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CHAP
. 15
GE Healthcare
Senographe 2000 D Acquisition System
REV 1
OM 5179217–1–100
165
CHAPTER 15 – SPECIFICATIONS
1.
TECHNICAL SPECIFICATIONS
1-1
Electrical Specification
Mode of operation: Continuous operation with intermittent loading.
1-1-1
Line voltage specifications
D
Single-phase input voltage (phase-neutral or phase-phase):
– 200/208/220/240/380/415 V (+ 10 %)
D
Can be powered by single-phase 440 V (+ 10%) using optional transformer.
D
Line frequency specifications
50 or 60 Hz (+ 5%)
D
Protection against electrical shocks: class 1, type B.
D
The maximum line current corresponds to the use of the technique factors 30 kV, Mo track, large
focal spot, and 100 mAs.
1-1-2
kVA load characteristics
•
Maximum power in standby: 1.5 kVA.
•
Maximum instantaneous power (during exposures, up to 6 seconds) 9 kVA.
•
Power factor: 0.6
•
Line current crest factor: 1.7 at 200 V to 2 at 415 V.
1-1-3
Input impedance
The apparent resistance of the mains supply R
L
must be less than that which would cause a voltage
drop of 6% at the maximum power load of 9 kVA.
For a nominal supply voltage of 380 V, the line resistance R
L(380)
must be less than 1
Ω:
R
L(380)
< 1
Ω
For other supply voltages, calculate the equivalent permissable resistance value in ohms as follows:
R
L(U)
= RL(380) x (U/380)
Where:
U = local input voltage
R
L(U)
= total apparent resistance (two–wire) of the supply at the local voltage (U).
R
L(380)
= total apparent resistance (two–wire) of the supply at 380 V.
Thus, as R
L(380)
must be less than 1
Ω,
the value of RL(U) must be less than (U/380).
1-1-4
Generator Output (excluding tube)
D
22 thru 49 kV,
D
20 thru 130 mA.
1-1-5
Duty Cycle
The generator is always limited by the tube:
FOR
TRAINING
PURPOSES
ONLY!
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