8502 / electric generating sets and rotary converters
850211 / Generating Sets With Compression-ignition Engines, Not Exceeding 75kva
850212 / Generating Sets With Compression-ignition Engines, Output 75kva-375kva
850213 / Generating Sets With Compression-ignition Engines, Exceeding 375kva
850220 / Generating Sets With Spark-ignition Internal Combustion Piston Engines
850230 / Other Generating Sets
850240 / Electric Rotary Converters

8502 ---- generator sets

Labeling requirements for portable generators:

American Standards

ASME PTC 4-1998, Fired Steam

Generators

Provides standard test procedures, which can

yield results giving the highest level of

accuracy consistent with current engineering

knowledge and practice.

ASME PTC 4.4-1981 (R2002), Gas Turbine

Heat Recovery Steam Generators

The purpose of this Code is to establish

procedures for the conduct and report of tests

of heat recovery steam generators (HRSG)

employed in combined cycle installations.

Combined cycle, as used herein, shall be

interpreted as a gas turbine exhausting into an

HRSG, which may or may not be arranged for

supplemental firing. This Code provides

standard test procedures which will yield

results having the highest level of accuracy

consistent with current engineering knowledge

and practice.

ASTM F1134-1997 (R2002), Specification

for Insulation Resistance Monitor for

Shipboard Electrical Motors and

Generators

ANSI/EASA AR100-2006, Recommended

Practice for the Repair of Rotating

Electrical Apparatus

Recordkeeping, tests, analysis, and general

guidelines for the repair of rotating electrical

apparatus, including generators and motors.

IEEE 112-2004, Test Procedures for

Polyphase Induction Machines

Covers instructions for conducting and

reporting the more generally applicable and

acceptable tests of polyphase induction motors

and generators.

IEEE 1310-2004, Recommended Practice

for Thermal Cycle Testing of

Form-Wound Stator Bars and Coils for

Large Generators

A test method to determine the relative ability

of high-voltage, form-wound stator bars and

coils of large rotating machines to resist

deterioration due to rapid heating and cooling

resulting from machine load cycling is

described.

IEEE 295-1969 (R2000), Electronics Power

Transformers

Pertains to power transformers and inductors

that are used in electronic equipment and

supplied by power lines or generators of

essentially sine wave or polyphase voltage.

Guides to application and test procedures are

included.

IEEE 387-1995 (R2001), Standard Criteria

for Diesel-Generator Units Applied as

Standby Power Supplies for Nuclear

Power Generating Stations

Describes the criteria for the application and

testing of diesel-generator units as Class 1E

standby power supplies in nuclear power

generating stations.

IEEE 492-1999 (R2005), Guide for

Operation and Maintenance of

Hydro-Generators

General recommendations for the operations,

loading, and maintenance of synchronous

hydro-generators and generator/motors are

covered.

IEEE 625-2001, Recommended Practices

to Improve Electrical Maintenance and

Safety in the Cement Industry

Applies to all electrical equipment such as

substations, power transformers, motor

controls, generators, distribution systems,

instruments, and storage batteries commonly

used in cement plants.

IEEE 67-2005, Guide for the Operation and

Maintenance of Turbine Generators

Covers general recommendations for the

operation, loading, and maintenance of

turbine-driven synchronous generators that

have cylindrical rotors.

IEEE C37.101-1993 (R2000), Guide for

Generator Ground Protection

Aids in the application of relays and relaying

schemes for protection against stator ground

faults on high-impedance grounded generators.

IEEE C37.102-1996 (R2001), Guide for AC

Generator Protection

Presents a review of the generally accepted

forms of protection for the generator and its

excitation system. Summarizes the use of

relays and devices, and serves as a guide for

the selection of equipment to obtain adequate

protection.

IEEE C37.18-1991 (R2003), Standard

Enclosed Field Discharge Circuit

Breakers for Rotating Electric Machinery

Applies to all low-voltage power-circuit

breakers that are intended for use in field

circuits of apparatus such as generators,

motors, synchronous condensers, or exciters

and embodying contacts for establishing field

discharge circuits.

IEEE C50.12-2005, Standard for

Salient-Pole 50 and 60 Hz Synchronous

Generators and Generator/Motors for

Hydraulic Turbine Applications Rated 5

MVA and Above

Contains requirements for all types of 50 and

60 Hz salient-pole synchronous generators and

generator/motors rated 5000 kVA and above to

be used for hydraulic turbine or hydraulic

pump/turbine applications.

