JPS60204241A - Coolant supplying device of rotary electric machine - Google Patents

Coolant supplying device of rotary electric machine

Info

Publication number
JPS60204241A
JPS60204241A JP59059576A JP5957684A JPS60204241A JP S60204241 A JPS60204241 A JP S60204241A JP 59059576 A JP59059576 A JP 59059576A JP 5957684 A JP5957684 A JP 5957684A JP S60204241 A JPS60204241 A JP S60204241A
Authority
JP
Japan
Prior art keywords
cooling water
flow rate
temperature
pump
electric machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP59059576A
Other languages
Japanese (ja)
Other versions
JPH0681450B2 (en
Inventor
Akira Asakura
朝倉 章
Ryoji Tachibana
立花 良司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP59059576A priority Critical patent/JPH0681450B2/en
Publication of JPS60204241A publication Critical patent/JPS60204241A/en
Publication of JPH0681450B2 publication Critical patent/JPH0681450B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Flow Control (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

PURPOSE:To perform energy-saving and to reduce an abrupt variation in the temperature in a rotary electric machine by providing a flow rate detector for measuring coolant flow rate in the course of a coolant supply system, and controlling the rotating speed of a coolant pump on the basis of the detected value. CONSTITUTION:A coolant circulating system from a water storage tank 4 through a coolant pump 5, a cooling mechanism having a cooler 7 and a filter 11 to a rotary electric machine 1 is formed. A flow rate detector 24 is mounted in a pipe 15 of the side to which the coolant is flowed to the machine 1, an inverter 27 is so controlled that the detected amount becomes equal to the flow rate set in advance by a control output setter 26, thereby controlling the rotating speed of a drive motor 6 of the coolant pump 5. A temperature detector 22 may be mounted in the pipe 15 to eliminate an abrupt cooling by heating by a heater 20 if the temperature of the coolant is excessively low.

Description

【発明の詳細な説明】 〔発明の技術分野〕 本発明は、タービン発電機などの1!21転電機の発熱
体に冷却水を循環して冷却する回転電機の冷却水供給装
置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a cooling water supply device for a rotating electric machine that circulates cooling water to cool a heating element of a 1!21 converter such as a turbine generator.

〔発明の技術的背景とその問題点〕[Technical background of the invention and its problems]

一般6二大容量回転磁機≦二おいては、その大嵐流(=
より発生するジュール熱のため、回転電機全体が温度上
昇して種々の悪影響をおよぼす。そこで、回転電機の温
度上昇を防止するための冷却装置がいろいろ考案されて
いる。例えばタービン発電機の固定子巻線を直接に水冷
却又は油冷却するための冷却系統は、貯水槽、冷却水ポ
ンプ、水@調整装置としてのクーラーおよびそのクーラ
ーに使用する水量を自動制御する弁頭な主要な溝数部分
としている。
For general 62 large-capacity rotating magnetic machines ≦ 2, the great storm flow (=
Due to the generated Joule heat, the temperature of the entire rotating electrical machine increases, causing various adverse effects. Therefore, various cooling devices have been devised to prevent the temperature of rotating electric machines from rising. For example, a cooling system for directly water-cooling or oil-cooling the stator windings of a turbine generator includes a water tank, a cooling water pump, a cooler as a water adjustment device, and a valve that automatically controls the amount of water used in the cooler. The head is the main groove part.

一般(=このような装置鴫;おいては、タービン発電機
へ供給する冷却水量は、供給冷却水の圧力を所定の値(
通常1.6〜2.0ん:9A’d−)で常(ニ一定値ど
なるよう前記圧力調整弁で供&I管路の抵抗を調整する
こと(二よ辺設定している。すなわち、供給冷却水量は
、常c′−タービン発電機の定格負荷時における必要冷
却水量が得られるように圧力を基準として調整すること
(二なる。しかも冷却水ポンプは、三相絆導電動機など
によシ定速運転されておシ、タービン発電機の運転負荷
の増減(=かかわらず、前記固定巻線へ循環する冷却水
量は一定とな9、ポンプの一定の容量で運転される。
In general (= such equipment), the amount of cooling water supplied to the turbine generator is determined by adjusting the pressure of the supplied cooling water to a predetermined value (
Normally, the resistance of the supply and I pipes is adjusted to a constant value at 1.6 to 2.0 mm (9A'd-) (2 sides are set. The amount of cooling water should be adjusted based on the pressure so that the required amount of cooling water at the rated load of the c'-turbine generator can be obtained. The pump is operated at a constant speed, and the amount of cooling water circulating to the fixed winding remains constant regardless of increases or decreases in the operating load of the turbine generator (9), and the pump is operated at a constant capacity.

