HSE.85 expander with SE-B*, generator operation

Generator operation of a screw expander using the example of a HSE.85 with protection device SE-B*
Generator operation of a screw expander using the example of a HSE.85 with protection device SE-B*

Last revision of the diagram:

08.11.2024

Schematic wiring diagram for an expander at the example of HSE.85

Abbr.

Component

B01

Compressor protection device

B02

Discharge gas temperature sensor

B03 .. 08

Temperature sensors in motor windings

B10

High pressure switch

B11

Low pressure switch

B24

Oil thermostat

B71

Mains monitoring device

B72

Speed sensor

F01

Main fuse

F03

Control circuit fuse

K19

Auxiliary relay: safety chain enabled

M01

Compressor motor

M70

Pump

P05

Light: compressor fault

P70

Speed measurement

Q01

Main switch

Q05

Control transformer fuse

Q06

Overload protective device

Q70

Motor operated power breaker

R70

Braking device

S02

Reset of compressor safety chain

T01

Control transformer (example for 230 V, required according to EN60204-1)

T08

Inverter

T09

Rectifier

Technical documents for further information: