JPS6313892A - Electrically propelled ship with propelling load estimating arithmetic unit - Google Patents
Electrically propelled ship with propelling load estimating arithmetic unitInfo
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- JPS6313892A JPS6313892A JP61157636A JP15763686A JPS6313892A JP S6313892 A JPS6313892 A JP S6313892A JP 61157636 A JP61157636 A JP 61157636A JP 15763686 A JP15763686 A JP 15763686A JP S6313892 A JPS6313892 A JP S6313892A
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- Prior art keywords
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- ship speed
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- signal
- electric
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- 230000001141 propulsive effect Effects 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 101100520159 Arabidopsis thaliana PIS2 gene Proteins 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、電気式推進装置を装備した電気推進船に関し
、特に、上記電気式推進装置における推進負荷を推定し
うる演算装置をそなえた電気推進船に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an electric propulsion ship equipped with an electric propulsion device, and particularly relates to an electric propulsion ship equipped with an arithmetic device capable of estimating the propulsion load in the electric propulsion device. Regarding propulsion ships.
一般に、電気推進船においては、電気式推進装置が装備
され、この電気式推進装置には発電機が接続されている
。Generally, an electric propulsion ship is equipped with an electric propulsion device, and a generator is connected to the electric propulsion device.
この発電機は、電気式推進装置における推進負荷に対応
して上記電気式推進装置への給電を行なうものであり、
負荷制御装置によって発電量等を制御される。This generator supplies power to the electric propulsion device in accordance with the propulsion load on the electric propulsion device,
The amount of power generated, etc. is controlled by the load control device.
なお、船内には、上記電気式推進装置以外にも電気式の
機器が多数そなえられる場合がある。そこで、各機器の
船内電気負荷に対応した給電を上記発電機により行なっ
てもよいし、上記発電機以外に複数台の発電機をそなえ
るようにしてもよい。Note that a ship may be equipped with a large number of electric devices in addition to the electric propulsion device described above. Therefore, the power supply corresponding to the onboard electrical load of each device may be performed by the above-mentioned generator, or a plurality of generators other than the above-mentioned generator may be provided.
このように複数台の発電機をそなえる場合、上記の推進
負荷および船内電気負荷に応じ発電機の運転台数を制御
する運転台数制御装置がそなえられる。When a plurality of generators are provided in this manner, an operating number control device is provided that controls the number of operating generators in accordance with the above-mentioned propulsion load and onboard electrical load.
上述の電気推進船において、その船速を変更制御する場
合には、揉縦室から電気式推進装置へ船速変更の制御信
号を送出する。そして、同制御信号に基づいて電気式推
進＄：置を作動させ、所定の船速への変更制御が行なわ
れる。In the above-mentioned electric propulsion boat, when changing and controlling the boat speed, a control signal for changing the boat speed is sent from the rolling chamber to the electric propulsion device. Then, based on the control signal, the electric propulsion system is activated to control the speed change to a predetermined speed.
ところで、このような電気推進船では、例えば電気式推
進装置の増速を行なった場合、同電気式推進装置におけ
る推進負荷が大きくなるので、発電機から電気式推進装
置へ供給する電力量を増加させるべく、発電機を負荷制
御装置により制御する必要がある。By the way, in such an electric propulsion ship, for example, when the speed of the electric propulsion device is increased, the propulsion load on the electric propulsion device increases, so the amount of power supplied from the generator to the electric propulsion device is increased. In order to do so, it is necessary to control the generator with a load control device.
しかしながら、従来の電気推進船では、上述のような発
電機の制御は、電気式推進装置における推進負荷を実際
に検知してから行なわれるため、発電機の電力量が増加
するまでの間に、円滑な給電を行なえなくなって、電力
量の不足により電気式推進装置のみならず船内の電気式
機器等の作動にも支障をきたすおそれがある。However, in conventional electric propulsion ships, the above-mentioned generator control is performed after actually detecting the propulsion load in the electric propulsion system, so the amount of power generated by the generator increases. If power cannot be supplied smoothly, there is a risk that the lack of electric power will cause problems not only in the electric propulsion system but also in the operation of electric equipment inside the ship.