またタービン発電機がターニング中および停止時、たと
えばタービン発電機の週末(=おける一時時な停止点検
や他の発心機関連機器の点検(二よる場合、あるいは負
荷i、ll整用発喧プラントなどのタービン発電機の負
荷調整運転(二おける定期的な停止期間(二おいても、
冷却水系絖の純度維持とタービン発電機がだだち(二再
稼功できる状態を維持するため(二、ポンプを運転して
固定子巻線の導体内へ冷却水を供給して循環させている
In addition, when the turbine generator is turning or stopped, for example, temporary stoppage inspection of the turbine generator on weekends, inspection of other generator-related equipment (2), or load I, ll maintenance maintenance plant, etc. Turbine generator load adjustment operation (periodic outage period (in both cases))
To maintain the purity of the cooling water system and to maintain the state in which the turbine generator can resume operation (2. To maintain the purity of the cooling water system and to maintain a state where it can be restarted (2. There is.

このよう1二タービン発電機が負荷all整運転中、無
負荷運転中おるいは停止中(−おいても、前記冷却水循
環系統は、100%の稼動状態であり、常時100%の
補機動力を必要とするため、無駄なエネルギーを消費し
ていること口なる。また前述の冷却装置は、保守上の不
利もあった。これはタービン発電機が無負荷、停止中で
あるときあるいは冬期又は寒冷地や高地などの外気温度
がきわめて低いところ(=おいては冷却水の温度が低下
するため、タービン発電機の内は急激(二冷やされる。
In this way, even when the 12 turbine generators are in all-load adjustment operation, no-load operation, or stopped (-), the cooling water circulation system is in 100% operating state, and the auxiliary power is always 100%. The above-mentioned cooling system also has disadvantages in terms of maintenance. In places where the outside air temperature is extremely low, such as in cold regions or highlands, the temperature of the cooling water drops, causing the inside of the turbine generator to cool down rapidly.

さらに機内の封入ガス(水素や空気など)の結M(二よ
るコイル絶縁や機内部品に悪い影響を与えるという不具
合があった。
Furthermore, there was a problem in that condensation of the gas (hydrogen, air, etc.) inside the aircraft had a negative effect on the coil insulation and internal parts.

〔発明の目的〕[Purpose of the invention]

本発明の目的は、エネルギーの浪費や温度変化の低減が
なされた回転電機の冷却水供給装置を提供するシーある
SUMMARY OF THE INVENTION An object of the present invention is to provide a cooling water supply system for a rotating electrical machine that reduces energy waste and temperature changes.

〔発明の概要〕[Summary of the invention]

本発明ζ;よる回転電機の冷却水供給装置は、冷却水供
給系の途中シニその冷却水流量を測定する流量検出発信
装置を設け、この検出流量に対応して冷却水ポンプの駆
動電動機の回転速度を制御するように構成したことを特
徴とする。
The cooling water supply device for a rotating electrical machine according to the present invention is provided with a flow rate detection transmitter that measures the flow rate of the cooling water midway through the cooling water supply system, and rotates the drive motor of the cooling water pump in response to the detected flow rate. It is characterized by being configured to control the speed.

〔発明の実施例〕[Embodiments of the invention]

以下本発明を図面亀;示す各実施例(=ついて説明する
。第2図(二示す実施例も二おいて、本発明4二おける
被冷却回転電機1であるタービン発電機の固定子巻線2
には、中空導体が使われて冷却水管路3を形成している
。この冷却水管路3に対する冷却水供給系統は、貯水槽
4、冷却水ポンプ5、クーラー7およびフィルター11
の土要講成部分を有し、さらにこの系統に使用する冷却
水量を調節するための温度調整弁8.締シ弁18および
しゃ新井19を設けている。さら(二冷却水を高純度の
純水にするため(=イオン交換塔17を設けである。
The present invention will be explained below with reference to each of the embodiments shown in the drawings. 2
A hollow conductor is used to form the cooling water pipe 3. A cooling water supply system for this cooling water pipe line 3 includes a water storage tank 4, a cooling water pump 5, a cooler 7, and a filter 11.
8. A temperature control valve for adjusting the amount of cooling water used in this system. A shutoff valve 18 and a shutoff valve 19 are provided. In addition, an ion exchange tower 17 is provided to convert the cooling water into highly purified water.

