Yamaha V150A Manual do Utilizador Página 40

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TRANSIENT TEST SYSTEM
UCS N | CNI B.
In a connection to a public power supply network, load changes such as
starting an engine result in voltage drops. These are due to voltage drops
in the supply lines. Short circuits and switching operations in the power
supply network lead to brief voltage interruptions. The PFS N with the
-phase motor variac MV PDS simulates these voltage drops and
interruptions.
Unique here is the switch from -phase motor variac into star-delta opera-
tion, which is used to simulate the actual operational conditions. Within
 s, the Power Fail Generator PFS N switches the supply voltage from
the power supply to the lower voltage.
TECHNICAL DATA EXCERPT
PFS N (-phase)
PFS N  x  V AC,  A per phase
PFS N  x  V AC,  A per phase
PFS N  x  V AC,  A per phase
PFS Nxx.  x  V AC, – A per phase
Frequency  /  Hz
Peak current >  A ( A model)
> . A ( A /  A models)
Rise times  µs to  µs in a pure  Ω load
Synchronization °–°, ° resolution
MV PxxDS Motor variac
Design -phase column transformer
Operation mode Star or Delta operation
Control range voltage Star: – V (L-N)
Delta: – V (L-L)
 A,  A,  A,  A
Current range  A,  A,  A,  A
Voltage accuracy %
V PxxDS Transformer with fixed taps
Design Column transformer fixed taps at %,
%,%, %,%
Operation mode Star or delta operation
Models for  A,  A
APPLICATIONS
SUPPORTED STANDARDS EXCERPT
> IEC --
> IEC --
> IEC -
> IEC -
> IEC --
DIP Star %
DIP Delta %
DIP Star %
DIP Delta %
D r o p S t a r
Drop Delta
Interruption
PHASE TEST SYSTEM FOR VOLTAGE DIPS
AND INTERRUPTIONS
PFS N | MV PDS PHASE
For the testing of electric vehicles and their components, the multifunc-
tional generators UCS N and UCS N are the universal genera-
tors for all transients and power fail tests. For a single phase DUT, the
integrated coupling/decoupling network can be used. The test rack with
the UCS N is expanded with the three-phase coupling network
CNI B..
The test system lends itself to testing -phase and -phase DUTs with
voltage supplies of up to  x  V AC (versions up to  V are availa-
ble). A DC voltage input (which can be switched o using a special DC
switch) is integrated into the test system for DC DUTs or DUTs on HV+ or
HV- lines. DUTs can be tested with up to , V DC and a current of up
to  A.
TECHNICAL DATA EXCERPT
UCS N
EFT/Burst per EN/IEC --
Test voltage  V–, V ± %
Rise time (tr)  ns ± % to  ohm
Pulse duration (td)  ns ± % to  ohm
Polarity Positive/negative
Surge per EN/IEC --
Test voltage  V–, V ± %
Rise time . µs ± %
Time to half value  µs ± %
Short-circuit current max. . kA, / µs
Polarity Positive / negative / alternating
CNI B.
CDN  x  V,  A AC, . V,  A DC
EFT/Burst up to . kV
Surge up to  kV
DUT models  x  V AC/. V DC, up to  A
Rack
Dimensions (L x W x H)  HU,  mm x  mm x , mm
GENERATED PULSES
SUPPORTED STANDARDS EXCERPT
> IEC --
> IEC --
> IEC --
> IEC --
> IEC --
> IEC --
> IEC --
> EN --
> EN --
> ANSI/IEEE C.
> IEC -, Ed. , Part 
> IEC -, Ed. , Part 
> IEC -, Ed. , Part 
> IEC -, Ed. , Part 
> ECE Regulation Nr. 
> Various manufacturer
specifications
EFT burst positive
EFT burst negative
Surge positive
Surge negative
Power fail (dips)
Power fail (interruption)
Ringwave positive
Ringwave negative
H-field / Hz
H-field pulsed
 
AUTOMOTIVE > EMC TEST SYSTEMS FOR AUTOMOTIVE ELECTRONICSAUTOMOTIVE > EMC TEST SYSTEMS FOR AUTOMOTIVE ELECTRONICS
> IEC -/IEC --/IEC--
> DUTs up to  x  V and  A per phase
> Inrush current up to , A
> AC supply with real star-delta circuit
> -phase column transformer with magnetic coupling
> Per ECE Regulation No. ,
IEC -, ed. , part 
> Burst and surge tests
> AC: -phase up to  V/ A
> DC: up to , V/ A
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