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MI 2893
METREL MI 2893 User Manual
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MI 2893 / MI 2
8
92 / MI 2
885
Connection set
up
147
Figure 121: Voltage ratio fo
r 11 kV / 110 transfor
mer example
Instrument should be
connected to the network acc
o
rding
to figure below.
N
L2
L1
hi
g
h
voltag
e
pow
er
pl
ant
measuring instr
u
ment
s
A
A
A
L3
x
A
/
5A
x
A
/
5A
x
A
/
5A
Tr
ans
former
Type
:
:
Meas
urem
ent Se
tti
n
gs
Conne
c
tion
s
etup
Nomi
nal
Volt
age
Y
Δ
:
1
Figure 122: Connecting
instrument to the exi
st
ing curr
ent transformers in
medium voltage system (Aa
ron
/ OpenDelta)
146
148
Table of Contents
Table of Contents
3
List of Figures
10
Figure 1: Power Master XT Instrument
14
Introduction
14
Figure 2: Front Plates and Marking Labels
15
Main Features
15
Safety Considerations
16
Applicable Standards
17
Abbreviations
18
Description
28
Figure 3: Front Panel
28
Front Panel
28
Connector Panel
29
Figure 4:Top Connector Panel
29
Figure 5: Side Connector Panel
29
Accessories
30
Bottom View
30
Figure 6: Bottom View
30
Optional Accessories
30
Standard Accessories
30
Figure 7: Display Symbols and Keys Description
31
Figure 8: Common Display Symbols and Labels During Measurement Campaign
31
Operating the Instrument
31
Figure 9: Instrument Status Bar
32
Instrument Status Bar
32
Instrument Keys
33
Figure 10: Inserting Microsd Card
34
Instrument Main Menu
34
Instrument Memory (Microsd Card)
34
Figure 11: "MAIN MENU
35
Instrument Submenus
35
Figure 12: Measurements Submenu
36
Figure 13: Recorders Submenu (MI 2893)
36
Figure 14: Recorders Submenu (MI 2892/MI 2885))
36
Figure 15: Measurement Setup Submenu
36
Figure 16: General Setup Submenu
37
Figure 17: U, I, F Meter Phase Table Screens (L1, L2, L3, N)
37
Meter
37
U, I, F
37
Figure 18: U, I, F Meter Summary Table Screens
38
Figure 19: Voltage Only Waveform
39
Figure 20: Current Only Waveform
39
Scope
39
Figure 21: Voltage and Current Waveform (Single Mode)
40
Figure 22: Voltage and Current Waveform (Dual Mode)
40
Figure 23: Voltage Trend (All Voltages)
41
Figure 24: Voltage Trend (Single Voltage)
41
Figure 25: Voltage and Current Trend (Single Mode)
41
Figure 26: Voltage and Current Trend (Dual Mode)
41
Trend
41
Voltage and Current Trends
41
Figure 27: Trends of All Currents
42
Figure 28: Frequency Trend
42
Figure 29: Power Measurements Summary (Combined)
44
Figure 30: Power Measurements Summary (Nonfundamental)
44
Figure 31: Power Measurements Summary (Fundamental)
44
Meter
44
Power
44
Figure 32: Detailed Power Measurements at Phase L1
45
Figure 33: Detailed Total Power Measurements
45
Figure 34: Power Trend Screen
47
Trend
47
Energy
50
Figure 35: Energy Counters Screen (General Recorder Is Running)
50
Meter
50
Figure 36: Energy Counters Screen (General Recorder Is Not Running)
51
Figure 37: Energy Trend Screen
52
Trend
52
Efficiency
53
Figure 38: Energy Efficiency Screen
53
Figure 39: Harmonics and Inter-Harmonics (METER) Screens
55
Figure 40: Phase Harmonics Presentation (U,I,P)
55
Harmonics / Inter-Harmonics
55
Meter
55
Figure 41: Harmonics Histogram Screen
57
Histogram (Bar)
57
Harmonics Average Histogram (Avg Bar)
58
Figure 42: Harmonics Average Histogram Screen
59
Figure 43: Harmonics and Inter-Harmonics Trend Screen
60
Trend
60
Figure 44: Flickers Table Screen
62
Flickers
62
Meter
62
Figure 45: Flickers Trend Screen
63
Trend
63
Phase Diagram
64
Figure 46: Phase Diagram Screen
65
Figure 47: Unbalance Diagram Screen
65
Unbalance Diagram
65
Figure 48: Symmetry Trend Screen
66
Unbalance Trend
66
Temperature
67
Figure 49: Temperature Meter Screen
68
Figure 50: Temperature Trend Screen
68
Meter
68
Trend
68
Meter
69
Under Deviation and over Deviation
69
Trend
70
Meter
71
Signalling
71
Trend
72
Table
73
General Recorder
74
Waveform/Inrush Recorder
77
Setup
78
Capturing Waveform
79
Captured Waveform
82
Power Master XT - MI 2893
