Electrical Utilities

 

Applied compressor technology to the electrical utilities, designing and manufacturing complete systems, as well as sub-assemblies.

Transmission and Distribution

High Voltage Airblast Breakers

Critical applications where quality, performance and reliability are essential. Stephens Equipment designs and manufactures complete air blast circuit breaker compressor systems and subsystems for this function.

Central air systems
Turnkey systems encompassing two or more industrial high-pressure compressors contained within a walk-in enclosure. These systems are situated in a location accessible to supply all the required breakers.

Special features

  • Equipped with efficient inter and after coolers; approach temperatures of 10C
  • High pressure Air Dryers with an atmospheric dew point of -80C
  • MCC.s; fully automated systems using PLCs
  • High pressure storage vessels
  • Pressure reduction panels
  • Air Distribution panels
  • Thermostatically controlled heating and ventilation

Central air system installed at a major Canadian utility company. 1 of 40 supplied to this customer since 1973.

Central air system supplied to a major American utility company.

Pneumatically Operated OCBs

For replacement of Keystone or other compressors used in Brown Boveri, Delle Alsthom and GE breakers ( see application chart below) Stephens offers industrial grade compressors

Replacement Compressors

To replace aging Worthington compressors Stephens Equipment offers modern air-cooled high-pressure compressor packages.

Air Blast Breakers with OEM Worthington compressors

Stephens Equipment replacement compressor packages

 
 

Replacement Compressors for OCBs

Breaker
Manufacturer

Breaker model

Mechanism

KV Rating

Replacement Compressor / System

BROWN

BOVERI

CORP.

DLF, DLVF DLVFK

 

 

 

121 - 765

-Becker Cabinets

-Central Air Systems

ELF   138 - 345

SEIBB-350-2H35

SEIBB-175-2H35

DELLE ALSTHOM

PK2, PK4, PK6

PK8, PK10

 

115 - 765

-Becker Cabinets

-Central Air Systems

GOULD

 

145GA, 362GA

 

138 - 345

SEIT-175-2H35, U

ITE

 

69-KS-*

 

69

SEITE-150C

GENERAL

ELECTRIC

FK, FHKO, FGK, FG, FKA, FKD FKF, FKM, FKO

 

MA-13, MA-14

MA-15

MA-19

 

59 - 345

-SEIGE-150C

-SEIGE-175-2H35C

 

ATB-0, -2, -3-7   115 - 550

-Becker Cabinets

-Central Air Systems

WESTINGHOUSE

SF, SFA

AH-10

138 - 765

SEIWES-250, C, U

SEIWES-150, C, U

G, GM, GO

GS, SP

AA-7

AA-10

  SEIWES-175-2H35,C U

ALLIS CHALMERS

BZ

BZO

 

69 - 138

SEIWAC-150, C, U

HITACHI,

G.E. HITACHI

 

HVB

 

138 - 345

SEIHVB-350-2H35C, P

SEIHVB-175-2H35C, P

 
Stephens Equipment Inc. Headquarters 2750 Brabant-Marineau, Montreal, Canada H4S 1L1
North American Toll Free Number 1-800-567-3086 Telephone : (514) 332-1230 Fax : (514) 331-2084