IEEE C50.13-2005, Standard for

Cylindrical-Rotor 50 and 60 Hz,

Synchronous Generators Rated 10 MVA

and Above

Contains requirements for all types of 50 and

60 Hz cylinderical rotor synchronous

generators rated 10 MVA and above.

IEEE C62.21-2003, Guide for the

Application of Surge Voltage Protective

Equipment on AC Rotating Machinery

1000 Volts and Greater

Part 1 covers the insulation surge withstand

strength of motors and generators with

windings having form-wound multi-turn coils

and the application of surge protection to

form-wound multi-turn coils. Part 2 covers

application of surge protection to generators

with form-wound multi-turn coils, plus insulation

surge withstand strength and surge protection

of single-turn coil generators and motors

IEEE C62.92.2-1989 (R2005), Guide for the

Application of Neutral Grounding in

Electrical Utility Systems, Part II -

Grounding of Synchronous Generator

Systems

This section summarizes the general

considerations in grounding synchronous

generator systems and discusses the factors to

be considered in the selection of a grounding

class and the application of grounding

methods. The guidelines apply to both the large

and small generators found in electric utility

systems.

IEEE C62.92.3-1993 (R2005), Guide for the

Application of Neutral Grounding in

Electrical Utility Systems, Part III -

Generator Auxiliary Systems

Basic factors and general considerations in

selecting the class and means of neutral

grounding for electrical generating plant

auxiliary power systems are given in this guide.

ANSI/NECA 404-2006, Recommended

Practice for Installing Generator Sets

This standard describes the procedures for

installing and maintaining generator sets.

ANSI/NECA 406-2003, Recommended

Practice for Installing Residential

Generator Sets

This standard describes installation procedures

for the following:

(a) Generator sets permanently installed at

one-family dwellings to provide backup power.

These are usually rated 120/240 volts,

single-phase, three-wire. However, some large

homes have three-phase electrical systems

and use backup generators rated 120/208

volts, three-phase, four-wire.

(b) Generator sets fueled by gasoline, natural

gas, or liquefied petroleum (LP) gas.

ANSI/NECA 90-2004, Recommended

Practice for Installing Residential

Generator Sets

This recommended practice defines the

process of commissioning building electrical

systems and provides sample guidelines for

attaining optimum system performances which

conform to design, specifications, and

industry-accepted codes and standards.

NEMA MG 1-2003, Revision 1, Motors and

Generators

This standard is used by all North American

motor manufacturers in the construction and

performance of electric motors and generators.

It is also used by consulting and design

engineers in specifying motors for applications.

RVIA EGS-1-2003, Engine Generator Sets

for Recreational Vehicles

Sets forth safety requirements and standards

for engine generators having a continuous

rating of 15 kilowatts or less, intended for

installation and operation in recreational

vehicles and similar mobile applications. It is

not intended to apply to emergency or standby

generators for railroad car installations, military

specification engine generators, marine use, or

similar specialized equipment. Included in this

standard are recommended safety measures

for installations, use, and care.

ANSI/TIA 485-A-1998 (R2003), Electrical

Characteristics of Generators and

Receivers for Use in Balanced Digital

MultipointSystems

This standard specifies the electrical

characteristics of generators and receivers that

may be employed when specified for the

interchange ofbinary signals in multipoint

interconnection of digital equipment.

UL 2200-2004, Standard for Safety for

Stationary Engine Generator Assemblies

The following items are being considered for

public comment:

1. Addition of requirements covering

microturbines.

2. Definitions of bus bar and heat sink.

3. The deletion of a test covering oxide

inhibiting compounds.

4. The deletion of a requirement covering

fuses.

5. The addition of a test temperature for the

synthetic-rubber part immersion test.

6. Editorial corrections

UL 674-2003, Electric Motors and

Generators for Use in Hazardous

Locations, Class I Groups C and D, Class

II Groups E, F and G

Covers the following equipment for installation

& use in hazardous (classified)

locations:Electric motors & generators,

submersible & nonsubmersible sewage pumps

& systems, Class 1, Div. 1, Groups B, C, D &

Class II, Div. 1 Groups E, F, &

G.Explosion-proof equipment for use in Class

1, Zone 1, Groups IIA, IIB, & IIB plus hydrogen,

horizontal & vertical machines with fractional &

integral horsepower ratings for use on

alternating current or direct current.

