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IM02601004E
Page 91
6 Functions on the Web Server Pages
Energy Comparison
The Energy Comparison page shows the same information as the Energy Profile, but allows you to
compare data as follows:
• This Week with Last Week
• This Month with Last Month
• 2 different Weeks
• 2 different Months
To locate this page, select Energy Comparison from the drop-down box.
Point
Timestamp
Wh
Timestamp
Wh
1
August 01, 2010 12:00 AM -0400
48620.69922
August 29, 2010 12:00 AM -0400
43385.19922
2
August 02, 2010 12:00 AM -0400
125228.00000
August 30, 2010 12:00 AM -0400
123068.00000
3
August 03, 2010 12:00 AM -0400
128115.00000
August 31, 2010 12:00 AM -0400
130590.00000
4
August 04, 2010 12:00 AM -0400
120393.00000
September 01, 2010 12:00 AM -0400
138424.00000
5
August 05, 2010 12:00 AM -0400
118050.00000
September 02, 2010 12:00 AM -0400
123612.00000
6
August 06, 2010 12:00 AM -0400
100662.00000
September 03, 2010 12:00 AM -0400
80656.00000
7
August 07, 2010 12:00 AM -0400
49797.69922
September 04, 2010 12:00 AM -0400
54777.50000
09/29/2010
09/01/2010
To:
To:
08/29/2010
08/01/2010
2 different Months
From:
From:
Compare:
Comparison
View
Energy Comparison
18 Aug 08 07:38:48
Last Demand Reset:
A
Rate:
Active
-----------------------------------
Display Demand in Amps
Sum
Net
Delivered
Received
kVARh / kVAR
kVAh / kVA
Sum
Net
Reverse
Forward
kWh / kW
ENERGY / DEMAND
Energy
1 - NY Sales Office
11:33 AM -0400 Oct 08, 2010
QUALITY
The Quality section of the Power Xpert Meter outlines the measurements that have been calculated
and describes the health of the system. It consists of seven main sections of information, THD Cur-
rent, THD Voltage, K Factor, Crest Factor, Flicker and 9’s of Availability.
THD
The Total Harmonic Distortions (THD) is the ratio, expressed as a percent, of the rms value of the
ac signal after the fundamental component is removed and inter-harmonic components are ignored,
to the rms value of the fundamental. The formula for THD is provided below. The variables X
1
and
x
n
may represent either voltage or current and may be expressed either as rms or peak values, as
long as all are expressed in the same fashion.
X
1
= fundamental value of current or voltage.
x
n
= nth harmonic value of current or voltage.
CURRENT
The THD Current is calculated for peak phase A, B and, C as Amperes. Meanwhile, the TDD% is
calculated as a percentage of peak demand current. The THD Current is individually measured for
Odd, Even and Inter Harmonics. Maximum THD Current is determined using individual phase THD
Currents. All of the THD Current measurements in the Power Xpert Meter are trended and mini-
mum and maximum values are logged with date and time stamps.
Содержание Power Xpert PXM 4000
Страница 1: ...User and Installation Manual IM02601004E Power Xpert PXM 4000 6000 8000 ...
Страница 8: ...Page vi IM02601004E www eaton ...
Страница 19: ...www eaton com IM02601004E Page 11 1 Introduction ...
Страница 24: ...Page 16 IM02601004E www eaton ...
Страница 36: ...Page 18 IM02601004E www eaton com 2 Quick Start Guide for the Meter Module ...
Страница 45: ...www eaton com IM02601004E Page 37 3 Installation 3 8 MeterDimensions ...
Страница 46: ...Page 38 IM02601004E www eaton 3 Installation Dimension Con t ...
Страница 47: ...www eaton com IM02601004E Page 39 3 Installation Dimension Con t ...
Страница 48: ...Page 40 IM02601004E www eaton 3 Installation Dimension Con t ...
Страница 53: ...www eaton com IM02601004E Page 45 3 Installation ...
Страница 54: ...Page 46 IM02601004E www eaton 3 Installation ...
Страница 55: ...www eaton com IM02601004E Page 47 3 Installation ...
Страница 56: ...Page 48 IM02601004E www eaton 3 Installation ...
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Страница 66: ...Page 58 IM02601004E www eaton 3 Installation ...
Страница 75: ...www eaton com IM02601004E Page 67 4 Introduction to Web Server Screens ...
Страница 76: ...Page 68 IM02601004E www eaton 4 Introduction to Web Server Screens ...
Страница 86: ...Page 78 IM02601004E www eaton 5 Introduction to the Local Graphical Display ...
Страница 108: ...Page 100 IM02601004E www eaton 6 Functions on the Web Server Pages ...
Страница 128: ...Page 120 IM02601004E www eaton 7 Functions on the Graphical Display ...
Страница 164: ...Page 156 IM02601004E www eaton 8 Setup on the Web Server Pages ...
Страница 198: ...Page 190 IM02601004E www eaton A MODBUS Communication ...
Страница 242: ...Page 234 IM02601004E www eaton ...
Страница 252: ...Page 244 IM02601004E www eaton D Diagnostics ...
Страница 254: ...Page 246 IM02601004E www eaton D Diagnostics ...