ABB Advance Manual de usuario

ABB 15 kV/ 63 kA Manual Ground & Test Device

Instruction Manual

5/15/27 kV, 25/31.5/50/63 kA

Manual Ground & Test Devices

Installation, Operations and

Maintenance Manual

Courtesy of NationalSwitchgear.com

Installation, Operations and Maintenance Manual

1VAL064601-MB Rev C

Table of Contents

1. Important Safety Notes & Warning 1

1.1 Safe Practices 1

1.2 Safety Notations 1

2. Introduction & Safe Practices 2

2.1 Scope 2

2.2 Receiving, Handling, and Storage 2

2.2.1 Receiving 3

2.2.2 Handling 3

2.2.3 Storage 3

3. Usage and Operation for Advance, Advance 27, SafeGear,

and SafeGear HD Manual G&T Devices 4

3.1 Grounding 4

3.2 Removing Ground/Withdrawing the Device 6

3.3 Testing 7

3.3.1 AC Withstand Voltage Test 7

3.3.2 Current Path Resistance 7

4. Usage and Operation for ReliaGear ND G&T Devices 8

4.1 Grounding 8

4.2 Removing Ground/Withdrawing the Device 10

4.3 Testing 10

4.3.1 AC Withstand Voltage Test 10

4.3.2 Current Path Resistance 10

4.4 Changing the position of the terminals 11

5. Maintenance 11

Appendix 13

5/15 kV, 63 kA Manual G&T (SafeGear HD) Layout Drawing 13

27 kV, 1200/2000 A, 25 kA Manual G&T Layout Drawing 14

5/15 kV, 50 kA Manual G&T Layout Drawing 15

5/15 kV, 31.5 kA ReliaGear ND Manual G&T Layout Drawing 16

End of Life of Product 17

Methods of Disposal 17

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Installation, Operations and Maintenance Manual

1VAL064601-MB Rev C

1. Important Safety Notes & Warnings

1.1 Safe Practices

It is mandatory that the instructions provided within this

booklet be consulted to ensure safe interaction between

the device and personnel and/or the facility and its

equipment. The user has the responsibility of establishing

a safety program that addresses the proper interaction

with the equipment. This booklet is not intended to replace

a safety program.

Only qualified persons, as defined in the National Electric

Safety Code, who are familiar with the installation and

maintenance of medium voltage circuits and equipment

should be permitted to work with these Ground & Test

Devices.

1.2 Safety Notations

Safety notations alert personnel to possible death, injury

or property damage situations. The safety notations

appear before the step in which the condition applies. The

one safety notice and three hazard levels notations are:

Personnel installing, operating, or maintaining this

equipment must have thorough knowledge of all

applicable local, regional, industry, government, and

OSHA safety procedures as well as commonly accepted

safe working practices. Personnel working in or around

this equipment must also exhibit common sense and good

judgment regarding the potential hazards for themselves

and other personnel in the area. These instructions are

intended for use by fully qualified personnel and are not a

substitute for adequate training, experience and

supervision.

Should clarification or additional information be required,

refer the matter to your nearest ABB Sales office. When

communicating with ABB regarding the product covered

by this IOM Manual, always reference the ABB assigned

Order number.

Indicates a hazardous situation that, if not

avoided, will result in death or serious injury.

DANGER

Indicates a hazardous situation that, if not

avoided, could result in death or serious injury

WARNING

Indicates information considered important, but

not hazard-related (e.g., messages relating to

property damage).

NOTICE

Indicates a hazardous situation that, if not

avoided, could result in minor or moderate injury.

CAUTION

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Installation, Operations and Maintenance Manual

1VAL064601-MB Rev C

2. Introduction & Safe Practices

2.1 Scope

The purpose of this manual is to provide instructions for

unpacking, storage, installation, operation and

maintenance for the Manual Ground & Test Devices. This

manual should be carefully read and used as a guide

during installation, commissioning, operation, and

maintenance.

The specific ratings of each Manual Ground & Test Device

are listed on the individual nameplates. Manual Ground &

Test Devices are safety devices. As such, proper

operation is required to satisfy the device’s intended

purpose. Specific safe operating procedures for the use of

the device must be developed by the user to satisfy

individual requirements. Additionally, Ground & Test

Devices are maximum rated devices. Therefore, they

should not under any circumstances be applied outside of

their nameplate ratings.

This booklet provides information for the Manual G&T

Device with ratings shown in Table 1. All information in

this booklet was current at the time of printing.

2.2 Receiving, Handling, and Storage

Ground & Test devices are subject to complete factory

production tests and inspection prior to packaging and

shipment. The shipping package is designed to provide

reasonable protection during shipment and to provide

convenient handling.

