amperage (5033 3.3.5.1, 3000 2.2.4)

  • String protection fuse holders correctly rated for voltage and current (5033 4.3.8.2)

  • eQuipotentially bonded (5033 4.4.2, 3000)

  • Earthing method suitable (5033 4.4.2.2, 3000)

PV mounting Structure

  • Is secure (5033 2.2)

  • Protected against galvanic reaction (5033 2.2.7, 3000)

  • eQuipotentially bonded (5033 4.4.2, 3000)

  • Earthing method suitable (5033 4.4.2.2, 3000)

Inverter

  • Ac Wiring losses <2% between Inverter and MSB (4777.1 cl 3.3.3)

  • Inverter has appropriate IP rating (4777.1 5.3.1, AS3000 4.1.2, 4.1.3, 5033 4.3.3)

  • No loose connections in LV cables (5033 4.4.4.1 AS3000)

  • DC isolator / enclosure has appropriate IP ratings ng (4777.1 5.3.1, AS3000 4.1.2, 4.1.3, 5033 4.3.3)

  • DC isolator / enclosure appropriately rated for voltage and current (3000 2.3.2.1.3, 5033 4.3.5)

  • The isolator connected to DC is DC rated (5033 4.3.5.2, 3000)

  • DC isolator within 3m and line of sight of Inverter (5033 4.4.1.2, 4.4.1.3, 4.4.1.5)

  • DC isolators is lockable (3000 2.3.2.2.1, 5033 4.3.5.2 (d))

  • DC isolator correctly wired (3000 2.1.2 (f))

  • DC isolator is not polarised and activates in all live/ active conductors (5033 4.3.5.2)

  • DC isolators are readily available (4777.1 4.5)

  • If multiple DC isolators grouped in common location or ganged so operate simultaneously (5033 4.4.1.4 (a)(b))

  • AC isolator present at Inverter (3000 7.3.4.1 (a)(i), 4777.1 3.4.3)

  • Inverter installed securely (3000 1.7.2(d))

  • Safe access and workspace around Inverter (4777.1 5.3.1)

  • Maximum voltage does not exceed 1000V DC [1500V DC] (5033 3.1)

  • Restricted access if above 600VDC [1000V] (5033 3.1)

  • Adequate space around Inverter in accordance with manufacturers instructions (3000 1.7.1)

  • Inverter is configured to AS 4777.2

  • Inverter is configured to DNSP requirements

  • If transformerless, functional earth not connected to positive or negative (5033 3.2)

Switchboard

  • AC circuit breaker at is lockable (4777.1 3.4.3)

  • AC circuit breaker correctly rated to protect cable between switchboard and PCE (4777.1 3.4.2, 3000 7.3.5.2.1, 7.3.8.2.2 and more, 3008.1)

  • AC cables rated to Inverter maximum output (4777.1 3.3.1, 3000 function as intended)

Labelling

  • Junction boxes labelled “warning:hazardous DC voltage” black on yellow (5033 5.3.2)

  • If multiple dc isolators “warning:operate all dc isolators to isolate equipment” black on yellow present (5033 5.5.2)

  • Shutdown procedure present, correct, site specific and with black on yellow warning segment (5033 5.5.3)

  • Any upstream DB appropriately signed (4777.1 6.3)

  • Main Switch Inverter Supply label present (4777.1 6.2(b))

  • Multiple supplies label present black on yellow (4777.1 6.2(a))

  • Inverter location information if required (4777.1 6.2)

  • Fire emergency information (5033 5.4)

  • Green reflective PV label (5033 5.4.2)

  • DC iso bear inverter appropriately signed (5033 5.5)

  • DC isolators identify which string it protects

  • Grid supply main switch labelled (4777.1 6.2(c), 3000 2.3.3.5)

  • Warning hazardous voltage authorised access only signage when above 600V DC (5033 5.5.4)

General

  • No exposed LV live parts (3000 1.5.3.1)

  • All equipment/ accessories installed in accordance with AS3000 (3000 1.6, 1.7)

  • PV j boxes have appropriate IP rating (5033 4.3.3.7)

  • Different voltage types (DC and AC) and Voltage levels (Elv, lv, hv) are appropriately segregated (5033 4.4.4.3, 4777.1 5.2, 3000)

  • Installation minimises the spread of fire (3000 3.9.9, 1.5.12)

