1. A compound of formula
wherein
R1 and R2 are independently from each other selected from the group consisting of H, C1-30-alkyl optionally substituted with 1 to 30 substituents Ra, C2-30-alkenyl optionally substituted with 1 to 30 substituents Ra, C2-30-alkynyl optionally substituted with 1 to 30 substituents Ra, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rb, C5-10-cycloalkenyl optionally substituted with 1 to 10 substituents Rb, 3-14 membered cycloheteroalkyl optionally substituted with 1 to 8 substituents Rb, C6-14-aryl optionally substituted with 1 to 8 substituents Rc and 5-14 membered heteroaryl optionally substituted with 1 to 8 substituents Rc,
wherein
Ra at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014N3, \u2014OH, C1-30-alkoxy optionally substituted with 1 to 6 substituents Ri, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR3, \u2014S\u2014C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014SO2\u2014C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014NH2, \u2014NHR3, \u2014NR3R4, \u2014NR3R4R5+, \u2014NH\u2014COR3, \u2014COOH, \u2014COOR3, \u2014CONH2, \u2014CONHR3, \u2014CONR3R4, \u2014CO\u2014H, \u2014COR3, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rii, C5-10-cycloalkenyl optionally substituted with 1 to 10 substituents Rii, 3-14 membered cycloheteroalkyl optionally substituted with 1 to 10 substituents Rii, C6-14-aryl optionally substituted with 1 to 8 substituents Riii and 5-14 membered heteroaryl optionally substituted with 1 to 8 substituents Riii;
Rb at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014OH, C1-30-alkoxy optionally substituted with 1 to 30 substituents Ri, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR3, \u2014S\u2014C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014NH2, \u2014NHR3, \u2014NR3R4, \u2014NR3R4R5+, \u2014NH\u2014COR3, \u2014COOH, \u2014COOR3, \u2014CONH2, \u2014CONHR3, \u2014CONR3R4, \u2014CO\u2014H, \u2014COR3, C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, C2-30-alkenyl optionally substituted with 1 to 30 substituents Ri, C2-30-alkynyl optionally substituted with 1 to 30 substituents Ri, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rii, C5-10-cycloalkenyl optionally substituted with 1 to 10 substituents Rii, 3-14 membered cycloheteroalkyl optionally substituted with 1 to 10 substituents Rii, C6-14-aryl optionally substituted with 1 to 8 substituents Riii and 5-14 membered heteroaryl optionally substituted with 1 to 8 substituents Riii;
Rc at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014N3, \u2014OH, C1-30-alkoxy optionally substituted with 1 to 30 substituents Ri, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR3, \u2014S\u2014C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014SO2\u2014C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014NH2, \u2014NHR3, \u2014NR3R4, \u2014NR3R4R5+, \u2014NH\u2014COR3, \u2014COOH, \u2014COOR3, \u2014CONH2, \u2014CONHR3, \u2014CONR3R4, \u2014CO\u2014H, \u2014COR3, C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, C2-30-alkenyl optionally substituted with 1 to 30 substituents Ri, C2-30-alkynyl optionally substituted with 1 to 30 substituents Ri, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rii, C5-10-cycloalkenyl optionally substituted with 1 to 10 substituents Rii, 3-14 membered cycloheteroalkyl optionally substituted with 1 to 10 substituents Rii, C6-14-aryl optionally substituted with 1 to 8 substituents Riii and 5-14 membered heteroaryl optionally substituted with 1 to 8 substituents Riii;
