Nexans Medium Voltage Cable Accessories Book

Type Testing Of Medium Voltage Cable Accessories

• uploaded by Chris Dodds - Thorne & Derrick Sales + Marketing Manager

In this series of 15 blogs we provide Chapter breakdowns for the Nexans published book, “Medium Voltage Cable Accessories, A Theoretical and Practical Approach”.

Today, we overview Chapter 14, Type Testing Of Medium Voltage Cable Accessories.

The book covers the installation of medium voltage cable terminations, separable connectors, cable joints and associated LV MV HV Power Cable Accessories such as cable glands, lugs and cable cleats.

Great emphasis is placed on failure modes of medium voltage cables and methods of preventing potential problems in service of electrical power systems operating typically at 11kV/33kV.

Essential reading for:

• Lead Electrical Engineers
• Electrical Project Engineers
• Principal Electrical Engineers
• Plant Engineers
• LV HV EHV Cable Jointers
• ATEX Inspectors
• Substation Commissioning Managers
• LV HV EHV Project Managers
• Buyers & Procurement Managers
• SAP’s
• Sales Managers & Engineers

The book is an instant hit with DNO’s, IDNO’S, ICP’s, MV HV Cable Jointers, Cable Contractors, Cable Jointer Training Centres, Electrical Contractors and Substation Engineers.

Chapter 14

Type Testing Of Medium Voltage Cable Accessories

From Medium Voltage Cable Accessories

• 14.1. Introduction
• 14.2. Some qualification tests for accessories
• 14.2.1. DC withstand
• 14.2.2. AC dry withstand
• 14.2.3. AC wet withstand – outdoor terminations only
• 14.2.4. Partial discharge of MV cable accessories
• 14.2.5. Impact test – MV cable joints only
• 14.2.6. Thermal cycling
• 14.2.7. Impulse voltage withstand
• 14.2.8. Humidity – indoor MV cable terminations only
• 14.2.9. Salt fog test – outdoor MV cable terminations only
• 14.2.10. Immersion test – outdoor MV cable terminations only
• 14.2.11. Thermal short circuit
• 14.2.12. Dynamic short circuit
• 14.2.13. Inspection of medium voltage cable accessories
• 14.3. Test voltage levels
• 14.4. Testing medium voltage cable terminations to HD 629/BS 7888 14.5. Testing joints to HD 629/BS 7888
• 14.6. Testing screened separable connectors
• 14.7. Limitations of medium voltage type testing

Nexans (Euromold) manufacture high voltage Screened Separable Connectors (Elbow & Bolted Tee), Cable Joints & Cable Terminations (Cold Shrink & Heat Shrink), Bushings and Surge Arresters are available to suit 11kV, 33kV and up to 66kV distribution networks.

Medium Voltage Cable Accessories Book Published By Nexans

• Format: Hardback
• Extent: 160pp
• Size: 300x215mm [Nexans 11kV 33kV Cable Jointers Book]
• ISBN: 978-0-9573785-0-6
• RRP: £79.99
• Illustrations: Nexans Power Accessories (UK)
• Publication Date: March 2013

Medium Voltage Cable Accessories Book Published By Nexans

NEXANS pOWER CABLE ACCESSORIES

In January 2018 Thorne & Derrick International, based in the UK, signed a UK Distribution Agreement with Nexans Power Accessories UK.

T&D are national distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment – servicing businesses involved in cabling, jointing, substation, earthing, overhead line and electrical construction at LV, 11kV, 33kV, 66kV and EHV. Supplying a complete range of power cable accessories to support the maintenance and installation of HV transformers and switchgear.

• Slip-on Cable Terminations
• Cold-shrink Cable Terminations
• Heat-shrink Cable Terminations
• Cable Joints – Heat & Cold-shrink
• Separable Connectors (Euromold)
• Surge Arresters & Switchgear/Transformer Bushings

Signing the new Nexans Power Accessories UK Distribution Agreement is a key part of Thorne & Derrick’s growth strategy for the next 5 years.

With T&D’s knowledge and experience of stocking and supplying Medium & High Voltage Cable Accessories this new partnership with Nexans delivers the most complete range of Joints, Terminations and Connectors for medium voltage power systems.

Training Courses & Services For Cable Jointers

Empower your CV and skill-set by grasping the 66kV Jointer Training opportunity. Jointers must currently be 33kV Competent and experienced to be ready to undertake the step-up to 66kV from 33kV. 11kV Jointer Training Courses also available.

Contact our UK Power Team for competitive quotations, fast delivery from stock and technical support or training on all LV-HV products.

