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CIM Issues #4006

Undocumented GeneratingUnit attributes The following attrib

Added by Herbert Falk over 2 years ago.

Status:
Closed
Priority:
Normal
Author/Contact Info:
E Karasov Monitor Electric kapaceb@smolen.ru
Base Release:
61970cim15v01
Solution to be Applied To:
61970cim15v26
Solution Version:
CIM16
Solution Applied By:
KDD
Completion Date:
05/26/2011
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:
06/06/2007
Origination ID:
390
Originally Assigned To:

Description

Undocumented GeneratingUnit attributes
The following attributes lacks documentation
- GeneratingUnit.dispReserveFlag
- GeneratingUnit.energyMinActivePower
- GeneratingUnit.fastStartFlag
- GeneratingUnit.fuelPriority
- GeneratingUnit.lowerRampRate
- GeneratingUnit.raiseRampRate
- GeneratingUnit.spinReserveRamp
- GeneratingUnit.stepChange

Proposed Solution

(2010-12-14 email to WG13)
The following attributes lacks documentation
GeneratingUnit.dispReserveFlag:Boolean -
GeneratingUnit.energyMinActivePower (now called energyMinP) : HeatRate [CIM is documented= Heat generated, in energy pertime unit of elapsed time ]
GeneratingUnit.fastStartFlag:Boolean
GeneratingUnit.fuelPriority:Integer
GeneratingUnit.lowerRampRate:ActivePowerChangeRate GeneratingUnit.raiseRampRate:ActivePowerChangeRate
GeneratingUnit.spinReserveRamp:ActivePowerChangeRate
GeneratingUnit.stepChange:ActivePower

On the following I got positive feedback from our generation team:
fastStart - Indicates the generating unit has a fast start capability and implies the generating unit can potentially contribute to spinning reserve even while not spinning.
lowerRampRate - The normal maximum rate the generating unit active power output can be lowered by control actions.
raiseRampRate - The normal maximum rate the generating unit active power output can be raised by control actions.
The other attributes listed were recommended to be removed from standard.

Decision

2010-12-07/LOO
The attributes are related to AGC. The issue closed in wait for a use case.
Kendall will add the documentation.

(2011-02-16 kdd) Recommend follow suggestion to delete undocumented attributes and documente lowerRampRate, raiseRampRate and fastStart.

(2011-05-26 KDD) Added documenation as suggested and put off deletions until CIM16 because model is frozen. Issue closed and new issue 13_49 created on remaining items to be deleted in CIM16.

All attributes of GeneratingUnit had a period added at end according to IEC documentation guidelines.
Attribues to be deleted (issue 13_49) with no documentation were documented as "Recommended to be deleted from standard."

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