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Chapter 9—Measurements and calculations PowerLogic™ PM5300 series user guide
Power factor min/max convention
The meter uses the following convention for power factor minimums and maximums:
• For negative PF readings, the minimum PF value is the measurement closest to -0
for PF readings between -0 to -1. For positive PF readings, the minimum PF value is
the measurement closest to +1 for PF readings between +1 to +0.
• For negative PF readings, the maximum PF value is the measurement closest to -1
for PF readings between -0 to -1. For positive PF readings, the maximum PF value
is the measurement closest to +0 for PF readings between +1 to +0.
Power factor sign convention
You can set the power factor sign (PF sign) convention by changing the HMI mode to
either IEC or IEEE.
IEC mode
In IEC mode, the PF sign follows the direction of power flow. PF sign is positive (+) for
positive (normal) power flow. PF sign is negative (-) for negative (reverse) power flow.
Power factor minimum and maximum
1.0
-0.4
.4
.6
.8
-0.6
-0.8
+0
.2
-0
-0.2
-1.0
Maximum PF [ + ]
Negative PF values
[ - ]
Minimum PF [ - ]
Positive PF values
[ + ]
Power factor sign convention
Real
Power
In
watts negative (–)
vars positive (+)
power factor (–)
watts positive (+)
vars positive (+)
power factor (+)
watts negative (–)
vars negative (–)
power factor (–)
watts positive (+)
vars negative (–)
power factor (+)
Reverse
Power Flow
Normal
Power Flow
Reactive
Power In
Quadrant
2
Quadrant
1
Quadrant
3
Quadrant
4
IEC mode
Real
Power
In
watts negative (–)
vars positive (+)
power factor (+)
watts positive (+)
vars positive (+)
power factor (–)
watts negative (–)
vars negative (–)
power factor (–)
watts positive (+)
vars negative (–)
power factor (+)
Reverse
Power Flow
Normal
Power Flow
Reactive
Power In
Quadrant
2
Quadrant
1
Quadrant
3
Quadrant
4
IEEE mode
- Energy Meter 1
- Safety Information 3
- Chapter 1—Introduction 9
- Chapter 2—Safety Precautions 11
- Chapter 3—Hardware Reference 13
- Technical Specifications 15
- Before you begin 17
- Dimension 17
- Meter mounting 18
- Meter wiring 19
- (CAT II) 20
- $$120$ 20
- Recommended cables 21
- Wiring Diagrams 22
- Power system 23
- Power system setup parameters 24
- Power system description 24
- Meter setting 24
- Voltage input protection 25
- Current input protection 25
- Control power wiring 26
- Communications 26
- RS-485 wiring 27
- RS-485 cable 27
- RS-485 maximum cable length 27
- RS-485 network configuration 27
- ETHERNET 28
- SWITCH / HUB 28
- Status inputs 29
- Relay outputs 29
- (70)(71)(73)(74) 30
- LED indicators 31
- Notification icons 32
- Meter screen menus 32
- Menu tree 33
- Front panel meter setup 34
- Meter Basic 35
- Setup Meter 36
- HMI settings 38
- Setting up regional settings 39
- Lost password 40
- Setting the clock 41
- Advanced setup 41
- Related topics 42
- Input / output setup 43
- Demand setup 43
- Multi-tariff setup 44
- Alarms setup 44
- Remote Meter Setup 44
- Chapter 5—Viewing Meter Data 45
- S1 S2D1 D2 -/C + 49
- (60) (62) 49
- (40) (42) (57) (56) 49
- Status input setup 50
- Digital output applications 52
- Parameter Values Description 53
- Relay output applications 57
- ION Setup 61
- Chapter 7—Alarms 63
- Dropout Setpoint (magnitude) 64
- Digital Alarms 65
- Alarm Setup 66
- Setting Up 1-Second Alarms 67
- ▼ to select Priority, then 68
- ▼ to select Select 68
- ▼ and ▲ to scroll 69
- ▼ to select Priority 69
- ▼ to select Pickup Time 70
- to enter the selected 70
- ▼ to select Dropout 70
- ▼ to select Enable 71
- Chapter 8—Data Logs 75
- Alarm Log 76
- Real-time readings 77
- Min/max values 77
- Power factor 77
- Power factor sign convention 78
- IEEE mode 79
- Block interval demand 79
- Synchronized demand 80
- Current demand 81
- Predicted demand 81
- 1:00 1:06 1:15 82
- Multi-tariff feature example 83
- Multi-tariff feature overview 83
- Command mode overview 84
- Time of day mode overview 84
- Input mode overview 86
- Chapter 11—Power quality 89
- Displaying harmonics data 90
- Viewing TDD 91
- Chapter 12—Verifying accuracy 93
- Energy pulsing 94
- Calculating total power 96
- Percent error calculation 96
- Energy pulsing considerations 97
- Test points 98
- Chapter 13—Meter resets 99
- Single resets 100
- ▼ and ▲ to view 103
- ▲ to return to the 104
- Troubleshooting 105
- Getting Technical Support 106
- Register List 106
- Chapter 15—MID Compliance 107
- Installation and wiring 108
- °C to +70°C 108
- Safety precautions 108
- PM5331/PM5341 default screen 109
- Meter firmware version 110
- Lock-protected functions 110
- Setting up the PM5331/PM5341 111
- Initializing the meter 111
- Setting up lock password 112
- Glossary 113
- Abbreviations 115
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