1. An apparatus comprising:
a first terminal;
a second terminal;
a first resistor that is coupled to the first terminal, wherein the first resistor includes a first set of metal resistors coupled in parallel with one another;
a second resistor that is coupled to the first terminal, wherein the second resistor includes a second set of metal resistors coupled in series with one another, wherein each metal resistor from each of the first and second sets of metal resistors has substantially the same temperature coefficient;
a current source that is coupled to the second resistor;
an amplifier having inputs and an output, wherein the inputs of the amplifier are coupled to each of the first and second resistors; and
a transistor having a first passive electrode, a second passive electrode, and a control electrode, wherein the first passive electrode is coupled to the first resistor, and wherein the second passive electrode is coupled to the second terminal, and wherein the control electrode is coupled to the output of the amplifier.
2. The apparatus of claim 1, wherein the first and second sets of metal resistor further comprise a plurality of metal strips that are substantially in parallel with one another.
3. The apparatus of claim 1, wherein the transistor further comprises an N-type LDMOS transistor with the first resistor coupled to its drain and the second terminal coupled to its source.
4. An apparatus comprising:
a deploy unit including:
a first terminal;
a second terminal;
a third terminal;
a fourth terminal that is coupled to ground;
a first resistor that is coupled to the first terminal, wherein the first resistor includes a first set of metal resistors coupled in parallel with one another;
a second resistor that is coupled to the first terminal, wherein the second resistor includes a second set of metal resistors coupled in series with one another, wherein each metal resistor from each of the first and second sets of metal resistors has substantially the same temperature coefficient;
a current source that is coupled to the second resistor;
an amplifier having an inputs and an output, wherein the inputs of the amplifier are coupled to each of the first and second resistors;
a first transistor having a first passive electrode, a second passive electrode, and a control electrode, wherein the first passive electrode of the first transistor is coupled to the first resistor, and wherein the second passive electrode of the first transistor is coupled to the second terminal, and wherein the control electrode of the first transistor is coupled to the output of the amplifier;
a low side gate driver; and
a second transistor having a first passive electrode, a second passive electrode, and a control electrode, wherein the first passive electrode of the second transistor is coupled to the third terminal, and wherein the second passive electrode of the second transistor is coupled to the fourth terminal;
a squib that is coupled to the second and third terminals;
a first capacitor that is coupled to the second terminal; and
a second capacitor that is coupled to the third terminal.
5. The apparatus of claim 4, wherein the first and second sets of metal resistor further comprise a plurality of metal strips that are substantially in parallel with one another.
6. The apparatus of claim 4, wherein the first transistor further comprises an N-type LDMOS transistor with the first resistor coupled to its drain and the second terminal coupled to its source.
7. The apparatus of claim 4, wherein the second transistor further comprises an N-type LDMOS transistor with the third terminal coupled to its drain and the fourth terminal coupled to its source.
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. An electric power variation compensating device in a compound system of a wind power generation and an electric power energy storage including a wind power generator and an electric power energy storage device and an electric power converting device provided in parallel therewith, characterized in that the electric power variation compensating device comprises means (8a) for detecting a composite current (Iw) of the wind power generator (1a, 1b); means (9a) for detecting a voltage (Vs) of an electric power system (18) to which the wind power generator (1a, 1b) and the electric power energy storage device (4a) and the electric power converting device (6a, 6b) are connected; and means (8b) for detecting a current (Ic) either inputted into or outputted from the electric power converting device (6a, 6b); wherein an output electric power (Pw, Qw) of the wind power generator (1a, 1b) is computed according to the detected voltage (Vs) of the electric power system (18) and the detected composite current value (Iw) as well as an input or output electric power (Pc, Qc) of the electric power converting device (6a, 6b) is computed according to the detected voltage (Vs) of the electric power system (18) and the detected current value (Ic) of the electric power converting device (4a), and the computed output electric power (Pw, Qw) of the wind power generator (1a, 1b) and the computed input or output electric power (Pc, Qc) of the electric power converting device (6a, 6b) are used as an electric power feed-back in a control system (11a) for the electric power converting device (6a, 6b).
2. An electric power variation compensating device in a compound system of a wind power generation and an electric power energy storage including a wind power generator and an electric power energy storage device and an electric power converting device provided in parallel therewith, characterized in that the electric power variation compensating device comprises means (8c) for detecting a composite current (Iw) of the wind power generator (1c, 1d); means (9b) for detecting a voltage (Vs) of an electric power system (18) to which the wind power generator (1c, 1d) and the electric power energy storage device (4b) and the electric power converting device (6c, 6d) are connected; and means (8d) for detecting a current in the electric power system (18); wherein an output electric power (Pw, Qw) of the wind power generator (1c, 1d) is computed according to the detected voltage (Vs) of the electric power system (18) and the detected composite current value (Iw) as well as an input or output electric power (Pc, Qc) of the electric power converting device (6c, 6d) is computed according to the detected voltage (Vs) of the electric power system (18) and the detected current value of the electric power system (18), and the computed output electric power (Pw, Qw) of the wind power generator (1c, 1d) and the computed input or output electric power (Pc, Qc) of the electric power converting device (6c, 6d) are used as an electric power feed-back in a control system (11b) for the electric power converting device (6c, 6d).
3. An electric power variation compensating device according to claim 1 or claim 2, characterized in that an amount of the electric power used for the electric power feed-back in the control system (11a, 11b) is a value (Pf, Qf) in which either the active electric power (Pw) or the reactive electric power (Qw) in the output electric power of the wind power generator (1a, 1b, 1c, 1d) each of which low frequency components (PwL) are excluded through a low frequency pass filter (12a, 12b) is added to either the active electric power (Pc) or the reactive electric power (Qc) in the input or output electric power of the electric power converting device (6a, 6b, 6c, 6d).
4. An electric power variation compensating device according to claim 3, characterized in that either the active electric power (Pc) or the reactive electric power (Qc) in the input or output electric power of the electric power converting device (6a, 6b, 6c, 6d) is determined by subtracting either the active electric power (Pw) or the reactive electric power (Qw) in the output electric power of the wind power generator (1a, 1b, 1c, 1d) from the electric power of the electric power system (18).
5. An electric power variation compensating device according to claim 3 or claim 4, characterized in that the electric power variation compensating device further comprises a change-over switch (A, B) which makes or interrupts the active electric power (Pw) or the reactive electric power (Qw) in the output power of the wind power generator (1a, 1b, 1c, 1d), and another change-over switch (C) which makes or interrupts low frequency components (PwL) of the active electric power (Pw) or the reactive electric power (Qw) in the output electric power of the wind power generator (1a, 1b, 1c, 1d).
6. An electric power variation compensating device according to one of claims 1 through 5, characterized in that a superconducting magnetic energy storage device (17a), a static var compensating device (17b) or an adjustable speed electric power generating system (17c) is used as the electric power energy storage device (4a, 4b).