  • PV wiring system distinctively marked at appropriate intervals (5033 5.3.1)

  • Wiring systems protected against mechanical damage (3000 3.9.4.1, 5033 4.3.6.3)

  • Wiring systems protected against UV (3000 1.5.14, 3.3.2.11, 5033 4.3.6.2)

  • Double insulation maintained between conductive and live parts (5033 3.2, 4.4.4.1)

  • DC cable protected by HD conduit (5033 4.3.6.3.2)

  • Protected from fauna and livestock (3000 1.5.14, 3.3.2.10)

  • All joints in accordance with (3000 3.7.3)

  • TESTING? No evidence of mechanical damage to cables (3000 8.2)

  • Wiring from array to Inverter has insulation and sheath completely around both negative and positive (5033 4.3.6.2)

  • All cables appropriately rated for installed conditions (5033 4.3.6.2)

Energy Storage

  • Does this audit include a review of the installation Energy Storage

  • Please ensure There are no exposed live parts or single insulated cables in accordance with AS/NZS 3000:2018 cl 1.5

  • Battery Chemistry Type. Please ensure UN number is listed in accordance with AS/NZS 5139:2019 cl 7.3

  • Please ensure MSDS readily available in accordance with AS/NZS. 5139:2019 cl 7.7

  • SLD of battery configuration available

  • List of supplied equipment provided

  • A list of alarms installed, what they mean, and any actions required has been supplied

  • Please ensure Battery has been installed in accordance with manufacturers instructions in accordance with AS/NZS 3000:2018 & AS/NZS 5139:2019 cl 4.2., 4.3.3

  • Please ensure no modifications have been made to the battery system without approval from manufacturer in accordance with AS/NZS 5139:2019 cl 4.4.2.3

  • Please ensure Manufacturers instructions, warranties and manuals have been supplied and are complete in accordance with AS/NZS 5139:2019 cl 3.2.1

  • Please ensure Battery has been installed so as to comply with clearance, ventilation and IP requirements in accordance with AS/NZS 3000:2018 cl 1.5.14 & AS/NZS 5139:2019 cl 4.2.2.1, 4.2.5, 4.2.3

  • Please ensure Battery system main isolator is clearly identified and readily accessible in accordance with AS/NZS 5139:2019 cl 7.12.2

  • Please ensure Battery voltage and short circuit current are clearly displayed and correct in accordance with AS/NZS 5139:2019 cl 7.6

  • Please ensure Emergency signage is clearly displayed including Danger risk of battery explosion, toxic fumes, required PPE, what to do in he event of a fire, what to do if exposed to chemicals in accordance with AS/NZS 5139:2019 cl 7.8, 7.9, 7.10,

  • Please ensure A shutdown procedure is clearly displayed in accordance with AS/NZS 5139:2019 cl 7.16. This sign shall be correct for the installation and shows how to shut down the Battery without the need to refer to installation manuals.

  • Spark Hazard sign has been installed

  • Tailored fire response has been designed and implemented

  • Battery management system has been verified and is operating correctly

ESS Wiring system

  • Please ensure Cables and protection devices are correctly rated and sized for operating and fault conditions in accordance with AS/NZS 3000:2018 cl 2.5

  • Please ensure All battery terminals are covered and protected against accidental short circuit during installation and maintenance in accordance with AS/NZS 5139:2019 cl 4.3.2

  • Cables are suitably mechanically and electrically protected.

  • Please ensure Battery cable enclosures are labeled “battery” in accordance with AS/NZS 5139:2019 cl 7.14

  • All terminations including battery interconnect conductors have been tightened to torque settings specified by manufacturer

  • Cables are correctly identified in accordance with AS3000 including all earths.

  • Cable insulation resistance is above 1MΩ to earth and between conductors

  • Battery banks have a means of isolation for installation and maintenance

  • Please ensure All switches and isolations are clearly labelled as to their function and what they control in accordance with AS/NZS 5139:2019 cl 7.12.3

  • Please ensure that where there are multiple batteries connected with multiple disconnection devices that suitable signage is installed to ensure safe operation. Eg “warning multiple battery systems, turn off all battery system isolators to isolate equipment” in accordance with AS/NZS 5139:2019 cl 7.12.3

Appendix

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TSA High Voltage Electrical Inspection Report v1.0
Matt Carmichael

TSA High Voltage Electrical Inspection Report v1.0

TechSafe Electrical Inspection Report

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