Labeling Requirements for Portable Generators -- CPSC requirements

Test Report for Portable Generators ---- CPSC

International Standards

ISO 10816-2:2001

Mechanical vibration - Evaluation of machine vibration

by measurements on non-rotating parts - Part 2:

Land-based steam turbines and generators in excess of

50 MW with normal operating speeds of 1500 r/min,

1800 r/min, 3000 r/min and 3600 r/min

ISO 7919-2:2001

Mechanical vibration - Evaluation of machine vibration

by measurements on rotating shafts - Part 2:

Land-based steam turbines and generators in excess of

50 MW with normal operating speeds of 1500 r/min,

1800 r/min, 3000 r/min and 3600 r/min

ISO 6070:1981

Auxiliary tables for vibration generators - Methods of

describing equipment characteristics

ISO 5841-2:2000

Implants for surgery - Cardiac pacemakers - Part 2:

Reporting of clinical performance of populations of pulse

generators or leads

ISO 8528-3:2005

Reciprocating internal combustion engine driven

alternating current generating sets - Part 3: Alternating

current generators for generating sets

IEC 60034-22 Ed. 1.0 b:1996 Rotating electrical machines - Part 22: AC

generators for reciprocating internal combustion

(RIC) engine driven generating sets

Establishes the principal characteristics of a.c. generators

under the control of their voltage regulators when used for

reciprocating internal combustion engine driven generating

sets. Supplements the requirements given in IEC 60034-1.

IEC 60034-2A Ed. 1.0 b:1974 Rotating electrical machines - Part 2: Methods for

determining losses and efficiency of rotating

electrical machinery form tests (excluding

machines for traction vehicles) - First supplement:

Measurement of losses by the calorimetric method

Describes methods for measuring the efficiency of electrical

rotating machines either by determining total losses on load or

by determination of the segregated losses for air and water

cooling mediums. Applies to large generators but may be used

for other machines.

IEC 60092-301 Amd.1 Ed. 3.0 b:1994 Amendment 1 - Electrical installations in ships.

Part 301: Equipment - Generators and motors

IEC 60092-301 Amd.2 Ed. 3.0 b:1995 Amendment 2 - Electrical installations in ships.

Part 301: Equipment - Generators and motors

IEC 60092-301 Ed. 3.0 b:1980 Electrical installations in ships. Part 301:

Equipment - Generators and motors

Concerns rotating electrical machines rated at 750 W or more

and excitation machines. Includes relevant requirements for

prime-movers' driving generators.

IEC 60092-501 Ed. 3.0 b:1984 Electrical installations in ships. Part 501: Special

features - Electric propulsion plant

"Applies to electric propulsion machinery and plant. Deals with

the specifications, installation and testing of: propulsion

motors; propulsion generators and their prime movers;

electrical coupling; associated semiconductor convertors;

excitation systems; control monitoring, instrumentation and

protection equipment and systems; wires and cables. Bow and

stern thrusters intended as auxiliary steering devices, all

auxiliary generating plants and accumulator battery powered

propulsion machinery and equipment are excluded. "

IEC 60311 Ed. 4.1 en:2006 Electric irons for household or similar use -

Methods for measuring performance

"States and defines the principal performance characteristics

of electric dry irons, steam irons, spray irons,and steam irons

with seperate water reservoir or boiler/generator not exceeding

5L in capacity, for household or similar use."

IEC 60335-2-42 Ed. 5.0 b:2005 "Household and similar electrical appliances -

Safety - Part 2-42: Particular requirements for

commercial electric forced convection ovens,

steam cookers and steam-convection ovens"

"Deals with the safety of electrically operated commercial

forced convection ovens, steam cookers, steam-convection

ovens and, exclusive of any other use, steam generators, not

intended for household use. The rated voltage being not more

than 250 V for single-phase appliances connected between

one phase and neutral and 480 V for other appliances.

Appliances within the scope of this standard are typically used

in restaurants, canteens, hospitals and commercial enterprises

such as bakeries, butcheries, etc. The electrical part of

appliances making use of other forms of energy is also within

the scope of this standard."

IEC 60349-1 Ed. 1.1 b:2002 Electric traction - Rotating electrical machines for

rail and road vehicles - Part 1: Machines other

than electronic convertor-fed alternating current

motors

"Enables the performance of a machine to be confirmed by

tests and to provide a basis for assessment of its suitability for

a specified duty and for a comparison with other machines.

Applies to traction motors, engine driven main generators,

main motor-generator sets, auxiliary motors, auxiliary

generators, auxiliary motor-generator sets and auxiliary rotary

convertors."