また、電気式推進装置の減速を行なった場合、発電機の
電力量を減少させる必要がある。この場合、上述のよう
な電力量の不足を生じることはないが、発電機の電力量
が減少するまでの間に、余剰電力が生じることになり、
省エネルギや経済性の、慨から観て好ましくない。Further, when the electric propulsion device is decelerated, it is necessary to reduce the amount of electric power of the generator. In this case, there will not be a shortage of power as described above, but there will be surplus power until the power of the generator decreases.
This is not desirable from the standpoint of energy saving and economic efficiency.
本発明は、これらの間定点の解決をはかろうとするもの
で、船速の変更制御に伴う推進負荷を推定し、この推定
推進負荷に基づき船速の変更制御と１！ぼ同時に発電機
の負荷制御を行なえるよう１こして、推進装置を支障な
く作動させるとともに、経済的な運航を可能にした、推
進負荷推定用演算装置付き電気推進船を提供することを
目的とする。The present invention attempts to solve these problems by estimating the propulsion load associated with changing control of the ship speed, and controlling the change of ship speed based on this estimated propulsive load. The purpose of the present invention is to provide an electric propulsion ship equipped with a calculation device for estimating the propulsion load, which enables load control of the generator at almost the same time, allows the propulsion device to operate without any trouble, and enables economical operation. do.
このため、本発明の推進負荷推定用演算装置付お電気推
進船は、船舶に装備された電気式推進装置と、同電気式
推進装置における推進負荷に対応して同電気式推進装置
へ給電しうる発電機と、同発電機の負荷制御装置とをそ
なえた電気推進船において、上記負荷制御装置へ指示船
速に対応する推定推進負荷信号を供給する演算装置が設
けられ、同演算装置が、船速と推進負荷との関係式を記
憶する記憶部と、指示船速を上記関係式へ代入して推進
負荷を推定する演算部とをそなえて構成されたことを特
徴としている。Therefore, the electric propulsion ship equipped with a calculation device for propulsive load estimation of the present invention supplies power to the electric propulsion device installed on the ship and in accordance with the propulsion load in the electric propulsion device. In an electric propulsion ship equipped with a power generator and a load control device for the generator, an arithmetic device is provided for supplying an estimated propulsion load signal corresponding to a commanded ship speed to the load control device, and the arithmetic device is configured to: The present invention is characterized in that it includes a storage section that stores a relational expression between ship speed and propulsive load, and a calculation section that estimates the propulsive load by substituting the commanded ship speed into the above relational expression.
上述の本発明の推進負荷推定用演算装置付き電気推進船
では、船速の変更制御時には、指示船速か演算装置に入
力され、同演算装置の演算部において、上記指示船速か
、記憶部に記憶された関係式に代入され、推進負荷が演
算推定される。In the electric propulsion ship equipped with a calculation device for propulsive load estimation of the present invention described above, when controlling a change in ship speed, the commanded ship speed is input to the calculation device, and the calculation unit of the calculation device stores the commanded ship speed or the storage unit. is substituted into the relational expression stored in , and the propulsion load is calculated and estimated.
そして、演算された上記指示船速に対応する推定推進負
荷信号が、演算装置から発電機の負荷制御装置へ出力さ
れ、同負荷制御装置により、上記発電機から上記電気式
推進装置への給電量が制御される。Then, an estimated propulsion load signal corresponding to the calculated commanded ship speed is output from the calculation device to the load control device of the generator, and the load control device controls the amount of power supplied from the generator to the electric propulsion device. is controlled.
以下、図面により本発明の一実施例としての推進負荷推
定用演算装置付き電気推進船について説明すると、第１
図はその全体構成を示す楳弐図、第２図は指示船速とし
ての船速ノツチ位置と推進負荷電力（または電流）との
関係を示すグラフである。Hereinafter, an electric propulsion ship equipped with a calculation device for propulsive load estimation as an embodiment of the present invention will be explained with reference to the drawings.
