WTI NPS-115 Guide de l'utilisateur télécharger pdf (Page 97)

7-5

Alarm Configuration

• LineInputA: Defines the Load Shedding actions that will be executed when an

Over Current Branch Alarm is triggered at Line Input "A".

• LineInputB: Defines the Load Shedding actions that will be executed when an

Over Current Branch Alarm is triggered at Line Input "B".

• FuseA1-A4: Defines the Load Shedding actions that will be executed when an

Over Current Branch Alarm is triggered at Fuses A1 through A4.

• FuseB1-B4: Defines the Load Shedding actions that will be executed when an

Over Current Branch Alarm is triggered at Fuses B1 through B4.

After selecting the branch or line, use the following parameters to configure Load

Shedding functions for the desired branch or line.

• Enable: Enables/Disables Load Shedding for the corresponding alarm. When

enabled, the VMR will switch the user specified plugs whenever current load

exceeds the Alarm Set Threshold value. (Default = Disable.)

• PlugState: Determines whether the selected plugs/plug groups will be switched

On or Off when Load Shedding is enabled and current load exceeds the user-

defined Alarm Set Threshold. For example, if the Plug State is "Off", then plugs

or plug groups will be switched Off when the Alarm Set Threshold is exceeded.

(Default = Off.)

• AutoRecovery: Enables/Disables the Auto Recovery feature for the selected

branch or line. When both Load Shedding and Auto Recovery are enabled, the

VMR will return plugs to their former On/Off state after current load falls below the

Alarm Clear Threshold value. This allows the VMR to "undo" the effects of Load

Shedding after current load has returned to an acceptable level. (Default = Off.)

• PlugAccess: Determines which Plug(s) will be switched when current load

exceeds the Alarm Set Threshold and Load Shedding is triggered. For example,

if plugs A1, A2 and A3 are selected, then these plugs will be switched On or Off

whenever current load exceeds the Alarm Set Threshold. (Default = undefined.)

• PlugGroupAccess: Determines which Plug Group(s) will be switched when the

Load Shedding feature is triggered. For example, if you have defined a Plug Group

named "test", which includes Plugs B3, B4 and B5, and then selected the "test" Plug

Group via the Plug Group Access parameter, then all of the plugs in the "test" Plug

Group will be switched On or Off whenever the current load exceeds the Alarm Set

Threshold. (Default = undefined.)

Note: Plug Groups must first be defined (as described in Section 5.6) before

they will be displayed in the Load Shedding menu's Plug Group Access

submenu.

After setting parameters for a given branch or line, you may also define additional

parameters for other branches or lines (if present.) To set Load Shedding parameters

for other branches or lines, return to the Alarm Configuration menu and then repeat the

procedure described in Section 7.1.1.

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WTI NPS-115 Guide de l'utilisateur Page 97