SATEC PM180 Operation Manual - Manual (Page 64)

‎Chapter 7 Programming the PM180 Device Options
62 PM180 Substation Automation Unit
Option Range Default Description
Power demand sync
source Meter clock,
DI1-DI48 (digital
inputs 1-48)
Meter clock The source input for synchronization of the
demand intervals. If a digital input is
specified as the source, a pulse front
denotes the start of the demand interval
Volt demand period, s 0 - 9000 sec 900 The length of the demand period for ampere
demand calculations
Amp. demand period, s 0 - 9000 sec 900 The length of the demand period for volt
demand calculations
Harm. demand period 0 - 9000 sec 900 The length of the demand period for
harmonic demand calculations
1 PT Ratio is defined as a relation of the potential transformer’s primary voltage rating to its
secondary rating. For example, if your potential transformer’s primary rating is 14400V and
the secondary rating is 120V, then the PT Ratio = 14400/120 = 120.
Wiring Connections
Available wiring modes are listed in the following table:
Wiring Mode Description
3OP2 3-wire Open Delta using 2 CTs (2 element)
4LN3 4-wire Wye using 3 PTs (3 element), line-to-neutral voltage readings
3DIR2 3-wire Direct Connection using 2 CTs (2 element)
4LL3 4-wire Wye using 3 PTs (3 element), line-to-line voltage readings
3OP3 3-wire Open Delta using 3 CTs (2½ element)
3LN3 4-wire Wye using 2 PTs (2½ element), line-to-neutral voltage readings
3LL3 4-wire Wye using 2 PTs (2½ element), line-to-line voltage readings
3BLN3 3-wire Broken Delta using 2 PTs, 3 CTs (2½-element), line-to-neutral
voltage readings
3BLL3 3-wire Broken Delta using 2 PTs, 3 CTs (2½-element), line-to-line voltage
readings
In 4LN3, 3LN3 and 3BLN3 wiring modes, the voltage readings for min/max volts and
volt demands represent line-to-neutral voltages; otherwise, they will be line-to-line
voltages. The voltage waveforms and harmonics in 4LN3, 3LN3 and 3BLN3 wiring
modes represent line-to-neutral voltages; otherwise, they will show line-to-line
voltages.
Device Options
This setup allows you to enable or disable optional calculations and change user-
selectable device options.
To enter the setup dialog, select the device site from the list box on the PAS toolbar,
select General Setup from the Meter Setup menu, and then click on the Advanced
Setup tab.
The following table lists available device options.
Option Range Default Description
Power/Energy Options
Power calculation mode S=f(P, Q) (using
reactive power),
Q=f(S, P) (using
non-active power)
S=f(P, Q) The method used for calculating reactive
and apparent powers (see “Power
Calculation Modes” below)
Energy roll value 10,000 kWh
100,000 kWh
1,000,000 kWh
10,000,000 kWh
100,000,000 kWh
1,000,000,000 kWh
1,000,000,000 The value at which energy counters roll
over to zero
Energy Decimal Places 0, 1, 2, 3, 4 0
TDD Setup
I Max. Load Current, A 0 - 10000 A CT The maximum demand load current for
common current inputs (0 = CT primary)