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CIM Issues #4111

Description limits 1: IOP suggests that the descriptions of

Added by Herbert Falk over 2 years ago.

Status:
Closed
Priority:
Normal
Author/Contact Info:
ENTSO-E N5
Base Release:
61970cim16v21
Solution to be Applied To:
61970cim16v22
Solution Version:
CIM16
Solution Applied By:
LOO
Completion Date:
06/05/2013
CIM Keywords:
Breaking Change:
No
Breaking Change Description:
CIM Impacted Groups:
WG13
Requestor:
Standard(s):
Version:
Clause:
Sub-Clause:
Paragraph:
Table:
Originally Closed in Version:
CIM16
Origination Date:
05/29/2013
Origination ID:
13_160
Originally Assigned To:

Description

Description limits
1: IOP suggests that the descriptions of the limits should be updated to specify that ActivePowerLimit.value shall not be a negative value.;
ApparentPowerLimit.value shall not be a negative value. ;
CurrentLimit.value shall not be a negative value. ;
VoltageLimit.value shall not be a negative value.
The value for type "HighVoltage" shall be greater than the value for type "LowVoltage". Equal values for "HighVoltage" and "LowVoltage" are not allowed.
There should be consistency in the notes for Voltage limits; the use of direction and also types HighVoltage and LowVoltage.
2: OperationalLimitTypes are currently specified by the name attribute. It is suggested to have enumeration or other technique to make easy to extend on profile level and not use name for this purpose.

Proposed Solution

Proposed text OperationalLimit:
The sub class value attribute shall be positive.
The sub class value attribute is inversely proportional to OperationalLimitType.acceptableDuration (acceptableDuration for short). A pair of value_x and acceptableDuration_x are related to each other as follows:
if value_1 > value_2 > value_3 >... then
acceptableDuration_1 < acceptableDuration_2 < acceptableDuration_3 < ...
A value_x with direction="high" shall be greater than a value_y with direction="low".

Decision

Revisit limits when temperature dependent limits are discussed.
The meaning of OperationalLimitDirectionKind unclear. New issue 13_176 created for this.
It was agreed to add a subtype to OperationalLimitType that describe the ENTSO-E limit types. A new issue 13_175 was created for this.

2013-06-05/LOO

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