Info Page - MOV Page 1 of 6

Info Page - Motor Operated Valve Editor

Info
ID
Enter a unique ID with up to 25 alphanumeric characters.

ETAP automatically assigns a unique ID to each MOV. The assigned IDs consist of the default MOV ID plus an integer, starting with the number one
and increasing as the number of MOVs increase. The default MOV ID (MOV) can be changed from the Defaults Menu in the menu bar or from the
System Manager.

Bus
This is the ID of the connecting bus for the MOV. Connection for MOV is identical to that of induction motors. If the terminal is not connected to any
bus, a blank entry will be shown for the bus ID. To connect or reconnect an MOV to a bus, select a bus from the list box. The one-line diagram will be
updated to show the new connection after you click on OK.

Note: You can only connect to buses that reside in the same view where the MOV resides, i.e., you cannot connect to a bus that resides in the Dumpster
or in another composite network.

ETAP displays the nominal kV of the bus next to the bus ID for your convenience.

Condition
Service
The operating condition can be set by clicking on the radio buttons for either In Service or Out of Service. The engineering properties within the editor of
an Out of Service element can be edited like an In Service element; however, an Out of Service element will not be included in any system studies. When
the continuity check is activated, an Out of Service element is automatically color coded with the deenergized color (theme manager). The default color
for a deenergized element is grey.

Note: The In/Out of Service option is independent of the configuration status. Therefore, you can set a branch to be In Service for the Base Data and Out
of Service in Revision Data.

State
State is used to describe the service status of an element. Certain states have flexible service status like As-Built, New, Future, Moved and Modified can
be both In or Out of Service. Certain states have fixed service status like Removed, Warehouse, Abandoned, Repair Shop and Other are out of service
states.

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Configuration
Initial Status
Select the initial status of the MOV for the selected configuration from the list box.

l Open MOV is initially in an open position

l Close MOV is initially in a closed position
l Throttle Throttle or jog control (provides flow control to achieve a desired valve position)
l Spare Spare load

Depending on the demand factor specified for each operating status, the actual loading of the MOV is determined for load flow and motor starting
studies.

Note: Status is not a part of the MOV engineering properties. For this reason, the name of the configuration status is shown, indicating the MOV status
under a specific configuration, i.e., you can have a different operating status under each configuration. In the following example, the status of an MOV is
shown to be continuous under Normal configuration and Spare under Emergency configuration.

Equipment
FDR Tag
Enter the feeder tag in this field, using up to 25 alphanumeric characters.

Name
Enter equipment name, using up to 50 alphanumeric characters.

Description
Enter equipment description, using up to 100 alphanumeric characters.

Priority
Select the load priority of this MOV from the list box. This field can be used for load priority, operating priority, load-shedding priority, etc. Ten
different priorities are provided to select from. Priorities may be chosen from the Project Menu under Settings and Load Priority.

Data Type
This field provides a convenient way to track data entry. Select one of the data types (such as estimate, typical, vendor, final, etc.) from the list box. As
the data is updated, this field can be changed to reflect the source of the latest data. There are a total of ten load types where you can change their name
from the Project Menu under Settings and Data Type.

Priority
Select the load priority of this machine from the drop-down list. This field can be used for load priority, operating priority, load-shedding priority, etc.
Ten different priorities are allowed. To change priority names, from the Project Menu, point to Settings and select Load Priority.

Lock / Unlock
Click to lock / unlock the editor properties of the current element. When the editor properties are locked, all engineering data is displayed as read-only
expect condition information. The user can change condition information (service & state) even though the element properties are locked.

Connection
Phase
This is the phase connection of this MOV. Select the phase connection type from the list box. Options for phase connection include:

l 3 Phase Three-phase machine

l 1 Phase Single-phase machine connected between phase A, B or C.
Single-phase machine connected line-to-line between phases AB, BC or CA

Quantity
Enter the quantity (number) of induction machines for this machine ID. This allows you to group identical machines together without a need for
graphical presentation in the one-line diagram. View the explanations below to see how ETAP handles Quantity in Load Flow, Short-Circuit, Arc Flash,
and Sequence-of-Operation.

Load Flow:
Notice in the following example of a load flow calculation the current at Bus 2 is equivalent to the sum of each current going to each load at bus 4. This
occurs because the quantity of Motor 1 is changed to three. ETAP simulates the effect of what you see in the system powered by U2 without having to
display each load.

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In the diagram above, the fuse is red which is showing a critical alert. In the alert view below, Fuse1 is shown to be operating at 156.569. The critical
alert for the protective device used on a load with a quantity greater than one is based on the operating current calculated by the characteristics of a single
load.

Short-Circuit:
In the following Short-Circuit Analysis Motor 1 is contributing 1.13kA to the system. Because Motor 1 has a quantity of three, that current is three times
the current that would be seen with a single motor. The load terminal fault current is shown as the current for each load.

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In the diagram above, the fuse is red which is showing a critical alert. In the alert view below, Fuse1 is shown to be operating at 30.645. The critical
alert for the protective device used on a load with a quantity greater than one is based on the operating short-circuit current calculated by the
characteristics of a single load.

Sequence-of-Operation
You cannot run Sequence-of-Operation if you have a Quantity greater than one. Sequence-of-Operation is not used to run simultaneous faults on loads.

Arc Flash
In the following Arc Flash example, the bus Arc Flash characteristics of Bus 2 is equal to Bus 4. The reason is that Motor 1 has a quantity of three which
is a quick way of showing what you see in the system under Utility 2.

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The Arc Flash Analysis Report shows the incident energy at the terminal of Motor 1 is equal to the incident energy of the terminal at each motor in the
equivalent One-Line View. The incident energy of a motor with a quantity greater than one is shown as the incident energy calculated by the
characteristics of a single load.

Demand Factor
Modify the demand factors for the Closing, Opening, Throttling, and Spare status in the provided entry fields. Demand factor is the amount of time the
load is actually operating. Demand factor affects the following calculations:

l Operating kW = kVA * PF * % Loading * Demand Factor

l Operating kvar = kVA * RF * % Loading * Demand Factor

kVA, PF, and RF are the normal operating values.

Motor Operated Value (MOV)

Info Page
Nameplate Page
Loading Page
Start Cat Page
Cable/Vd Page
Cable Amp Page
Reliability Page
Remarks Page
Comment Page

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AC Elements Editor Overview

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