The figure is a diagram showing the overall configuration, and FIG. 2 is a graph showing the relationship between the ship speed notch position as the command ship speed and the propulsion load power (or current).
第１図に示すように、本実施例としての電気推進船には
、電気式推進装置が装備されており、この電気式推進装
置は、プロペラ１と、同プロペラ１を駆動するための複
数の推進用電動！（Ｍ、、・・・、Ｍｍ）３と、減速ギ
ヤ（または等速ギヤ）２とから構成される。As shown in FIG. 1, the electric propulsion boat according to this embodiment is equipped with an electric propulsion device, and this electric propulsion device includes a propeller 1 and a plurality of propellers for driving the propeller 1. Electric propulsion! (M, . . . , Mm) 3 and a reduction gear (or constant velocity gear) 2.
そして、プロペラ１と減速ギヤ２とは、プロペラシャフ
ト９により接続される一方、減速ギヤ２と各電動１８１
３との間には、クラッチ１０が介装されている。また、
各電動機３は、保：ａ装置（遮断器）１２を介装された
電＃Ｘ１１により母＃Ｘ４に接続されている。The propeller 1 and the reduction gear 2 are connected by the propeller shaft 9, while the reduction gear 2 and each electric motor 181
A clutch 10 is interposed between the clutch 3 and the clutch 3. Also,
Each electric motor 3 is connected to a motherboard #X4 through a power bank #X11 having a maintenance device (breaker) 12 interposed therebetween.
一方、母線４には、複数の発電Ｗ１（Ｇｌ、Ｇ２．・・
・、Ｇｎ）５が、それぞれ、保護装置（遮断器）１４を
介装された電線１３により接続されている。これらの発
電機５は、負荷制御装置（または運転台数制御装置）６
に接続され、同負荷制御装置６により発電機５の出力制
御が行なわれるようになっている。On the other hand, a plurality of power generation W1 (Gl, G2...
, Gn) 5 are connected by electric wires 13 with protective devices (breakers) 14 interposed therein. These generators 5 are connected to a load control device (or a device for controlling the number of operating units) 6
The load control device 6 controls the output of the generator 5.
また、船内には、船内負荷としての各種の電気式機器（
Ｚ、、Ｚ２．・・・、Ｚｌ）７がそなえられていて、こ
れらの電気式機器７も、保護装置（遮断器）１６を介装
された電線１５により母＃ｉ４に接続されている。In addition, there are various electrical equipment (
Z,,Z2. .
さらに、電気式推進装置における減速ギヤ２゜クラッチ
１０および電動機３は、操縦室内の船速ハンドル１９に
接続され、同船速ハンドル１９からの指示船速信号（本
実施例の場合、船速ハンドル１９の船速／ツチ位置）Ｈ
ｖに基づいて制御されるようになっている。Further, the reduction gear 2° clutch 10 and the electric motor 3 in the electric propulsion system are connected to a boat speed handle 19 in the cockpit, and receive a command boat speed signal from the boat speed handle 19 (in the case of this embodiment, the boat speed handle 19 ship speed/point position)H
It is controlled based on v.
ところで、上記船速ハンドル１９からの指示船速信号Ｈ
ｖは、電気式推進装置へ入力されると同時に、演算装置
１８へ入力される。＊た、電線１５にはそれぞれ負荷検
出器１７が取り付けられ、この負荷検出器１７により、
電気式機器７の負荷電力（または電流）が検出されて、
その検出信号Ｐｓｋ（ｋ＝１．２．・・・、ｌ）も演算
装置１８へ入力される。By the way, the commanded ship speed signal H from the ship speed handle 19
v is input to the arithmetic unit 18 at the same time as being input to the electric propulsion system. *In addition, a load detector 17 is attached to each electric wire 15, and this load detector 17 allows
The load power (or current) of the electrical device 7 is detected,
The detection signal Psk (k=1.2..., l) is also input to the arithmetic unit 18.
