Satec PM175 Manual User Manual Page 97
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Chapter 4 PAS Application Software
EN50160 Evaluation and Recording
Series PM175 Powermeters
97
The PQ recorder is programmable to trigger the waveform
recorder to record the fault waveforms before, during and after
the PQ event for detailed event analysis.
Methods of Evaluation
This section describes methods used by the PM175 for
evaluating supply voltage characteristics to ensure compliance
with the standard.
Frequency Variations
Method of Evaluation
The basic frequency measurement is the mean value of the
frequency over fixed time intervals of 10 seconds under
normal operating conditions.
A frequency variation is not evaluated if the supply voltage
crosses a voltage tolerance limit (15% Un).
Target Values
The ranges of frequency variations given in the EN50160 are:
50Hz1% for 95% of a week
50Hz1% for 99.5% of a year
50Hz+4/-6% for 100% of the time
The same limits are used for 60Hz systems. The frequency
compliance limit can be programmed in the meter in percent of
the nominal power frequency via the EN50160 PQ Recorder
setup.
Supply Voltage Variations
This characteristic defines slow variations of steady state
supply voltage magnitude.
Method of Evaluation
The basic supply voltage magnitude measurement is the RMS
value of the steady state voltage over a period of 10 minutes
under normal operating conditions.
A voltage variation is not evaluated if the supply voltage
crosses a voltage tolerance limit (15% Un).
Target Values
The range of voltage variations given in the EN50160 is:
10% Un for 95% of a week
The supply voltage compliance limit can be changed in the
meter via the EN50160 PQ Recorder setup.
Rapid Voltage Changes
Rapid voltage changes are sudden but relatively weak voltage
variations between two steady state voltage levels.
Method of Evaluation
Evaluation of rapid voltage changes is made on an hourly
basis. The RMS voltage is evaluated over 3-second time
integration intervals. The meter establishes the maximum
difference of the RMS voltage between two intervals selected
from three 3-second consecutive intervals and compares it
with the target compliance limit.
- Powermeter and Power 1
- Quality Analyzer 1
- LIMITED WARRANTY 2
- WARNING 2
- Table of Contents 3
- Features: 6
- Measured Parameters 8
- Chapter 2 Installation 10
- Chapter 2 Installation 11
- Mechanical Installation 11
- DIN Rail Mounting 13
- Remote Display Installation 14
- Special Cutout 15
- Electrical Connection 16
- Electrical Installation 18
- Terminals 19
- Power Source Connection 19
- Chassis Ground Connection 19
- Wiring Diagrams 20
- I/O Connections 25
- Analog Outputs 26
- Analog Inputs 26
- Communications Connections 27
- COM1 RS-422/485 Connection 28
- COM1 Ethernet Connection 29
- RS-485 MULTI-DROP CONNECTION 31
- Indicators and Controls 32
- Data Display 33
- Navigation Buttons 34
- Common Measurements Display 35
- Energy Display 38
- Status Display 39
- Using the Menus 41
- Entering the Password 42
- Selecting a Menu Entry 42
- THD/TDD 43
- Menu Operations 44
- Device Options 45
- Network Address 47
- Counters Setup 47
- Control Setpoint Setup 48
- Analog Inputs Setup 49
- Analog Outputs Setup 51
- Analog Expander Setup 52
- Timers Setup 53
- Display Setup 53
- Meter Security 54
- Setting the Device Clock 55
- Demands 56
- Configuration Database 57
- Setting up Communications 57
- Configuring a Modem 59
- Setting Up the Meter 60
- Authorization 61
- Setting Up the Ethernet 62
- General Meter Setup 63
- Basic Meter Setup 64
- Local Settings 67
- Using Digital Inputs 68
- Using Relay Outputs 69
- Programming Analog Inputs 71
- Programming Analog Outputs 73
- Using Counters 76
- Using Periodic Timers 77
- Using Control Setpoints 77
- Recording Setpoint Events 81
- Registers 82
- Configuring Recorders 86
- Conventional Data Log Files 88
- EN50160 Background 94
- Evaluation Techniques 95
- Methods of Evaluation 97
- Voltage Interruptions 99
- Temporary Overvoltages 99
- Series PM175 Powermeters 100
- Harmonic Voltage 101
- Interharmonic Voltage 101
- EN50160 PQ Recorder Setup 103
- EN50160 Advanced Setup 106
- Configuring Modbus 107
- Configuring DNP3 108
- Configuring DNP Class 0 110
- Remote Device Control 113
- Event Flags 114
- Device Diagnostics 114
- Updating the Clock 115
- Administration 117
- Upgrading Device Firmware 117
- Monitoring Devices 119
- Retrieving Log Files 120
- Viewing Recorded Files 122
- Event Log 123
- Filtering Events 124
- Customizing Reports 128
- Viewing the Data Log 129
- Viewing Waveforms 130
- Manual Converting 138
- Automatic Converting 139
- Environmental Conditions 140
- Construction 140
- Power Supply 140
- Input Ratings 140
- Relay Outputs 141
- Digital Inputs 141
- Optional Analog Inputs 141
- Optional Analog Outputs 141
- Communication Ports 142
- Real-time Clock 142
- Log Memory 142
- Display Module 142
- Standards Compliance 143
- Measurement Specifications 144
- Setpoint Triggers 146
- Setpoint Actions 148
- Data Logging 150
- Appendix F Data Scales 167
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