본 문서는 두산중공업의 정보자산으로, 승인을 받지 않은 문서의 열람, 수정, 배포, 복사를 금합니다 This document is the informational asset of Doosan Heavy Industries & Construction. Thus, unauthorized access, revision, distribution and

copying of this document are strictly prohibited.

FPGA기반 안전등급 제어기의 신뢰도 분석 및 성능 평가

Table of Contents

1

Concept of DOOSAN FPGA Controller Feature of DOOSAN FPGA Controller Diverse Protection System using DOOSAN FPGA Controller Plant Protection System using DOOSAN FPGA Controller Reliability Analysis Summary Module Test Configuration Result Summary of Module Test Conclusion

Concept of DOOSAN FPGA Controller

2

[ DOOSAN FPGA Controller (Front) ] [ DOOSAN FPGA Controller (Rear) ]

DOOSAN FPGA Controller Target : Develop a safety-class FPGA controller. DOOSAN FPGA Controller consists of : Processor Card, Digital Input/Output Card, Analog Input/Output Card, Data Link Communication Card, Network Communication Card

Feature of DOOSAN FPGA Controller

Performance of DOOSAN FPGA Controller is designed to meet 10CFR 50 Appendix B, Safety Class 1E and Seismic Category I.

The environmental condition of DOOSAN FPGA Controller is following:

Operation Condition Abnormal Condition

Temperature 16 ~ 40 ℃ (60 ~ 104 ℉) 4.5 ~ 60℃ (40 ~ 140 ℉)

Humidity 40 ~ 95 % 5 ~ 95 %

Radiation 103 RADS 103 RADS

Power 90 ~ 150 VAC 90 ~ 150 VAC

The seismic condition is IEEE Std. 344 Seismic Category I. The EMI/RFI condition meets EMI/RFI, ESD and surge standard in EPRI TR 102323.

3

Feature of DOOSAN FPGA Controller

DOOSAN FPGA Controller has a multi data bus. Through the multi data bus, DOOSAN FPGA Controller can have variable structures : Single Processor Type, Multi Processor Type, Complex Processor Type

[ Multi Processor Type ]

[ Complex Processor Type ]

[ Single Processor Type ]

4

Feature of DOOSAN FPGA Controller

The each module has an on-line self test feature. The feature of the each module is following:

Feature description

Sub Rack Size: 19 inch, 6 U Slot: 20 slots Cooling Type: Air Cooling type

Process Module

Module status monitoring from the front panel Key-lock for a safety and management Acceptance of the multi structure Scan time can be controlled per 5 ms.

Digital Input Module 32 channel input Input voltage: 24 VDC or 48 VDC

Digital Output Module 32 channel output Output voltage: 24 VDC or 48 VDC

Analog Input Module 8 channel input Input signal: 4 ~ 20 mA or 0 ~ 10 V (selective)

Analog Output Module 8 channel output Output signal: 4 ~ 20 mA or 0 ~ 10 V (selective)

Data Link Module 4 channel optical communication 5 ~ 10 Mbps

Communication Module 2 channel optical communication 100 Mbps

5

Diverse Protection System using DOOSAN FPGA Controller

For the performance test of DOOSAN FPGA Controller, the 2 channel DPS was designed and tested using DOOSAN FPGA Controller.

In the test, DOOSAN FPGA Controller processed a logic algorithm stably and accurately. The FPGA based controller processes a logic algorithm in parallel, so its response is faster than a

microprocessor based controller. In the test, the response time of DOOSAN FPGA Controller is improved.

[ DPS Logic Monitor Display ] [ DPS Cabinet ]

6

Plant Protection System using DOOSAN FPGA Controller

The 1 channel PPS was designed and tested using DOOSAN FPGA Controller. In the architecture, 3 BPs and 2 CPs are consisted in each one rack using a multi data bus. In the test, BP receive Five process inputs from a simulator.

① Variable Over Power ② High PZR Press ③ Low Steam Generator1 Level ④ Steam Generator1 Differential Pressure ⑤ High LPD

[ PPS Monitor Display ] [ PPS Cabinet ]

7

Reliability Analysis Summary

In the analysis, a failure rate of each component used a data from a component supplier. If not to use a component supplier data, a failure rate was calculated by MIL-HNBK-217F, Notice 2. Reliability of the controller was analyzed in severe conditions.

Module Failure Rate (/hr) Failure Rate (/yr) MTTF (yr)

Process Module 6.83E-06 5.98E-02 16.71

Digital Input Module 8.43E-06 7.38E-02 13.54

Digital Output Module 6.77E-06 5.93E-02 16.86

Analog Input Module 1.70E-05 1.49E-01 6.72

Analog Output Module 1.78E-05 1.56E-01 6.41

Data Link Module 1.21E-05 1.06E-01 9.43

Communication Module 6.48E-06 5.68E-02 17.62

8

Module Test Configuration of DOOSAN FPGA Controller

9

Test object

Measurement Equipment

Module Test Configuration Module Test Interface

Result Summary of Module Test(1/2)

10

Test Reference Result

Analog Signal Input Voltage

< 0.1 %

0.04 %

Current 0.05 %

Analog Signal Output Voltage 0.05 %

Current 0.03 %

Accuracy/Linearity Test

Results of analog signal input and output satisfied the test requirement.

Response Time

Result Summary of Module Test (2/2)

11

From To Scan Time Reference (Response Time)

Result (ms)

Max. Avg.

Digital Input Digital Output

10 ms < 25 ms 22.2 17.4

30 ms < 65 ms 60.6 45.9

50 ms < 105 ms 102.0 82.2

Analog Input Analog Output

10 ms < 25 ms 25.8 21.3

30 ms < 65 ms 62.5 50.6

50 ms < 105 ms 102.0 78.1

Analog Input Digital Output

10 ms < 25 ms 21.0 16.5

30 ms < 65 ms 61.1 45.4

50 ms < 105 ms 101.6 77.1

Digital Input Analog Output

10 ms < 25 ms 22.0 17.8

30 ms < 65 ms 61.6 46.4

50 ms < 105 ms 97.2 75.6

Results were measured in the expected response time. The performances of the controller meet a requirement of NSSS I&C.

Conclusion

12

두산중공업은 DOOSAN FPGA Controller의 신뢰성 및 비가용도 분석을 위하여 가혹한 조건하에서 분석 작업을 수행하였다.

또한 제어기의 기능 및 성능 시험을 위하여 각 모듈 단위로 시험을 수행하였으며, 제어기의 안전계통 구성 가능성을 판단하기 위하여 2 채널 DPS와 1 채널 PPS를 구성하고 그 기능을

시험하였다. 그 결과 DOOSAN FPGA Controller의 기능과 성능이 모두 원전 안전계통에 적용이 가능할 것으로

판단되었다.

13

감사합니다