Sabroe
Refrigeration Plant Computation
Version 20.03
 
File
 :
Holbaek
Ref
 :
ALB
Page :
1
 
Date
 :
2010/09/07
Time
 :
14.11.01
    
 
User
 :
YORK REGION OST - ROSKILDE
 
Prog
 :
COMP1/204514
Print
 :
MIE ver. 6.0.2900.5512
SINGLE STAGE COMPRESSOR
  compressor type
HPC 108 S
number of compressors 1.00    
compressor load 100.0   %
  drive shaft speed 1470.0   RPM (list)
  no. of working cylinders: 8/ 8    
  drive type direct    
  suction line loss 0.2   K
  discharge line loss 0.0   K
refrigerant R 717    
evaporating temperature 15.0   deg.C
condensing temperature 35.0   deg.C
total suction superheat 0.0   K
suction line superheat 0.0   K
total liquid subcooling 2.0   K
condenser liquid subcooling 2.0   K
  total cooling capacity 732.4   kW   total shaft power req. 73.3   kW
  total heating capacity
806.
   kW   cooling cap./shaft power ratio 9.99    
            cooling cap./line power ratio 9.20    
  equipment for head cooling water
  equipment for oil cooling included
       
  oil separator:
OVUR 5008HP
          
  motor:
Leroy/160kW/400V/50Hz/IP23/315S/In=291A
   power line
50 Hz - 400 V
  start-up:
star/delta
    
  motor eff.
0.921
   motor line power cons. 79.6   kW
  operating conditions:      
suction pressure 7.24   bar_a
suction temperature 14.80   deg.C
  suction specific volume 0.1758   m3/kg
  enthalpy difference (ref.) 1121.88   kJ/kg
  suction side mass flow 0.6529   kg/s
  swept volume 443.3   m3/h
  cover cooling water flow 0.4   m3/h
  cover cooling pressure loss 7.52   kPa
       
discharge pressure 13.50   bar_a
discharge temperature 68.26   deg.C
disch. temp. at min. load 83.02   deg.C
discharge specific volume 0.1126   m3/kg
condenser subcooled liquid density 590.6   kg/m3
evaporator saturated liquid density 617.6   kg/m3
pressure ratio (p2/p1) 1.87    
  errors and warnings:
  NB: chosen motor may be bigger than needed
  NB: All data valid for fixed speed drive only !
  NB: design limits violation - please run Design Limits Check !
   
Sabroe
Refrigerant Plant Computation
Version 20.03
 
File
 :
Holbaek
Ref
 :
ALB
Page :
2
 
Date
 :
2010/09/07
Time
 :
14.11.01
    
 
User
 :
YORK REGION OST - ROSKILDE
 
Prog
 :
COMP1/204514
Print
 :
def. not found
   
   
            Noise data - one compressor unit
            --------------------------------
          Sound Power:         100.1 +/- 3 dB(A) re 10E-12 Watt
            Mean Sound Pressure:  83.4 +/- 3 dB(A) re  2E-5  N/m2
            Free field over reflecting plane, dist. = 1 m
            Ref. surface: L= 2.4  W= 1.1  H= 1.2 m
   
            Frequency   ---- Sound Power ----  Mean Sound Press.
            .           Compr.  Motor    Total       Total
            .  Hz        dB      dB       dB          dB
               63       90.2    86.6     91.8        75.1
              125       95.2    93.6     97.5        80.8
              250       91.2    91.6     94.4        77.7
              500       91.0    87.6     92.7        76.0
               1k       94.7    93.6     97.2        80.5
               2k       91.5    84.6     92.3        75.6
               4k       86.2    87.6     90.0        73.3
               8k       77.5    73.6     79.0        62.3
   
            dB(L)      100.7    99.0    103.0        86.3
            dB(A)       98.0    96.0    100.1        83.4
            Motor: 160.0 kW - IP23 - pole: 4 - 50 Hz - Leroy-P-315S