Property

Rating

Voltage Class

5-15kV

5-15 kV

ReliaGear ND

27 kV

Continuous Current (A)

1200/2000

3000

1200/2000

3000

1200/2000

Short-time withstand current (kA, rms)

31.5

Momentary Current (kA, Peak)

130

164

Power frequency withstand voltage (kV)

Lightning impulse withstand voltage (kV)

125

Table 1: Ratings Table

Damage from improper handling of the G&T

device may reduce the dielectric strength of the

device.

CAUTION

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Installation, Operations and Maintenance Manual

1VAL064601-MB Rev C

2.2.1 Receiving

Immediately upon receipt of a G&T device, examine the

cartons to determine if any damage or loss was sustained

during transit. If damage or indication of rough handling is

evident, file a damage claim at once with the carrier and

promptly notify the nearest district office. ABB is not

responsible for damage of goods after delivery to the

carrier. Use care in unpackingto avoid damaging anyG&T

device parts.

Unpack the G&T device as soon as possible after receipt.

If unpacking is delayed, difficulty may be experienced in

making a claim for damages not evident upon receipt.

Check the contents of each carton against the packing list

before discarding any packing material. If any discrepancy

is discovered, promptly notify your ABB sales

representative. Information specifying the purchase order

number, carton number and part numbers of damaged or

missing parts should accompany the claim.

2.2.2 Handling

G&T device shipping containers are designed to be

handled by a fork lift. Lifting equipment may be used to

uncrate the device. Lifting provisions are provided. Once

removed from the shipping container, the G&T may be

transported using the lift truck. This is the preferred

transport method.

2.2.3 Storage

Store all equipment indoors in a well-ventilated area. For

G&T devices shipped in crates, store G&T devices upright

in their original shipping carton oriented as indicated on

the shipping crates. If the G&T devices are not placed in

service for some time, it is advisable to provide adequate

means of environmental protection. This may be done by

keeping the G&T device in its original shipping container

and storing in a warm, dry and uncontaminated

atmosphere.

The G&T device should be stored to minimize

condensation. Moisture can cause deterioration of metal

parts and high voltage insulation. Cover with heavy

wrapping paper or other moisture barrier. Use materials

that will not trap moisture inside the unit. Do not cover

louvered open-ings. The storage building should have a

well-drained paved floor. The temperature should be

above 60°F. The air should be dry (approxi-mately 50%

maximum humidity).

Pre-usage inspection and maintenance, if necessary, is

recommended due to the intermittent nature of the usage

of the device. See Section 4 “Maintenance”of this

document for more information.

Courtesy of NationalSwitchgear.com

Installation, Operations and Maintenance Manual

1VAL064601-MB Rev C

3. Usage and Operation for Advance,

Advance 27, SafeGear, and SafeGear HD

Manual G&T Devices

3.1 Grounding

1. Disconnect the ground cables from all terminals.

2. Swing the door over the device terminal set that

is not to be grounded (see Figures 1 and 2).

Figure 1: Bottom terminals to be grounded

Figure 2: Top terminals to be grounded

3. Padlock the door in position.

4. Insert the device in the switchgear breaker

compartment using the instructions relevant to the

switchgear found below:

a. SafeGear HD Installation, Operations and

Maintenance Manual, document number:

1VAL108001-MB Section 5.11.1.

b. Advance Installation and Maintenance

Manual, document number: IB3.2.6-7A

Chapter 8.

c. SafeGear Installation and Maintenance

Manual, document number: IB3.2.5-7C

Chapter 8.

d. Advance 27 Installation, Operations, and

Maintenance Manual, document number:

1VAL017002-MB Section 5.10.1.

This equipment may contain voltages at a level

which may cause death or serious injury. This

equipment should only be operated by qualified

personnel. Follow usage instructions and safety

precautions. Only use this equipment for its

nameplate rating.

WARNING

Courtesy of NationalSwitchgear.com

Installation, Operations and Maintenance Manual

1VAL064601-MB Rev C

Figure 3: Device installed in the switchgear breaker

compartment

Figure 4: Device installed in the SafeGear

compartment with bottom terminals to be tested.

5. Close and secure the switchgear breaker

compartment door.

6. Rack the device to the “Connect” position with the

racking tool. The device must be completely in the

“Connect” position. Reference the instructions for

the relevant switchgear found below:

a. SafeGear HD Installation, Operations and

Maintenance Manual, document number:

1VAL108001-MB Section 5.11.1.

b. Advance Installation and Maintenance

Manual, document number: IB3.2.6-7A

Chapter 8.

c. SafeGear Installation and Maintenance

Manual, document number: IB3.2.5-7C

Chapter 8.

d. Advance 27 Installation, Operations, and

Maintenance Manual, document number:

1VAL017002-MB Section 5.10.1.