Key Product Categories: Duct Seals | Cable Cleats | Cable Glands | Electrical Safety | Arc Flash Protection | Cable Jointing Tools | Cable Pulling | Earthing | Feeder Pillars | Cable Joints LV | Joints & Terminations MV HV 

Earthing Of Medium Voltage Single Core Cables

• uploaded by Chris Dodds - Thorne & Derrick Sales + Marketing Manager

In this series of 15 blogs we provide Chapter breakdowns for the Nexans published book, “Medium Voltage Cable Accessories, A Theoretical and Practical Approach”.

Today, we overview Chapter 13, Earthing Of Medium Voltage Single Core Cables.

The book covers the installation of medium voltage cable terminations, separable connectors, cable joints and associated LV MV HV Power Cable Accessories such as cable glands, lugs and cable cleats.

Great emphasis is placed on failure modes of medium voltage cables and methods of preventing potential problems in service of electrical power systems operating typically at 11kV/33kV.

Essential reading for:

• Lead Electrical Engineers
• Electrical Project Engineers
• Principal Electrical Engineers
• Plant Engineers
• LV HV EHV Cable Jointers
• ATEX Inspectors
• Substation Commissioning Managers
• LV HV EHV Project Managers
• Buyers & Procurement Managers
• SAP’s
• Sales Managers & Engineers

The book is an instant hit with DNO’s, IDNO’S, ICP’s, MV HV Cable Jointers, Cable Contractors, Cable Jointer Training Centres, Electrical Contractors and Substation Engineers.

Chapter 13

Earthing Of Medium Voltage Single Core Cables

From Medium Voltage Cable Accessories

• 13.1. Induced voltages and currents in single core cables
• 13.1.1. Induced voltage in medium voltage cables
• 13.1.2. Induced current in medium voltage cables
• 13.2. Some practical situations
• 13.2.1. Short medium voltage cable length
• 13.2.2. Medium cable length
• 13.2.3. Long medium voltage cable runs
• 13.3. Fault caused by circulating current
• 13.4. Conclusions on medium voltage power cables

Nexans (Euromold) manufacture high voltage Screened Separable Connectors (Elbow & Bolted Tee), Cable Joints & Cable Terminations (Cold Shrink & Heat Shrink), Bushings and Surge Arresters are available to suit 11kV, 33kV and up to 66kV distribution networks.

Medium Voltage Cable Accessories Book Published By Nexans

• Format: Hardback
• Extent: 160pp
• Size: 300x215mm [Nexans 11kV 33kV Cable Jointers Book]
• ISBN: 978-0-9573785-0-6
• RRP: £79.99
• Illustrations: Nexans Power Accessories (UK)
• Publication Date: March 2013

Medium Voltage Cable Accessories Book Published By Nexans

NEXANS pOWER CABLE ACCESSORIES

In January 2018 Thorne & Derrick International, based in the UK, signed a UK Distribution Agreement with Nexans Power Accessories UK.

T&D are national distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment – servicing businesses involved in cabling, jointing, substation, earthing, overhead line and electrical construction at LV, 11kV, 33kV, 66kV and EHV. Supplying a complete range of power cable accessories to support the maintenance and installation of HV transformers and switchgear.

• Slip-on Cable Terminations
• Cold-shrink Cable Terminations
• Heat-shrink Cable Terminations
• Cable Joints – Heat & Cold-shrink
• Separable Connectors (Euromold)
• Surge Arresters & Switchgear/Transformer Bushings

Signing the new Nexans Power Accessories UK Distribution Agreement is a key part of Thorne & Derrick’s growth strategy for the next 5 years.

With T&D’s knowledge and experience of stocking and supplying Medium & High Voltage Cable Accessories this new partnership with Nexans delivers the most complete range of Joints, Terminations and Connectors for medium voltage power systems.

Training Courses & Services For Cable Jointers

Empower your CV and skill-set by grasping the 66kV Jointer Training opportunity. Jointers must currently be 33kV Competent and experienced to be ready to undertake the step-up to 66kV from 33kV. 11kV Jointer Training Courses also available.

Contact our UK Power Team for competitive quotations, fast delivery from stock and technical support or training on all LV-HV products.

Key Product Categories: Duct Seals | Cable Cleats | Cable Glands | Electrical Safety | Arc Flash Protection | Cable Jointing Tools | Cable Pulling | Earthing | Feeder Pillars | Cable Joints LV | Joints & Terminations MV HV 

Medium Voltage Cable Joints – An Overview

• uploaded by Chris Dodds - Thorne & Derrick Sales + Marketing Manager

In this series of 15 blogs we provide Chapter breakdowns for the Nexans published book, “Medium Voltage Cable Accessories, A Theoretical and Practical Approach”.