wherein
R3, R4 and R5 at each occurrence are independently from each other selected from the group consisting of C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, C2-30-alkenyl optionally substituted with 1 to 30 substituents Ri, C2-30-alkynyl optionally substituted with 1 to 30 substituents Ri, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rii, C5-10-cycloalkenyl optionally substituted with 1 to 10 substituents Rii, 3-14 membered cycloheteroalkyl optionally substituted with 1 to 10 substituents Rii, C6-14-aryl optionally substituted with 1 to 8 substituents Riii and 5-14 membered heteroaryl optionally substituted with 1 to 8 substituents Riii,
Ri at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014N3, \u2014OH, C1-30-alkoxy, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR3, \u2014S\u2014C1-30-alkyl, \u2014SO2\u2014C1-30-alkyl, \u2014NH2, \u2014NHR6, \u2014NR6R7, \u2014NR6R7R8+, \u2014NH\u2014COR6, \u2014COOH, \u2014COOR6, \u2014CONH2, \u2014CONHR6, \u2014CONR6R7, \u2014CO\u2014H, \u2014COR6, C3-10-cycloalkyl, C5-10-cycloalkenyl, 3-14 membered cycloheteroalkyl, C6-14-aryl and 5-14 membered heteroaryl,
Rii at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014OH, C1-30-alkoxy, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR6, \u2014S\u2014C1-30-alkyl, \u2014NH2, \u2014NHR6, \u2014NR6R7, \u2014NR6R7R8+, \u2014NH\u2014COR6, \u2014COOH, \u2014COOR6, \u2014CONH2, \u2014CONHR6, \u2014CONR6R7, \u2014CO\u2014H, \u2014COR6, C1-30-alkyl, C2-30-alkenyl, C2-30-alkynyl, C3-10-cycloalkyl, C5-10-cycloalkenyl, 3-14 membered cycloheteroalkyl, C6-14-aryl and 5-14 membered heteroaryl,
Riii at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014N3, \u2014OH, C1-30-alkoxy, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR6, \u2014S\u2014C1-30-alkyl, \u2014SO2\u2014C1-30-alkyl, \u2014NH2, \u2014NHR6, \u2014NR6R7, \u2014NR6R7R8+, \u2014NH\u2014COR6, \u2014COOH, \u2014COOR6, \u2014CONH2, \u2014CONHR6, \u2014CONR6R7, \u2014CO\u2014H, \u2014COR6, C1-30-alkyl, C2-30-alkenyl, C2-30-alkynyl, C3-10-cycloalkyl, C5-10-cycloalkenyl, 3-14 membered cycloheteroalkyl, C6-14-aryl and 5-14 membered heteroaryl,
wherein
R6, R7 and R8 at each occurrence are independently from each other selected from the group consisting of C1-30-alkyl, C2-30-alkenyl, C2-30-alkynyl, C3-10-cycloalkyl, C5-10-cycloalkenyl, 3-14 membered cycloheteroalkyl, C6-14-aryl and 5-14 membered heteroaryl.
2. The compound of claim 1, wherein
R1 and R2 are independently from each other selected from the group consisting of H, C1-30-alkyl optionally substituted with 1 to 30 substituents Ra, C2-30-alkenyl optionally substituted with 1 to 30 substituents Ra, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rb, and C6-14-aryl optionally substituted with 1 to 8 substituents Rc,
wherein
Ra at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014N3, \u2014OH, C1-30-alkoxy optionally substituted with 1 to 6 substituents Ri, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR3, \u2014S\u2014C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014SO2\u2014C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014NH2, \u2014NHR3, \u2014NR3R4, \u2014NR3R4R8+, \u2014NH\u2014COR3, \u2014COOH, \u2014COOR3, \u2014CONH2, \u2014CONHR3, \u2014CONR3R4, \u2014CO\u2014H, \u2014COR3, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rii, and C6-14-aryl optionally substituted with 1 to 8 substituents Riii;
