En50160 Compliance Limits - Dranetz PowerGuide 4400 User Manual

EN50160 Compliance Limits

Compliance
limits
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The table below indicates the limit numbers or range of values required for each
parameter to pass QOS compliance and satisfy EN50160 standard.
Parameter
Un = Low Voltage (LV) Supply nominal voltage, upper limit 1kV
Uc = Medium Voltage (MV) Supply Characteristics - declared voltage, range 1kV to 35kV
Power frequency with
synchronous connection to an
interconnected system
Power frequency with no
synchronous connection to an
interconnected system
Magnitude of the supply voltage
(In low voltage systems, declared
and nominal voltage are equal)
Supply voltage variations (Under
normal operating conditions,
excluding situations arising from
faults or voltage interruptions)
Flicker
Supply voltage dips
Short interruptions of the supply
voltage
Temporary power-frequency
overvoltage between live
conductors and earth
Transient overvoltages between
live conductors and earth
Supply voltage unbalance
(Under normal operating
conditions)
www.
Limits for QOS Compliance to Pass
Mean value over 10 seconds
±
• 1% during 95% of one week
±
• 4% during 100% of one week
Mean value over 10 seconds
±
• 2% during 95% of one week
±
• 15% during 100% of one week
Mean rms over 10 minutes
±
• 10% of Un or Uc during 95% of one week
±
• 10% to 15% of Un during 100% of one week
Mean rms over 10 minutes
±
• 0% of Un or Uc during 95% of one week
• ±10% to 15% of Un during 100% of one week
Plt < 1 for 95% of the time
Also 5% normal, 10% infrequent for LV, 4 &6 for
MV
No criteria specified, just reported in DISDIP
table
<1 second for 70% of the short interruptions
1.5kV for LV
170% for solid or impedance earth,
200% unearthed of resonate earth
Short duration surges: <1 us
Medium duration surges: >1 to <100 us
Long duration surges: >100 us
10 minute mean rms values of the negative phase
sequence component/positive phase sequence
component
• <2% during 95% each period of one week
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