この冷却水供給系統(−おいて、ポンプ5を運転すると
、貯水槽4内の冷却水は、クーラー7(=導かれてこ\
で冷却され、温度?A整弁8でクー2−7を介さない高
温の冷却水と混合して所定の温度(二ナル。さらにフィ
ルター11から供給管15を通ってタービン発電a1≦
二導入される。そして固定子巻線2の熱を奮い@度上昇
した冷却水は、RF)管16を通って貯水;114へ帰
環する。
When the pump 5 is operated in this cooling water supply system (-), the cooling water in the water storage tank 4 is
Cooled at temperature? The A regulating valve 8 mixes it with the high-temperature cooling water that does not go through the cooler 2-7 to a predetermined temperature (Ninal).It then passes through the filter 11 to the supply pipe 15 to generate turbine power generation a1≦
Two are introduced. The cooling water, which has increased in temperature due to the heat of the stator winding 2, passes through the RF pipe 16 and returns to the water storage 114.

一方フイルタ11を出た冷却水の一部は、固定子巻線2
へ供給されずにイオン交換器17ヘバイノ(スされ、高
純度の純水となって貯水4114へ戻される。
On the other hand, part of the cooling water that has exited the filter 11 is transferred to the stator winding 2.
The water is not supplied to the ion exchanger 17, but is returned to the water storage 4114 as highly purified water.

このよう(二冷却水は、連続的な循環により固定子巻線
2の冷却を行っているものである。この−冷却水の循環
供給の過@石;おいて、温度調節器9およびポジショナ
−10で冷却水の温匿を検出し、この温度に対応する温
度検出信号を作シ、この信号C二よって温度調整弁8を
制御すること(二よシ、冷却水の温度は調節される。
In this way, the cooling water cools the stator winding 2 by continuous circulation. The temperature of the cooling water is detected at step 10, a temperature detection signal corresponding to this temperature is generated, and the temperature adjustment valve 8 is controlled by this signal C2 (secondly, the temperature of the cooling water is adjusted).

しかして本発明(二おいては、供給管15の途中に設け
た締シ弁18の下流(=冷却水ポンプ5の吐出量を制御
する吐出量制御機構50を設けている。すなわち、供給
管15の途中(二供給冷却水量を検出してその検出信号
を出力する流量検出装置列な設け、この検出信号を検出
信号変換器5で制御用信号に変換し、この制御用信号を
入力して予め設定していた設定値と制御演算して制御出
力信号を発する制御出力設定器26でインバータ装置τ
の周波数を変化させて冷却水ポンプ5の駆動モータ6の
回転速度を増減させるよう構成されている。なお、制御
出力設定器かは、供給管15内の検出流量(二対応した
制御信号を入力とし、予めタービン発電機1の固定子巻
線2(−供給すべき冷却水量(二相当する信号値を設定
しておき、この設定値と前記入力値との偏差を打ち消し
て設定値(二なるよう(二制御演算して制御出力信号を
発信するものである。
However, in the present invention (2), a discharge amount control mechanism 50 is provided which controls the discharge amount of the cooling water pump 5 (=downstream of the shutoff valve 18 provided in the middle of the supply pipe 15. That is, the supply pipe In the middle of step 15 (2), a flow rate detection device array is provided that detects the amount of supplied cooling water and outputs a detection signal, this detection signal is converted into a control signal by a detection signal converter 5, and this control signal is input. The inverter device
The rotational speed of the drive motor 6 of the cooling water pump 5 is increased or decreased by changing the frequency of the cooling water pump 5. The control output setting device inputs a control signal corresponding to the detected flow rate (2) in the supply pipe 15, and sets the signal value corresponding to the stator winding 2 (-2 of the cooling water amount to be supplied) of the turbine generator 1 in advance. is set, and the deviation between this set value and the input value is canceled to obtain the set value (2), and a control output signal is generated by performing two control calculations.