Today, we overview Chapter 12, Medium Voltage Cable Joints – An Overview

The book covers the installation of medium voltage cable terminations, separable connectors, cable joints and associated LV MV HV Power Cable Accessories such as cable glands, lugs and cable cleats.

Great emphasis is placed on failure modes of medium voltage cables and methods of preventing potential problems in service of electrical power systems operating typically at 11kV/33kV.

Essential reading for:

• Lead Electrical Engineers
• Electrical Project Engineers
• Principal Electrical Engineers
• Plant Engineers
• LV HV EHV Cable Jointers
• ATEX Inspectors
• Substation Commissioning Managers
• LV HV EHV Project Managers
• Buyers & Procurement Managers
• SAP’s
• Sales Managers & Engineers

The book is an instant hit with DNO’s, IDNO’S, ICP’s, MV HV Cable Jointers, Cable Contractors, Cable Jointer Training Centres, Electrical Contractors and Substation Engineers.

Chapter 12

Medium Voltage Cable Joints An Overview

From Medium Voltage Cable Accessories

• 12.1. Introduction
• 12.2. Connecting the medium voltage conductors
• 12.2.1. Crimped connectors
• 12.2.2. Mechanical connectors
• 12.3. The elimination of air from critical areas
• 12.3.1. Stress relieving tape
• 12.3.2. Faraday Cage
• 12.4. Stress control in medium voltage cable joints
• 12.4.1. Geometric type – a) push on cable joints
• 12.4.2. Geometric type – b) cold shrink cable joints
• 12.4.3. High permittivity
• 12.5. Thickness of insulation
• 12.6. Sealing the medium voltage joint
• 12.6.1. The one piece cable joint
• 12.6.2. The multi layered cable joint
• 12.7. Earthing medium voltage cable joints
• 12.7.1. Single core cable joints
• 12.7.2. Three core cable joint earth
• 12.8. Mechanical strength
• 12.9. Hybrid cable joints
• 12.9.1. Moulded Faraday Cage over connector
• 12.9.2. Shrink tubes and resin combination

Nexans (Euromold) manufacture high voltage Screened Separable Connectors (Elbow & Bolted Tee), Cable Joints & Cable Terminations (Cold Shrink & Heat Shrink), Bushings and Surge Arresters are available to suit 11kV, 33kV and up to 66kV distribution networks.

Medium Voltage Cable Accessories Book Published By Nexans

• Format: Hardback
• Extent: 160pp
• Size: 300x215mm [Nexans 11kV 33kV Cable Jointers Book]
• ISBN: 978-0-9573785-0-6
• RRP: £79.99
• Illustrations: Nexans Power Accessories (UK)
• Publication Date: March 2013

Medium Voltage Cable Accessories Book Published By Nexans

NEXANS pOWER CABLE ACCESSORIES

In January 2018 Thorne & Derrick International, based in the UK, signed a UK Distribution Agreement with Nexans Power Accessories UK.

T&D are national distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment – servicing businesses involved in cabling, jointing, substation, earthing, overhead line and electrical construction at LV, 11kV, 33kV, 66kV and EHV. Supplying a complete range of power cable accessories to support the maintenance and installation of HV transformers and switchgear.

• Slip-on Cable Terminations
• Cold-shrink Cable Terminations
• Heat-shrink Cable Terminations
• Cable Joints – Heat & Cold-shrink
• Separable Connectors (Euromold)
• Surge Arresters & Switchgear/Transformer Bushings

Signing the new Nexans Power Accessories UK Distribution Agreement is a key part of Thorne & Derrick’s growth strategy for the next 5 years.

With T&D’s knowledge and experience of stocking and supplying Medium & High Voltage Cable Accessories this new partnership with Nexans delivers the most complete range of Joints, Terminations and Connectors for medium voltage power systems.

Training Courses & Services For Cable Jointers

Empower your CV and skill-set by grasping the 66kV Jointer Training opportunity. Jointers must currently be 33kV Competent and experienced to be ready to undertake the step-up to 66kV from 33kV. 11kV Jointer Training Courses also available.

Contact our UK Power Team for competitive quotations, fast delivery from stock and technical support or training on all LV-HV products.

Key Product Categories: Duct Seals | Cable Cleats | Cable Glands | Electrical Safety | Arc Flash Protection | Cable Jointing Tools | Cable Pulling | Earthing | Feeder Pillars | Cable Joints LV | Joints & Terminations MV HV 

Medium Voltage Cable Terminations 4 – The Effects Of Moisture

• uploaded by Chris Dodds - Thorne & Derrick Sales + Marketing Manager

In this series of 15 blogs we provide Chapter breakdowns for the Nexans published book, “Medium Voltage Cable Accessories, A Theoretical and Practical Approach”.

