BS 7688:1993
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Test methods for electro-slag remelting furnaces
Hardcopy , PDF
22-02-2006
English
15-09-1993
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Committees responsible
National foreword
National annex
Section one - General
1 Scope
2 Object
3 Terminology
3.1 Electro-slag remelting furnace
3.2 Electroheating installation with electro-slag
remelting furnace
3.3 Power of an electroheating installation (apparent
power S in kilovoltamperes or active power P in
kilowatts)
3.4 Power factor of an electroheating installation
(cos phi)
3.5 Specific energy consumption e (kWh/kg)
3.6 Mould (crucible) of an electro-slag remelting
furnace
3.7 Secondary electrical circuit of an electro-slag
remelting furnace
3.8 Electro-slag remelting furnace electrode(s)
(consumable electrode)
3.9 On-load voltage of an electro-slag remelting
furnace (point C in the diagram of Appendix A)
3.10 Furnace rated current In (r.m.s. value-A) at
nominal frequency fn
3.11 Rated values of an electro-slag remelting furnace
3.12 Rated frequency fn (Hz)
3.13 Continuous operation of a furnace
3.14 Steady state of an electro-slag remelting furnace
Section two - Technical tests
4 Types of tests and general conditions of tests
4.1 List of technical tests
Section three - Description of technical tests
5 Method for tests and technical measurements
5.1 Measurement of open-circuit secondary voltage of
the electroheating installation
5.2 Measurement of electrical parameters of secondary
circuit of the electroheating installation
5.3 Measurements of active power, reactive power and
power factor of the electroheating installation
5.4 Measurement of temperature of components which are
subject to magnetic field and/or radiated or
convected heat
5.5 Measurement of temperature rise of the cooling
circuit
5.6 Determination of the specific energy consumption
Appendix
A Diagram of an electro-slag remelting furnace
circuit
National annex
NA (informative) Cross-reference
Provides a consistent method of testing remelting, refining metals through direct resistance heating of conductive slag.
| Committee |
RHE/24
|
| DevelopmentNote |
Supersedes 86/21628 DC (10/2005)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| IEC 60779:1983 | Identical |
| BS 6180:1999 | Barriers in and about buildings. Code of practice |
| BS 4727-2:GRP10(1985) : 1985 | GLOSSARY OF ELECTROTECHNICAL POWER TELECOMMUNICATION ELECTRONICS LIGHTING AND COLOUR TERMS - TERMS PARTICULAR TO POWER ENGINEERING - INDUSTRIAL ELECTROHEATING TERMINOLOGY |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.