84
Setup
84
Transient Recorder
84
Power Master/Master Q4 - MI 2892/MI 2885
87
Setup
87
Capturing Transients
89
Captured Transients
91
Events Table
92
Group View
92
Phase View
94
Alarms Table
96
Rapid Voltage Changes (RVC) Table
98
Inrush Table
99
E-Meter Recorder (MI 2892/MI 2885)
100
Memory List
105
General Record
108
Waveform Snapshot
111
Transients Record
112
Waveform/Inrush Record
112
Connection Setup
113
Measurement Setup Submenu
113
Event Setup
118
Alarm Setup
120
Signalling Setup
121
Rapid Voltage Changes (RVC) Setup
122
Measuring Methods Setup
123
Transient Setup
124
General Setup Submenu
125
Communication
126
Time & Date
127
Instrument Info
129
Language
129
Lock/Unlock
130
Colour Model
132
Backlight
133
Measurement Campaign
135
Recording Practice and Instrument Connection
135
Connection Setup
141
Connection to the LV Power Systems
141
Connection to the MV or HV Power System
146
Current Clamp Selection and Transformation Ratio Setting
150
Connection Check
154
Temperature Probe Connection
156
GPS Time Synchronization Device Connection
157
Communication Principle
158
Remote Instrument Connection (over Internet / Internet(3G/GPRS) / Intranet (LAN))
158
Instrument Setup on Remote Measurement Site
159
Powerview Setup for Instrument Remote Access
160
Remote Connection
161
Number of Measured Parameters and Connection Type Relationship
172
Measurement Aggregation over Time Intervals
179
Measurement Methods
179
Theory and Internal Operation
179
Voltage Measurement (Magnitude of Supply Voltage)
179
Current Measurement (Magnitude of Supply Current)
180
Frequency Measurement
181
Modern Power Measurement
181
Classic Vector and Arithmetic Power Measurement
186
Energy
189
Harmonics and Interharmonics
190
Signalling
192
Flicker
193
Voltage and Current Unbalance
193
Under-Deviation and Over-Deviation
194
Voltage Events
195
Alarms
198
Rapid Voltage Changes (RVC)
199
Data Aggregation in GENERAL RECORDING
200
Flagged Data
204
Waveform Recorder
204
Waveform Snapshot
204
Transient Recorder
208
50160 Standard Overview
209
Power Frequency
210
Supply Voltage Unbalance
210
Supply Voltage Variations
210
THD Voltage and Harmonics
210
Flicker Severity
211
Interharmonic Voltage
211
Mains Signalling on the Supply Voltage
211
Voltage Dips
211
Long Interruptions of the Supply Voltage
212
MI 2893/MI 2892/MI 2885 Recorder Setting for en 50160 Survey
212
Short Interruptions of the Supply Voltage
212
Voltage Swells
212
General Description
214
General Specifications
214
Measurements
214
Technical Specifications
214
Line Voltages
216
Phase Voltages
216
Current
218
Flickers
221
Frequency
221
Transients
221
Combined Power
222
Fundamental Power
222
Nonfundamental Power
223
Displacement Factor (DPF) or Cos Φ)
224
Energy
224
Power Factor (PF, Pfe, Pfv, Pfa)
224
Current Harmonics, THD and K-Factor
225
Voltage Harmonics and THD
225
Current Interharmonics
226
Voltage Interharmonics
226
Overdeviation and Underdeviation
227
Signalling
227
Temperature Probe
227
Time and Duration Uncertainty
227
Unbalance
227
400Hz Systems Specification
228
Differences in Specification between 400Hz, VFD and 50/60 Hz Systems
228
Phase Angle
228
VFD (Variable Frequency Drive) Systems Specification
228
General Recorder
229
Recorders
229
Transient Recorder
230
Waveform Snapshot
230
Waveform/Inrush Recorder
230
Compliance to the IEC 61557-12
232
Standards Compliance
232
Compliance to the to the IEC 61000-4-30
233
Inserting Batteries into the Instrument
234
Maintenance
234
Batteries
235
Firmware Upgrade
236
Requirements
236
Upgrade Procedure
237
Cleaning
240
Power Supply Considerations
240
Periodic Calibration
241
Service
241
Troubleshooting
241
Version of Document
241
4
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METREL MI 2893 Specifications
General
Brand
METREL
Model
MI 2893
Category
Measuring Instruments
Language
English
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