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Load Shedding: procedure
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Power Controller: useful information
Description of the function
The Power Controller function is an optional function integrated in the release that allows the loads of an installation to be managed according to power consumption, for the purpose of reducing consumption and optimizing energy efficiency. Power Controller controls the loads and generators in real time (up to fifteen loads) and correlates the average power consumption during a time frame preset by the user, to the power established in the supply contract.
The Power Controller function is an optional function integrated in the release that allows the loads of an installation to be managed according to power consumption, for the purpose of reducing consumption and optimizing energy efficiency. Power Controller controls the loads and generators in real time (up to fifteen loads) and correlates the average power consumption during a time frame preset by the user, to the power established in the supply contract.
This function prevents the contractual power consumption limit from being exceeded by the following evaluation factors:
- the cumulative measurement of the energy consumed by the installation
- estimation of the energy consumed at the end of the monitoring periods into which the electric power billing period is divided
- automatic load control, i.e. temporary disconnection of lower priority loads if the power exceeds the monitoring thresholds derived from the set parameters (power limit and monitoring period)
- automatic recognition of the monitoring periods on the basis of the internal clock of the unit or of an external synchronization signal, with reset and restart of the power meters at the end of each period.
Operating principle
The operating principle is that of Master (device) – Slave (auxiliary generators or loads). The Master is either wired or connected via dedicated bus (Link bus) to the apparatuses on the supply side of the connection circuits of the Slaves. The Master quantifies the energy consumed at regular intervals (measurement time) and performs the following actions at the end of each period:
The operating principle is that of Master (device) – Slave (auxiliary generators or loads). The Master is either wired or connected via dedicated bus (Link bus) to the apparatuses on the supply side of the connection circuits of the Slaves. The Master quantifies the energy consumed at regular intervals (measurement time) and performs the following actions at the end of each period:
| If... | Then... |
|---|---|
| the average value is above the set high consumption threshold | it commands the disconnection of a load or the connection of a generator |
| the average value is below the set low consumption threshold | it commands the connection of a load or the disconnection of a generator |
| if the estimation is within the acceptable consumption limits | no action is performed |
>> For details on the Power Controller function, consult the white paper “Load management Ekip Power Controller for SACE Emax 2” available here.
Power Controller in Ekip Connect
From Ekip Connect the following operations can be performed:
From Ekip Connect the following operations can be performed:
- quickly configure both the function and the loads
- monitor the status of the loads and the values measured
Requirements
|
Access to the function
|
Unrestricted for devices on which the function has been activated
|
| Type of devices that support the function |
|
| Device status | Any to configure the function and save the configuration. Connected and communicating to transfer the configuration to the device. Note: during the transfer, it is recommended to keep the circuit breaker and contactors that control the loads downstream of the circuit breakers in the open state. |
| Type of connection with the device | Any |
>>For more details on supported devices and requirements for each, please refer to document 9AKK108467A9238 available here.