この演算装置１８は演算部８と記憶部２０とからなり、
記憶部２０には、船舶の定常直進航行時における船速（
船速／ツチ位置）と、推進負荷としての推進負荷電力（
または電流）との関係式が鳥らかじめ設定記憶されてい
る。This calculation device 18 consists of a calculation section 8 and a storage section 20,
The storage unit 20 stores the ship speed (
ship speed/point position) and propulsion load power as the propulsion load (
or current) is preset and stored in memory.
また、演算部８においては、船速ハンドル１９から入力
される指示船速信号Ｈｖが、記憶部２０から呼び出され
た関係式に代入されて、推進負荷電力が推定演算される
。そして、負荷検出器１７からの検出信号Ｐｓｋ（ｋ＝
１ 、２ 、 ・・・ｄ）と、推定推進負荷電力信号
ｐｙ−との和が求められ、この和が推定総負荷電力（虫
たは電流）信号ｐｙｇとして発ＷａＳの負荷制御装置（
または運転台数制御装置）６へ出力され、上記信号ｐｙ
ｇに基づいて負荷制御装置６により発電機５が出力制御
されるようになっている。Further, in the calculating section 8, the command ship speed signal Hv inputted from the ship speed handle 19 is substituted into the relational expression called out from the storage section 20, and the propulsive load power is estimated and calculated. Then, the detection signal Psk (k=
1, 2, ... d) and the estimated propulsion load power signal py-, and this sum is used as the estimated total load power (insect or current) signal pyg to the load control device of the issuing WaS (
or operation number control device) 6, and the above signal py
The output of the generator 5 is controlled by the load control device 6 based on g.
本発明の一実施例としての推進負荷推定用演算装置付き
電気推進船は上述のごとく構成されているので、船速の
変更制御を行なうべく、船速ハンドル１９を操作すると
、その指示船速信号Ｈｖは、電気式推進装置へ出力され
ると同時に、演算装置１８へも出力される。Since the electric propulsion ship with a calculation device for propulsive load estimation as an embodiment of the present invention is configured as described above, when the ship speed handle 19 is operated to control a change in ship speed, the command ship speed signal is Hv is output to the electric propulsion system and at the same time, it is also output to the arithmetic unit 18.
そして、演算ｖｃ置１８の演算部８において、指示船速
信号Ｈｖは、記憶部２０にあらかじめ記憶された関係式
［Ｐｙｍ＝ｆ（Ｈｖ）］に代入され、船舶の定常直進航
行時に対応する推定推進負荷電力信号Ｐｙｗが演算され
る。ここで、上記関係式ｆ（Ｈｖ）は一般に次のように
なる。Then, in the calculation section 8 of the calculation vc station 18, the commanded ship speed signal Hv is substituted into the relational expression [Pym=f(Hv)] stored in advance in the storage section 20, and the estimation corresponding to the steady straight ahead navigation of the ship is performed. A propulsion load power signal Pyw is calculated. Here, the above relational expression f(Hv) is generally as follows.
Ｐｙｍ＝ｆ（Ｈｙ）＝Ａ ・１Ｈｖｌｘ＋ｃ ” ’
” （１）ただし、Ｘは１〜４程度の累乗数、Ａ、Ｃ
は任意定数であり、指示船速信号Ｈｖは、前進方向を正
、後進方向を負とする。また、その概略特性をＰＩＳ２
図に示す。Pym=f(Hy)=A ・1Hvlx+c ” '
” (1) However, X is a power number of about 1 to 4, A, C
is an arbitrary constant, and the command ship speed signal Hv has a positive value in the forward direction and a negative value in the reverse direction. In addition, its general characteristics are PIS2
As shown in the figure.
