IEEE P650 Statussite.ieee.org/npec-sc2/files/2017/06/SC2-Mtg-15-1_Att3_Std650.pdf · Purpose of...
Transcript of IEEE P650 Statussite.ieee.org/npec-sc2/files/2017/06/SC2-Mtg-15-1_Att3_Std650.pdf · Purpose of...
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IEEE P650 Status
ChairDennis Dellinger Ametek Solidstate Controls
Vice ChairKenneth Caldwell Duke Energy
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Purpose of Standard IEEE 650
To qualify inverters, battery chargers and ancillary equipment to meet the requirements for 1-E equipment.
It is specific to mild environments outside of the containment.
Addresses potential electrical, mechanical and environmental extremes.
To prove that the battery chargers and inverters perform their safety function under specified service conditions.
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Major changes to existing std.
The updates are not considered a change in direction, they are to be considered adjustments, to align to industry needs and parent standard updates.
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Change to Document Title
Standard for Qualification of Class 1E StaticBattery Chargers, Inverters and
Uninterruptible PowerSupply (UPS) Systems for Nuclear Power
Generating Stations
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Change to Scope Statement
This standard describes methods for qualifying, static battery chargers, inverters and uninterruptible power supply (UPS) systems for Class 1E installations outside containment in nuclear power generating stations.
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References
All references to be updated to latest revisions.
Several new references will be added.
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Add Section 3.10 3.10 Uninterruptible Power Supply (UPS): a
system designed to provide power automatically, without delay or transients during any period when the normal power supply is incapable of performing acceptably [IEEE Standards Dictionary]. The UPS may consist of and not limited to the following modules/sections:
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Add Section 3.10 (continued)
InverterBattery chargerRectifierStatic transfer switchMaintenance bypass switchBattery power sourceLine regulating transformer
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Environment (4.3)
Need to consider additional EMI/RFI relaxation limits for voltages above
(400 v) those addressed in MIL 461 and high power equipment.
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Figure 1
Will be updated to cover new items and changes within the
body of the standard
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ADD Section 5.1.?
Add section requiring Digital Computers (micro’s, FPGA’s and programmable devices) Qualificatrion and Software Analysis
Hardware Qualification to IEEE 7-4.3.2
“Software Verification and Validation shall be performed as defined in IEEE 1012
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ADD Section 5.3.1.?
Transient Test The equipment shall be subject to a transient test on
the AC input lines. The test shall incorporate a transient to verify that the critical loads are not affected by a disturbance on the input AC lines
If the equipment design is such that a suspend operations is encountered, the equipment must restart and resume normal operation without intervention
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Transient test Cont.
The transient shall be in accordance with figure X and the levels presented are to be considered minimum levels for the test
For high kva rated equipment where a variable input source is not attainable, the test may be performed on a identical design system of lower kva rating to verify functional compatibility
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Addition of Annex G
Considering adding an informative annex on power quality and reliability
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Plans for completion
Present to SC-2 at 15-2 Incorporate SC-2 Comments Final Presentation and Review at SC-2 16-1
Meeting Present to NPEC at 16-2 Submit for Ballot upon Approval from NPEC(Extension is being prepared)