Figure 5: The racking tool is used to move the device

between the connect and disconnect positions

7. Open the switchgear breaker compartment door.

8. Test the exposed terminal ends to assure there is

no voltage present on the terminal set to be

grounded.

Figure 6: Bottom terminals exposed for testing

Courtesy of NationalSwitchgear.com

Installation, Operations and Maintenance Manual

1VAL064601-MB Rev C

Figure 7: Top terminals exposed for testing

9. After establishing that the exposed terminal set is

de-energized, close the switchgear breaker

compartment door, and rack the device to the

disconnected position (see Figure 5).

10. With the device in the disconnected position, open

the switchgear breaker compartment door and

attach the upper or lower ground cables to the

exposed terminal set. Two cables per phase are

required for the SafeGear HD 63 kA G&T device

(see Figures 8 and 9). 5/15 kV 50 kA

Advance/SafeGear and 27 kV Advance G&T

devices only require one cable per phase (not

shown).

Figure 8: Top terminals grounded

Figure 9: Bottom terminals grounded (padlock hasp

not shown)

11. With the grounded cables attached, close and

secure the switchgear breaker compartment door

and rack the device into the “connect” position.

12. With the ground cables installed and the device

racked into the “connect” position, the terminal set

is connected to the switchgear ground bus.

3.2 Removing Ground/Withdrawing the Device

1. Rack the device to the disconnected position.

2. Open the switchgear breaker compartment door,

disconnect and remove the grounding cables.

3. Remove the padlock.

4. Use the lift truck to remove the device. Reference

the instructions for the relevant switchgear found

below:

a) SafeGear HD Installation, Operations and

Maintenance Manual, document number:

1VAL108001-MB Section 5.11.1.

b) Advance Installation and Maintenance

Manual, document number IB3.2.6-7A

Chapter 8.

c) SafeGear Installation and Maintenance

Manual, document number IB3.2.5-7C

Chapter 8.

d) Advance 27 Installation, Operations, and

Maintenance Manual, document number

1VAL017002-MB Section 5.10.2.

Courtesy of NationalSwitchgear.com

Installation, Operations and Maintenance Manual

1VAL064601-MB Rev C

3.3 Testing

Prior to each use, the following tests should be completed

to assure the G&T device is in good condition.

3.3.1 AC Withstand Voltage Test

1. Remove all grounding cables

2. For each terminal complete the following test

sequence:

a. Connect the high potential lead to one pole

b. Ground the remaining poles and G&T device

frame

c. Start machine with output potential at 0 (zero)

Vac/Vdc.

d. For a rated voltage of 15 kV, increase the

potential to 27 kVac RMS. If using dc, the test

potential should be 38 kVdc. For a rated

voltage of 27 kV, increase the potential to 45

kVac RMS or 45 kVdc if performing a DC test.

e. Hold for one minute

f. Decrease potential to 0 (zero) Vac/Vdc and

turn off machine

3. Repeat this testing for the remaining terminals

A successful withstand indicates satisfactory insulation

strength of the primary circuit.

3.3.2 Current Path Resistance

1. Connect the grounding cables for the terminal set to

be used (upper or lower)

2. Connect one lead from the test set to the ground

shoes on the bottom of the G&T device.

3. Connect the other lead from the test set to the

primary contact of the G&T device terminal to be

tested.

4. Measure the end-to-end grounding path resistance

through the primary disconnect, grounding cables

and ground shoes using a digital low resistance

ohmmeter (DLRO).

The measured resistance should not exceed 100 micro-

ohms.

Courtesy of NationalSwitchgear.com

Installation, Operations and Maintenance Manual

1VAL064601-MB Rev C

4. Usage and Operation for ReliaGear ND

G&T Devices

4.1 Grounding

1. Disconnect the grounding bus from the

terminal.

2. Remove grounding bus and clear the bus away

from the G&T.

3. If the opposite terminal location (upper or lower)

is needed, refer to section 4.3 for instructions.

Figure 10: Lower terminal configuration

without ground bus installed

Figure 11: Upper terminal configuration

without ground bus installed

4. Ensure proper procedures are followed for

removing the breaker and opening the

switchgear door.

5. Insert the device in the switchgear breaker

compartment using ReliaGear ND Installation,

Operations, & Maintenance Manual, document

number: 1VAL107501-MB section 5.10.

Figure 12: Lower terminal configuration in

disconnected position with field

distributors installed

This equipment may contain voltages at a level

which may cause death or serious injury. This

equipment should only be operated by qualified

personnel. Follow usage instructions and safety

precautions. Only use this equipment for its

nameplate rating.

WARNING

Courtesy of NationalSwitchgear.com

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