Rb at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014OH, C1-30-alkoxy optionally substituted with 1 to 30 substituents Ri, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR3, \u2014S\u2014Cl1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014NH2, \u2014NHR3, \u2014NR3R4, \u2014NR3R4R5+, \u2014NH\u2014COR3, \u2014COOH, \u2014COOR3, \u2014CONH2, \u2014CONHR3, \u2014CONR3R4, \u2014CO\u2014H, \u2014COR3, C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, C2-30-alkenyl optionally substituted with 1 to 30 substituents Ri, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rii, and C6-14-aryl optionally substituted with 1 to 8 substituents Riii;
Rc at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014N3, \u2014OH, C1-30-alkoxy optionally substituted with 1 to 30 substituents Ri, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR3, \u2014S\u2014C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014SO2\u2014C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014NH2, \u2014NHR3, \u2014NR3R4, \u2014NR3R4R5+, \u2014NH\u2014COR3, \u2014COOH, \u2014COOR3, \u2014CONH2, \u2014CONHR3, \u2014CONR3R4, \u2014CO\u2014H, \u2014COR3, C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, C2-30-alkenyl optionally substituted with 1 to 30 substituents Ri, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rii, and C6-14-aryl optionally substituted with 1 to 8 substituents Riii;
wherein
R3, R4 and R5 at each occurrence are independently from each other selected from the group consisting of C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, C2-30-alkenyl optionally substituted with 1 to 30 substituents Ri, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rii, and C6-14-aryl optionally substituted with 1 to 8 substituents Riii,
Ri at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014N3, \u2014OH, C1-30-alkoxy, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR3, \u2014S\u2014C1-30-alkyl, \u2014SO2\u2014C1-30-alkyl, \u2014NH2, \u2014NHR6, \u2014NR6R7, \u2014NR6R7R8+, \u2014NH\u2014COR6, \u2014COOH, \u2014COOR6, \u2014CONH2, \u2014CONHR6, \u2014CONR6R7, \u2014CO\u2014H, \u2014COR6, C3-10-cycloalkyl, and C6-14-aryl,
Rii at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014OH, C1-30-alkoxy, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR6, \u2014S\u2014C1-30-alkyl, \u2014NH2, \u2014NHR6, \u2014NR6R7, \u2014NR6R7R8+, \u2014NH\u2014COR6, \u2014COOH, \u2014COOR6, \u2014CONH2, \u2014CONHR6, \u2014CONR6R7, \u2014CO\u2014H, \u2014COR6, C1-30-alkyl, C2-30-alkenyl, C3-10-cycloalkyl, and C6-14-aryl,
Riii at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014N3, \u2014OH, C1-30-alkoxy, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR6, \u2014S\u2014C1-30-alkyl, \u2014SO2\u2014C1-30-alkyl, \u2014NH2, \u2014NHR6, \u2014NR6R7, \u2014NR6R7R8+, \u2014NH\u2014COR6, \u2014COOH, \u2014COOR6, \u2014CONH2, \u2014CONHR6, \u2014CONR6R7, \u2014CO\u2014H, \u2014COR6, C1-30-alkyl, C2-30-alkenyl, C3-10-cycloalkyl, and C6-14-aryl,
wherein
R6, R7 and R8 at each occurrence are independently from each other selected from the group consisting of C1-30-alkyl, C2-30-alkenyl, C3-10-cycloalkyl, and C6-14-aryl.