一方、船内負荷としての電気式機器７の負荷電力（また
は電流）が、それぞれ負荷検出器１７によりで検出され
、負荷電力信号Ｐｓｋ（ｋ＝ １ 、２ 、・・・。On the other hand, the load power (or current) of the electrical equipment 7 as an onboard load is detected by the load detector 17, and the load power signal Psk (k= 1, 2, . . . ) is detected by the load detector 17.
ｌ）として演ｎ装置１８へ入力される。そして、その演
算部８において、船内負荷電力（または電流）信号Ｐｓ
が次のように求められる。1) is inputted to the performance device 18. Then, in the calculation unit 8, the inboard load power (or current) signal Ps
is calculated as follows.
Ｐｓ＝ΣＰｓｋ・・・（２）
ａ１
ここで、りは船内における電気式８！器７の総台数であ
る。Ps=ΣPsk...(2) a1 Here, ri is the electric type 8 on board! This is the total number of devices 7.
さらに、演算部８において、（１）、（２）式によりそ
れぞれ求められた推定推進負荷電力信号Ｐｙｍと船内負
荷電力信号Ｐｓとの和が求められ、その和が、推定総負
荷電力（または電流）信号Ｐｙｇ（＝Ｐ）ａ＋十Ｐｓ）
として発電機５の負荷制御装置（または運転台数制御装
ｒａ）６へ出力される。Furthermore, in the calculation unit 8, the sum of the estimated propulsion load power signal Pym obtained by equations (1) and (2) and the onboard load power signal Ps is obtained, and the sum is calculated as the estimated total load power (or current ) signal Pyg(=P)a+10Ps)
It is output to the load control device (or number of operating units control device ra) 6 of the generator 5 as the output power.
そして、負荷制御装置６は、推定総負荷電力信号ｐｙｇ
に基づき、同負荷電力信号ｐｙｇに応じた電力量を発電
させるように、発電へ５の負荷を制御するのである。ま
た、発電機５が複数そなえられる場合には、運転台数制
御装置により、発電８！５の台数を制御して電力量を調
整してもよい。Then, the load control device 6 outputs an estimated total load power signal pyg
Based on this, the load 5 for power generation is controlled so that the amount of power is generated according to the same load power signal pyg. Furthermore, when a plurality of generators 5 are provided, the number of power generators 8!5 may be controlled by an operating number control device to adjust the amount of power.
なお、船内負荷としての電気式機器７をそなえない場合
や同電気式機器７が電気式推進ｖｃ置とは異なる発電機
から給電を受ける場合には、演算装置１８の演算部８に
おいては、（１）式に基づく推定推進負荷電力信号Ｐｙ
ｍのみが演算され、同信号Ｐｙｍが負荷制御装置（また
は運転台数制御装置）６に入力される。In addition, when the electric equipment 7 as an onboard load is not provided, or when the electric equipment 7 receives power from a generator different from the electric propulsion VC station, the calculation section 8 of the calculation device 18 performs ( 1) Estimated propulsion load power signal Py based on formula
Only m is calculated, and the same signal Pym is input to the load control device (or the number of operating units control device) 6.
また、本実施例では、電気式推進装置としてプロペラ１
をそなえた螺旋推進式のものを用いているが、本発明は
、遁電導磁石等を用い電磁誘導に上り外水を加速して推
進力を得るようにした電気推進船にも上述と同様にして
適用できる。In addition, in this embodiment, a propeller 1 is used as an electric propulsion device.
However, the present invention can also be applied to an electric propulsion boat that uses a conductive magnet or the like to accelerate external water using electromagnetic induction to obtain propulsive force. can be applied.
このように、本実施例によれば、船速の変更制御が行な
われると、この変更制御と同時に、演算装置１８におい
て、指示船速信号Ｈｖに対応した推定推進負荷電力信号
Ｐｙｍが推定演算される。As described above, according to the present embodiment, when the ship speed change control is performed, at the same time as this change control, the estimated propulsive load power signal Pym corresponding to the command ship speed signal Hv is estimated and calculated in the calculation device 18. Ru.
