TE25634 – Advanced Installation

Module code

TE25634

Module title

Advanced Installation

Prescription

People credited with this unit standard are able to demonstrate: - advanced knowledge of cables; - advanced knowledge of busbars; - advanced knowledge of a.c. measurement; - knowledge of load assessment and control of electrical installations; and - knowledge of data communication and networking principles.

Programmes

BT0101
TE1101

NZQA Level

Level 5

NZQA Credits

Delivery method

Web-Enhanced

Learning hours

Total learning hours: 100

Resources required

Content: Element 1

Demonstrate advanced knowledge of cables.

Performance criteria

1.1 Materials used in the construction of heavy duty cables are identified.

Range - materials used for - conductors, insulation, sheathing, armouring, oversheath or serving materials.

1.2 Cables are identified from standard abbreviations.

Range - abbreviations of - conductor material, number of cores, cross-sectional area of cores, insulating material, sheathing material, armouring material, oversheath or serving material.

1.3 Cables suitable for given applications and conditions are selected in accordance with NZECP 28, AS/NZS 3008.1.2:1998, industry practice and, where appropriate, manufacturers' data.

Range - applications may involve - moisture, vibration, corrosive conditions, mechanical strength, abnormal temperatures, flammable or explosive conditions; conditions may involve - current rating, allowable voltage drop, connected load, maximum demand, future loading, grouping, disposition, class of excess current protection, method of installation;
two selections are required for different given applications and conditions.

Element 2

Demonstrate advanced knowledge of busbars.

Performance criteria

2.1 Materials and profiles used in the construction of busbars are identified.

2.2 Factors determining busbar arrangements are explained with reference to voltage rating, current rating, and clearances.

Range - factors - formation, insulation, heat dissipation, skin effect, proximity effect, mechanical strength, expansion and contraction.

2.3 Constructional features and applications of industrial busbar systems are identified.

Range - busbar systems - rising main, overhead, trolley.

Element 3

Demonstrate advanced knowledge of a.c. measurement.

Performance criteria

3.1 Principles of instrument transformers and their use for metering purposes are explained.

Range - reference to - voltage transformers, current transformers, connections, terminal markings, burden, accuracy, open circuited secondary, summation transformer.

3.2 The operating principles and methods of connection of a.c. instruments are described.

Range - instruments - wattmeter used to measure single-phase, three-phase four-wire, and three-phase three-wire loads; summation metering; power factor meter; frequency meter; kVA meter; kVA reactive meter; phase sequence indicator; synchroscope; energy meter.

Element 4

Demonstrate knowledge of load assessment and control of electrical installations.

Performance criteria

4.1 Load and demand terms are defined and related calculations are performed for a given electrical installation.

Range - maximum demand, average demand, load factor, demand factor.

4.2 Terms diversity factor and after diversity maximum demand of a group of consumers are defined, and calculations are made demonstrating their application.

4.3 Load control methods to improve load factor are outlined for given types of loads.

Range - three of - offices, continuous-process factories, seasonal-process factories, shopping complex, tourist accommodation.

Element 5

Demonstrate knowledge of data communication and networking principles.

Performance criteria

5.1 Networking terminology is explained in accordance with industry practice.

Range - includes but is not limited to - common networking devices, topology, protocols, LAN, MAN, WAN, SAN, STP, VPN.

5.2 - Bandwidth is described in terms of its importance in relation to information transfer.

Range - measurement, limitations, throughput data transfer calculations, digital versus analogue.

5.3 Uses of networking models are explained in terms of operation of data communication.

Range - use of layers, OSI model, TCP/IP model, encapsulation process.

5.4 Features of data communication equipment are described in terms of synchronous and asynchronous data communication.

Range - modem, network terminating unit, send and receive equipment, power supply.

5.5 Characteristics of data communication media are described in terms of capacity, data speed, application, and data security.

Range - copper, Category 5, Category 6, UTP, fibre optic cable, wireless.

5.6 Installation requirements and precautions relating to data communication cables are explained in accordance with industry practice.

Range - separation from power cables, bend radii, securing, cross talk, noise, interference.

5.7 The correct termination procedures for data communication cables are explained in accordance with industry practice.
Learning and Teaching Resource: Teaching and Learning Resources:

A full set of resources will be issued for this module including printed course work and assessment materials. These include:

Course workbook
Listed specific texts/library books
Internet references
Manuals/standards documents

Students will also be encouraged to use the library and other resources that can be accessed at Wintec.