IEC 60601-2-28 Ed. 1.0 b:1993 Medical electrical equipment - Part 2: Particular

requirements for the safety of X-ray source

assemblies and X-ray tube assemblies for medical

diagnosis

"Specifies the safety requirements for X-ray tube assemblies

for medical diagnoses and components thereof, specified for

use in medical X-ray equipment including equipment for

computed tomography, that incorporates a specified

high-voltage generator complying with IEC 60601-2-7 or IEC

60601-2-15. Supersedes IEC 60637. "

IEC 60624 Ed. 1.0 b:1978 Expression of the performance of pulse generators "Primarily intended for the manufacturer. Not applicable to

generators with pulsed sinusoidal outputs, television pattern

generators, complex function generators, and generators for

insulation resistance testing. Lays down a standard list of

performance characteristics to be used for describing the

performance of pulse generators. Defines which

characteristics should be specified and standard test

conditions. "

IEC 61922 Ed. 1.0 b:2002 High-frequency induction heating installations -

Test methods for the determination of power

output of the generator

"Applicable to industrial radio- or high-frequency induction

heating installations used for the purpose of thermal

applications (e.g. for surface hardening, welding, soldering,

melting, forging, zone refining of semiconductors, etc.).

Relates to high-frequency induction heating installations in the

frequency range up to 300 MHz for power levels of 500 W and

above, comprising high-frequency generators and inductors

together with necessary mechanical devices for charge

handling (e.g. hardening machines). The main purpose is to

provide the test methods for the determination of output power

of industrial high-frequency induction heating power sources."

IEC 61986 Ed. 1.0 b:2002 Rotating electrical machines - Equivalent loading

and super-position techniques - Indirect testing to

determine temperature rise

"Applies to machines covered by IEC 60034-1 when they

cannot be loaded to a specific condition (rated or otherwise)

for whatever reason. It is applicable to both motors and

generators but the methods are not suitable for machines of

and below 1 kW. Provides descriptions of various indirect load

tests, the purpose of which is to determine the temperature

rise of rotating electrical machines, including a.c. induction

machines, a.c. synchronous machines and d.c. machines. The

test methods in some cases provide, in addition, a means of

measuring or estimating other parameters such as losses and

vibration, but the methods are not designed specifically to

provide such data. "

IEC/TS 62257-7-1 Ed. 1.0 en:2006 Recommendations for small renewable energy

and hybrid systems for rural electrification - Part

7-1: Generators - Photovoltaic arrays

"Specifies the general requirements for erection and operation

of PV arrays in decentralized rural electrification systems.

Provides safety and fire protection requirements for ELV and

LV PV arrays intended to uninformed persons, including

owners and users of the premises where photovoltaic arrays

are installed; informed workers (e.g. electricians) working on

these systems; and emergency workers (for example fire

fighters)."

International Standards

ISO

ISO 10816-2:2001

Mechanical vibration - Evaluation of machine vibration

by measurements on non-rotating parts - Part 2:

Land-based steam turbines and generators in excess of

50 MW with normal operating speeds of 1500 r/min,

1800 r/min, 3000 r/min and 3600 r/min

ISO 7919-2:2001

Mechanical vibration - Evaluation of machine vibration

by measurements on rotating shafts - Part 2:

Land-based steam turbines and generators in excess of

50 MW with normal operating speeds of 1500 r/min,

1800 r/min, 3000 r/min and 3600 r/min

ISO 8528-3:2005

Reciprocating internal combustion engine driven

alternating current generating sets - Part 3: Alternating

current generators for generating sets

IEC 88528-11:2004

Reciprocating internal combustion engine driven

alternating current generating sets - Part 11: Rotary

uninterruptible power systems - Performance

requirements and test methods

ISO 8528-10:1998

Reciprocating internal combustion engine driven

alternating current generating sets - Part 10:

Measurement of airborne noise by the enveloping

surface method

ISO 8528-12:1997

Reciprocating internal combustion engine driven

alternating current generating sets - Part 12: Emergency

power supply to safety services

ISO 8528-1:2005

Reciprocating internal combustion engine driven

alternating current generating sets - Part 1: Application,

ratings and performance

ISO 8528-2:2005

Reciprocating internal combustion engine driven

alternating current generating sets - Part 2: Engines

ISO 8528-3:2005

Reciprocating internal combustion engine driven

alternating current generating sets - Part 3: Alternating

current generators for generating sets

ISO 8528-4:2005

Reciprocating internal combustion engine driven

alternating current generating sets - Part 4: Controlgear

and switchgear