そして、この信号Ｐｙｎと他の船内負荷電力信号Ｐｓと
の和から得られる推定総負荷電力信号ｐｙｇに基づいて
、発電機５の負荷制御が行なわれるので、電気式推進装
置のみならず船内の電気式８ｗ器７への給電が、常に必
要量だけほぼリアルタイムで行なわれるようになる。Then, the load control of the generator 5 is performed based on the estimated total load power signal pyg obtained from the sum of this signal Pyn and other onboard load power signals Ps. Power is always supplied to the 8W device 7 in the required amount almost in real time.
したがって、例えば、増速制御時には、その増速量に応
じて発電機５からの給電量が増加するため、電気式推進
装置は支障なく作動するほか、減速制御時には、その減
速量に応じて発電Ｗ１５がらの給電量が減少するため、
余剰電力が生じることはなく、経済的な運航が行な元る
ようになるのである。Therefore, for example, during speed increase control, the amount of power supplied from the generator 5 increases according to the amount of speed increase, so the electric propulsion system operates without any problem, and during deceleration control, the electric propulsion system generates electricity according to the amount of deceleration. Since the amount of power supplied from W15 decreases,
There will be no surplus electricity, and the ship will be able to operate economically.
特に、発？［［５が多数ある場合には、発を機エンノン
効率が最大となる負荷率で各々負荷を分担させるように
、運転台数を最適化制御することで、より経済的な運航
を行なえるようになる。Especially from? [[If there are a large number of 5s, more economical operation can be achieved by optimizing the number of units in operation so that each unit shares the load at the load rate that maximizes the engine efficiency. Become.
以上詳述したように、本発明の推進負荷推定用演算装置
付き電気推進船によれば、船舶に装備された電気式推進
装置と、同電気式推進装置における推進負荷に対応して
同電気式推進装置へ給電しうる発電機と、同発電機の負
荷制御装置とをそなえた電気推進船において、上記負荷
側ｉ４装置へ指示船速に対応する推定推進負荷信号を供
給する演算装置が設けられ、同演算装置が、船速と推進
負荷との関係式を記憶する記憶部と、指示船速を上記関
係式へ代入して推進負荷を推定する演算部とをそなえて
構成されているので、船速の変更制御時に推進負荷が推
定され、同推進負荷に基づき発電機の負荷制御が行なわ
れて、電気式推進装置への給電量がきめこまかく制御さ
れ、電気式推進装置を支障なく且つ経済的に作動させる
ことができるのである。As described in detail above, according to the electric propulsion ship equipped with a calculation device for propulsive load estimation of the present invention, the electric propulsion device installed on the ship and the electric propulsion device equipped with the electric propulsion device can be In an electric propulsion ship equipped with a generator capable of supplying power to a propulsion device and a load control device for the generator, an arithmetic device is provided that supplies an estimated propulsion load signal corresponding to a commanded ship speed to the load side i4 device. , the calculation device is configured with a storage section that stores a relational expression between ship speed and propulsive load, and a calculation section that estimates the propulsive load by substituting the commanded ship speed into the above relational expression. The propulsion load is estimated when changing the ship speed, and the load on the generator is controlled based on the propulsion load.The amount of power supplied to the electric propulsion system is precisely controlled, making the electric propulsion system efficient and economical. It can be activated.
