WRV CO

MPRESSO

R DATABOO

KTYPICAL CURVES ABSORBED TORQUE/SPEED CURVES ELECTRIC MOTOR DRIVE

VALVE AT MINIMUM CAPACITY POSITION APPLIES TO ALL VOLUME RATIOS. AVAILABLE POWER SHOULD BE 10% GREATER THAN COMPRESSOR FULL LOAD ABSORBED POWER

NOTE: VALUES SHOWN REFER TO THE MALE ROTOR INPUT SHAFT. TORQUE SHOWN IS THE ABSORBED TORQUE.AVAILABLE TORQUE MUST BE GREATER TO START COMPRESSOR.

WHERE A DRIVE UNIT WITH ACCELERATION MUCH LOWER THAN AN ELECTRIC MOTOR IS TO BE USED TORQUE/SPEED CURVENo. RDB 3.4.03 SHOULD BE USED.

February 2003 3-47

WRV COMPRESSOR DATABOOKTY

PICA

LCU

RVES

ABSO

RBED

TORQ

UE/S

PEED

CURV

ESSL

OW

ACCE

LERA

TIO

NDR

IVE

UNIT

VALV

E AT

MIN

IMU

M C

APAC

ITY

POSI

TIO

N A

PPLI

ES T

O A

LL V

OLU

ME

RAT

IOS.

AV

AILA

BLE

POW

ER S

HO

ULD

BE

10%

GR

EATE

R T

HAN

CO

MPR

ESSO

R F

ULL

LO

AD A

BSO

RBE

D P

OW

ER

NO

TE:

VALU

ES S

HO

WN

REF

ER T

O T

HE

MAL

ER

OTO

RIN

PUT

SHAF

T.

TOR

QU

E SH

OW

N I

S TH

E AB

SOR

BED

TO

RQ

UE.

AV

AILA

BLE

TOR

QU

E M

UST

BE

GR

EATE

R T

O S

TAR

T C

OM

PRES

SOR

.

February 2003 3-48