Today, we overview Chapter 11, Medium Voltage Cable Terminations 4 – The Effects Of Moisture.

The book covers the installation of medium voltage cable terminations, separable connectors, cable joints and associated LV MV HV Power Cable Accessories such as cable glands, lugs and cable cleats.

Great emphasis is placed on failure modes of medium voltage cables and methods of preventing potential problems in service of electrical power systems operating typically at 11kV/33kV.

Essential reading for:

• Lead Electrical Engineers
• Electrical Project Engineers
• Principal Electrical Engineers
• Plant Engineers
• LV HV EHV Cable Jointers
• ATEX Inspectors
• Substation Commissioning Managers
• LV HV EHV Project Managers
• Buyers & Procurement Managers
• SAP’s
• Sales Managers & Engineers

The book is an instant hit with DNO’s, IDNO’S, ICP’s, MV HV Cable Jointers, Cable Contractors, Cable Jointer Training Centres, Electrical Contractors and Substation Engineers.

Chapter 11

Medium Voltage Cable Terminations 4 The Effects Of Moisture

From Medium Voltage Cable Accessories

• 11.1. Introduction
• 11.2. Formation of a conductive layer on terminations
• 11.2.1. Clean moisture
• 11.2.2. Industrially polluted moisture
• 11.2.3. Coastal moisture
• 11.2.4. Condensation
• 11.3. Effect of a conductive layer
• 11.4. The possible effects of discharges on polluted medium voltage cable terminations
• 11.4.1. Surface degradation of the outer material of a cable termination
• 11.4.1.1. Surface tracking
• 11.4.1.2. Anaerobic tracking
• 11.4.1.3. Surface erosion
• 11.4.1.4. Surface flashover
• 11.5. Sealing of medium voltage cable terminations
• 11.6. Reducing the effects of surface discharge

Nexans (Euromold) manufacture high voltage Screened Separable Connectors (Elbow & Bolted Tee), Cable Joints & Cable Terminations (Cold Shrink & Heat Shrink), Bushings and Surge Arresters are available to suit 11kV, 33kV and up to 66kV distribution networks.

Medium Voltage Cable Accessories Book Published By Nexans

• Format: Hardback
• Extent: 160pp
• Size: 300x215mm [Nexans 11kV 33kV Cable Jointers Book]
• ISBN: 978-0-9573785-0-6
• RRP: £79.99
• Illustrations: Nexans Power Accessories (UK)
• Publication Date: March 2013

Medium Voltage Cable Accessories Book Published By Nexans

NEXANS pOWER CABLE ACCESSORIES

In January 2018 Thorne & Derrick International, based in the UK, signed a UK Distribution Agreement with Nexans Power Accessories UK.

T&D are national distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment – servicing businesses involved in cabling, jointing, substation, earthing, overhead line and electrical construction at LV, 11kV, 33kV, 66kV and EHV. Supplying a complete range of power cable accessories to support the maintenance and installation of HV transformers and switchgear.

• Slip-on Cable Terminations
• Cold-shrink Cable Terminations
• Heat-shrink Cable Terminations
• Cable Joints – Heat & Cold-shrink
• Separable Connectors (Euromold)
• Surge Arresters & Switchgear/Transformer Bushings

Signing the new Nexans Power Accessories UK Distribution Agreement is a key part of Thorne & Derrick’s growth strategy for the next 5 years.

With T&D’s knowledge and experience of stocking and supplying Medium & High Voltage Cable Accessories this new partnership with Nexans delivers the most complete range of Joints, Terminations and Connectors for medium voltage power systems.

Training Courses & Services For Cable Jointers

Empower your CV and skill-set by grasping the 66kV Jointer Training opportunity. Jointers must currently be 33kV Competent and experienced to be ready to undertake the step-up to 66kV from 33kV. 11kV Jointer Training Courses also available.

Contact our UK Power Team for competitive quotations, fast delivery from stock and technical support or training on all LV-HV products.

Key Product Categories: Duct Seals | Cable Cleats | Cable Glands | Electrical Safety | Arc Flash Protection | Cable Jointing Tools | Cable Pulling | Earthing | Feeder Pillars | Cable Joints LV | Joints & Terminations MV HV 

Medium Voltage Cable Terminations 3 – Earthing

• uploaded by Chris Dodds - Thorne & Derrick Sales + Marketing Manager

In this series of 15 blogs we provide Chapter breakdowns for the Nexans published book, “Medium Voltage Cable Accessories, A Theoretical and Practical Approach”.

Today, we overview Chapter 10, Medium Voltage Cable Terminations 3 – Earthing.

The book covers the installation of medium voltage cable terminations, separable connectors, cable joints and associated LV MV HV Power Cable Accessories such as cable glands, lugs and cable cleats.

Great emphasis is placed on failure modes of medium voltage cables and methods of preventing potential problems in service of electrical power systems operating typically at 11kV/33kV.

Essential reading for:

• Lead Electrical Engineers
• Electrical Project Engineers
• Principal Electrical Engineers
• Plant Engineers
• LV HV EHV Cable Jointers
• ATEX Inspectors
• Substation Commissioning Managers
• LV HV EHV Project Managers
• Buyers & Procurement Managers
• SAP’s
• Sales Managers & Engineers

The book is an instant hit with DNO’s, IDNO’S, ICP’s, MV HV Cable Jointers, Cable Contractors, Cable Jointer Training Centres, Electrical Contractors and Substation Engineers.

Chapter 10

Medium Voltage Cable Terminations 3 Earthing

From Medium Voltage Cable Accessories

• 10.1. Introduction
• 10.2. Outdoor medium voltage cable terminations
• 10.2.1. Single core medium voltage cable with copper wires or copper tape screen
• 10.2.2. Single core medium voltage polymeric cable with aluminium armour
• 10.2.3. Three core polymeric medium voltage cable with steel wire armour
• 10.2.4. Three core medium voltage paper cable with corrugated aluminium sheath
• 10.2.5. medium voltage paper cable with lead sheath and steel wire armours
• 10.2.6. Three core medium voltage paper cable with steel tape armour
• 10.3. Indoor medium voltage terminations
• 10.3.1. Single core unarmoured MV polymeric cable
• 10.3.2. Single core MV cable with tape screen and armours
• 10.3.3. Three core MV paper cable with corrugated aluminium sheath
• 10.3.4. Three core MV cable with steel wire armours
• 10.4. Compression glands
• 10.4.1. Ingress protection – IP ratings
• 10.4.2. Gland seals
• 10.4.3. Cable support
• 10.4.4. Cable earthing

Nexans (Euromold) manufacture high voltage Screened Separable Connectors (Elbow & Bolted Tee), Cable Joints & Cable Terminations (Cold Shrink & Heat Shrink), Bushings and Surge Arresters are available to suit 11kV, 33kV and up to 66kV distribution networks.

Medium Voltage Cable Accessories Book Published By Nexans

• Format: Hardback
• Extent: 160pp
• Size: 300x215mm [Nexans 11kV 33kV Cable Jointers Book]
• ISBN: 978-0-9573785-0-6
• RRP: £79.99
• Illustrations: Nexans Power Accessories (UK)
• Publication Date: March 2013

Medium Voltage Cable Accessories Book Published By Nexans

NEXANS pOWER CABLE ACCESSORIES

In January 2018 Thorne & Derrick International, based in the UK, signed a UK Distribution Agreement with Nexans Power Accessories UK.

T&D are national distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment – servicing businesses involved in cabling, jointing, substation, earthing, overhead line and electrical construction at LV, 11kV, 33kV, 66kV and EHV. Supplying a complete range of power cable accessories to support the maintenance and installation of HV transformers and switchgear.

• Slip-on Cable Terminations
• Cold-shrink Cable Terminations
• Heat-shrink Cable Terminations
• Cable Joints – Heat & Cold-shrink
• Separable Connectors (Euromold)
• Surge Arresters & Switchgear/Transformer Bushings

Signing the new Nexans Power Accessories UK Distribution Agreement is a key part of Thorne & Derrick’s growth strategy for the next 5 years.

With T&D’s knowledge and experience of stocking and supplying Medium & High Voltage Cable Accessories this new partnership with Nexans delivers the most complete range of Joints, Terminations and Connectors for medium voltage power systems.

Training Courses & Services For Cable Jointers

Empower your CV and skill-set by grasping the 66kV Jointer Training opportunity. Jointers must currently be 33kV Competent and experienced to be ready to undertake the step-up to 66kV from 33kV. 11kV Jointer Training Courses also available.

Contact our UK Power Team for competitive quotations, fast delivery from stock and technical support or training on all LV-HV products.

Key Product Categories: Duct Seals | Cable Cleats | Cable Glands | Electrical Safety | Arc Flash Protection | Cable Jointing Tools | Cable Pulling | Earthing | Feeder Pillars | Cable Joints LV | Joints & Terminations MV HV