3. The compound of claim 1, wherein
R1 and R2 are independently from each other C1-30-alkyl optionally substituted with 1 to 30 substituents Ra,
wherein
Ra at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014N3, \u2014OH, C1-30-alkoxy optionally substituted with 1 to 6 substituents Ri, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR3, \u2014S\u2014C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014SO2\u2014C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, \u2014NH2, \u2014NHR3, \u2014NR3R4, \u2014NR3R4R5+, \u2014NH\u2014COR3, \u2014COOH, \u2014COOR3, \u2014CONH2, \u2014CONHR3, \u2014CONR3R4, \u2014CO\u2014H, \u2014COR3, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rii, and C6-14-aryl optionally substituted with 1 to 8 substituents Riii;
wherein
R3, R4 and R5 at each occurrence are independently from each other selected from the group consisting of C1-30-alkyl optionally substituted with 1 to 30 substituents Ri, C2-30-alkenyl optionally substituted with 1 to 30 substituents Ri, C3-10-cycloalkyl optionally substituted with 1 to 10 substituents Rii, and C6-14-aryl optionally substituted with 1 to 8 substituents Riii,
Ri at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014N3, \u2014OH, C1-30-alkoxy, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR3, \u2014S\u2014C1-30-alkyl, \u2014SO2\u2014C1-30-alkyl, \u2014NH2, \u2014NHR6, \u2014NR6R7, \u2014NR6R7R8+, \u2014NH\u2014COR6, \u2014COOH, \u2014COOR6, \u2014CONH2, \u2014CONHR6, \u2014CONR6R7, \u2014CO\u2014H, \u2014COR6, C3-10-cycloalkyl, and C6-14-aryl,
Rii at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014OH, C1-30-alkoxy, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR6, \u2014S\u2014C1-30-alkyl, \u2014NH2, \u2014NHR6, \u2014NR6R7, \u2014NR6R7R8+, \u2014NH\u2014COR6, \u2014COOH, \u2014COOR6, \u2014CONH2, \u2014CONHR6, \u2014CONR6R7, \u2014CO\u2014H, \u2014COR6, C1-30-alkyl, C2-30-alkenyl, C3-10-cycloalkyl, and C6-14-aryl, Riii at each occurrence are independently from each other selected from the group consisting of halogen, \u2014CN, \u2014NO2, \u2014N3, \u2014OH, C1-30-alkoxy, \u2014O\u2014CH2CH2On\u2014C1-10-alkyl (n=1 to 10), \u2014O\u2014CH2CH2Om\u2014OH (m=1 to 10), \u2014O\u2014COR6, \u2014S\u2014C1-30-alkyl, \u2014SO2\u2014C1-30-alkyl, \u2014NH2, \u2014NHR6, \u2014NR6R7, \u2014NR6R7R8+, \u2014NH\u2014COR6, \u2014COOH, \u2014COOR6, \u2014CONH2, \u2014CONHR6, \u2014CONR6R7, \u2014CO\u2014H, \u2014COR6, C1-30-alkyl, C2-30-alkenyl, C3-10-cycloalkyl, and C6-14-aryl,
wherein
R6, R7 and R8 at each occurrence are independently from each other selected from the group consisting of C1-30-alkyl, C2-30-alkenyl, C3-10-cycloalkyl, and C6-14-aryl.
4. The compound of claim 1, wherein
R1 and R2 are independently from each other C3-25-alkyl branched at the C attached to the N of formula 1.
5. A process for the preparation of a compound of formula
wherein R1 and R2 are as defined in claim 1, which process comprises the step of
(i) treating a compound of formula
wherein R1 and R2 are as defined in claim 1, and X is Cl, Br or I,
with a fluoride source.
6. An electronic device comprising the compound of formula (1) of any of claims 1 to 4 as semiconducting material.
7. Use of the compound of formula (1) of any of claims 1 to 4 as semiconducting material.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for controlling an axial power distribution in a nuclear reactor having a core and a control rod, comprising:
(a) calculating an axial offset of a current power distribution (AOP) using Expression (1), an axial offset of a power distribution capable of providing a current xenon concentration distribution under an equilibrium condition (AOX) using Expression (2), and an axial offset of a power distribution capable of providing a current iodine concentration distribution under an equilibrium condition (AOI) using Expression (3),
AOP=(PT\u2212PB)(PT+PB)\u2003\u2003Expression (1).