第１，２図は本発明の一実施例としての推進負荷推定用
演算装置付き電気推進船を示すもので、第１図はその全
体構成を示す狽弐図、第２図は指示船速としての船速／
ツチ位置と推進負荷電力（または電流）との関係を示す
グラフである。
１・・プロペラ、２・・減速ギヤ（または等速ギヤ）、
３・・推進用電動機（Ｍｌ、・・・、ＭＩ＋＋）、４・
・母線、５・・発電機（Ｇ１．Ｇ２．・・・ｔＧｎ）、
６・・負荷制御装置（または運転台数制御装置）、７・
・船内負荷としての電気式機器（Ｚｌ、ｚ２．・・・、
Ｚｌ）、８・・演算部、９・・プロペラシャフト、１０
・・クラッチ、１１・・電線、１２・・保護装置（ｊＳ
断器）、１３・・電線、１４・・保護装置（ｉ！断器）
、１５・・電線、１６・・保護装置（遮断器）、１７・
・負荷検出器、１８・・演算装置、１９・・船速ハンド
ル、２０・・記憶部。Figures 1 and 2 show an electric propulsion ship equipped with a calculation device for propulsive load estimation as an embodiment of the present invention. Ship speed/
It is a graph which shows the relationship between a touch position and propulsion load electric power (or electric current). 1. Propeller, 2. Reduction gear (or constant velocity gear),
3. Propulsion electric motor (Ml,..., MI++), 4.
・Bus bar, 5... Generator (G1.G2...tGn),
6. Load control device (or operation number control device), 7.
・Electrical equipment as onboard loads (Zl, z2...,
Zl), 8...Calculation unit, 9...Propeller shaft, 10
...Clutch, 11..Electric wire, 12..Protective device (jS
disconnector), 13...wire, 14...protective device (i! disconnector)
, 15... Electric wire, 16... Protective device (breaker), 17...
- Load detector, 18... Arithmetic device, 19... Boat speed handle, 20... Memory section.
Claims (1)
における推進負荷に対応して同電気式推進装置へ給電し
うる発電機と、同発電機の負荷制御装置とをそなえた電
気推進船において、上記負荷制御装置へ指示船速に対応
する推定推進負荷信号を供給する演算装置が設けられ、
同演算装置が、船速と推進負荷との関係式を記憶する記
憶部と、指示船速を上記関係式へ代入して推進負荷を推
定する演算部とをそなえて構成されたことを特徴とする
、推進負荷推定用演算装置付き電気推進船。An electric propulsion ship equipped with an electric propulsion device installed on the ship, a generator capable of supplying power to the electric propulsion device in accordance with the propulsion load on the electric propulsion device, and a load control device for the generator. A calculation device is provided for supplying an estimated propulsion load signal corresponding to the commanded ship speed to the load control device,
The arithmetic unit is characterized by comprising a storage unit that stores a relational expression between ship speed and propulsive load, and a calculation unit that estimates the propulsive load by substituting the commanded ship speed into the relational expression. An electric propulsion ship equipped with a calculation device for estimating the propulsion load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61157636A JPH078678B2 (en) | 1986-07-04 | 1986-07-04 | Electric propulsion ship with computing device for propulsion load estimation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61157636A JPH078678B2 (en) | 1986-07-04 | 1986-07-04 | Electric propulsion ship with computing device for propulsion load estimation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6313892A true JPS6313892A (en) | 1988-01-21 |
| JPH078678B2 JPH078678B2 (en) | 1995-02-01 |
Family
ID=15654050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61157636A Expired - Lifetime JPH078678B2 (en) | 1986-07-04 | 1986-07-04 | Electric propulsion ship with computing device for propulsion load estimation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH078678B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014207861A (en) * | 2014-06-03 | 2014-10-30 | 富士電機株式会社 | Control system for power generator |
| JP2016094105A (en) * | 2014-11-14 | 2016-05-26 | 三菱重工業株式会社 | Main engine load distribution calculator and main engine load distribution calculation method |
| CN105836089A (en) * | 2016-03-18 | 2016-08-10 | 张辉 | Energy storage ship |
-
1986
- 1986-07-04 JP JP61157636A patent/JPH078678B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014207861A (en) * | 2014-06-03 | 2014-10-30 | 富士電機株式会社 | Control system for power generator |
| JP2016094105A (en) * | 2014-11-14 | 2016-05-26 | 三菱重工業株式会社 | Main engine load distribution calculator and main engine load distribution calculation method |
| CN105836089A (en) * | 2016-03-18 | 2016-08-10 | 张辉 | Energy storage ship |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH078678B2 (en) | 1995-02-01 |
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