AOX=(PTX\u2212PBX)(PTX+PBX)\u2003\u2003Expression (2)
AOI=(PTI\u2212PBI)(PTI+FBI)\u2003\u2003Expression (3)
Wherein
PT is a relative power in an upper half of the core,
PB is a relative power in an lower half of the core,
PTX is a relative power in the upper half of the core capable of providing a current xenon concentration under an equilibrium condition,
PBX is a relative power in the lower half of the core capable of providing a current xenon concentration under an equilibrium condition,
PTI is a relative power in the upper half of the core capable of providing a current iodine concentration under an equilibrium condition, and
PBI is a relative power in the lower half of the core capable of providing a current iodine concentration under an equilibrium condition;
(b) calculating a parameter DAOPX (=AOP\u2212AOX) and a parameter DAOIX (=AOI\u2212AOX);
(c) displaying a trajectory having a plot point which plots the parameter DAOPX on X axis and the parameter DAOIX on Y axis, whereby the plot point forms an ellipse having a major axis;
(d) determining if the axial offset of the current power distribution (AOP) exceeds an allowable range;
(e) setting off alarm when the axial offset of the current power distribution (AOP) exceeds the allowable range and the plot point has deviated from the major axis; and
(f) moving the control rod after the alarm is set off so that the plot point is guided back to the major axis, whereby the axial power distribution is controlled, and whereby the xenon oscillation is controlled at the same time.
2. A nontransitory computer readable medium having a computer program, which when executed by a computer, causes the computer to perform the method according to claim 1.
3. The method according to claim 1, further comprising in step (f) calculating a distance on the X axis from the deviated plot point to the major axis, calculating a movement volume of the control rod based on the distance, and giving an operation signal of inserting the control rod by the movement volume to a control rod driving mechanism.
4. The method of claim 1, wherein the ellipse has an origin on the major axis, and wherein plot point is guided to the major axis excluding the origin.
5. A system for controlling an axial power distribution in a nuclear reactor having a core and a control rod, comprising:
(a) an axial offset calculation unit that calculates an axial offset of a current power distribution (AOP) using Expression (1), an axial offset of a power distribution capable of providing a current xenon distribution under an equilibrium condition (AOX) using Expression (2), and an axial offset of a power distribution capable of providing a current iodine distribution under an equilibrium condition (AOI) using Expression (3),
AOP=(PT\u2212PB)(PT+PB)\u2003\u2003Expression (1)
AOX=(PTX\u2212PBX)(PTX+PBX)\u2003\u2003Expression (2)
AOI=(PTI\u2212PBI)(PTI+PBI)\u2003\u2003Expression (3)
Wherein
PT is a relative power in an upper half of the core,
PB is a relative power in an lower half of the core,
PTX is a relative power in the upper half of the core capable of providing a current xenon concentration under an equilibrium condition,
PBX is a relative power in the lower half of the core capable of providing a current xenon concentration under an equilibrium condition,
PTI is a relative power in the upper half of the core capable of providing a current iodine concentration under an equilibrium condition, and
PBI is a relative power in the lower half of the core capable of providing a current iodine concentration under an equilibrium condition;
(b) a parameter calculation unit that calculates a parameter DAOPX (=AOP\u2212AOX) and a parameter DAOIX (=AOI\u2212AOX);
(c) a trajectory display unit that displays a trajectory having a plot point, wherein the plot point plots the parameter DAOPX on X axis and the parameter (DAOIX) on the Y axis, and forms an ellipse having a major axis;
(d) an allowable range excess determination unit that determines if the axial offset of the current power distribution (AOP) exceeds an allowable range;
(e) an alarming unit that sets off alarm when the axial offset of the current power distribution (AOP) exceeds the allowable range and the plot has deviated from the major axis; and
(f) a control rod moving unit that moves the control rod after the alarm is set off so that the plot point is guided back to the major axis, whereby the axial power distribution is controlled, and whereby the xenon oscillation is controlled at the same time.
6. The system according to claim 5, characterized in that the control rod moving unit further calculates a distance on the X axis from the deviated plot point to the major axis, calculates a movement volume of the control rod based on the distance, and gives an operation signal of inserting the control rod by the movement volume to a control rod driving mechanism.
7. The system of claim 5, wherein the ellipse has an origin on the major axis, and wherein the plot point is guided to the major axis excluding the origin.