また本発明(二おいては、供給管15の途中(二設けた
しゃ新井19の上流と下流と(=わたって加熱装置加を
設けている。この加熱装置20(二は、冷却水が通るバ
イパス管21を有し、この管21の周わシのヒータ20
aの容量を固定子巻線2の冷却水管路3の入口の冷却水
の温度を温度検出器nで検出し、この検出信号を入力す
る切替器おで切替制御するよう構成している。
In addition, in the present invention (2), a heating device is provided in the middle of the supply pipe 15 (= the upstream and downstream of the Arai 19). It has a bypass pipe 21 and a heater 20 around this pipe 21.
The temperature of the cooling water at the inlet of the cooling water pipe 3 of the stator winding 2 is detected by a temperature detector n, and this detection signal is inputted to a switch for switching control.

次(二本発明(二よる冷却水供給装置の冷却水供給作動
(二ついて説明する。タービン発電機1の通常運転時(
=は、タービン発電機1の定格負荷時の所要冷却水量(
二相当する信号値を制御出力設定器かに設定すること(
二よシ、電動機6およびポンプ5は定格運転状態を維持
し、冷却水供給゛装置は従来と同様感=作動する。この
ときしゃ新井スは開の状態にあシ、供給管路15と加熱
バイパス管路21とに冷却水が通水している。
Next (The cooling water supply operation of the cooling water supply device according to the present invention (2) will be explained in detail. During normal operation of the turbine generator 1 (
= is the required amount of cooling water at the rated load of the turbine generator 1 (
2) Set the corresponding signal value in the control output setting device (
Second, the electric motor 6 and pump 5 are maintained at their rated operating conditions, and the cooling water supply device operates in the same manner as before. At this time, the new well is in an open state, and cooling water is flowing through the supply pipe line 15 and the heating bypass pipe line 21.

ターニング発電機2がターニング中あるいは停止時は、
しゃ新井19を閉にすること(=よシ、り、−ビン発電
i1の固定予巻//it 2の冷却水管路34二供給さ
れる冷却水量は、すべてバイパス回路21へ送られて加
熱装置加で温められて循環する。そして冷却水の温度低
下によってタービン発電機1内が急激に冷やされないよ
うに調和して冷却するようにしである。一方、冷却水の
一部は、通常運転と同様4ニフイルタ11を出てからイ
オン交換塔17を経て高純度の純水となって貯水44へ
直接戻される。
When turning generator 2 is turning or stopped,
Closing the cooling well 19 (=Yoshi, Ri, - Fixed pre-winding of the bin power generation i1 // The amount of cooling water supplied to the cooling water pipe 342 of it 2 is all sent to the bypass circuit 21 and heated by the heating device. The temperature of the cooling water decreases and the turbine generator 1 is cooled in a harmonious manner so that the inside of the turbine generator 1 is not cooled down rapidly.On the other hand, some of the cooling water is heated as in normal operation. After leaving the 4-nifilter 11, the water passes through the ion exchange tower 17, becomes highly pure water, and is directly returned to the water storage 44.

したがって、貯水[4内の冷却水の純度は、常鴫二所定
の範囲内に維持されかつタービン発電機1への冷却水の
循環(二より冷却水系統内の冷却水純度も常(二所定の
範囲(二維持される。
Therefore, the purity of the cooling water in the storage water system is maintained within a predetermined range, and the purity of the cooling water in the cooling water system is also maintained within a predetermined range. range (2 maintained).

次(二、外気温度の低下(二ともなって循環する冷却水
の温度が低下してきた場合(=は、温度検出器nからの
温度検出信号を切替装置nへ与え、加熱装置加を動かせ
て冷却水の温度をあげる。したがって、外気温度の大幅
な変化(二対しても、タービン発電機1(=供給する冷
却水の温度を機内ガスの露点温度に対して常(−所定の
値以上C二維持しながら循環供給することができる。
Next (2. Decrease in outside air temperature) When the temperature of the circulating cooling water decreases (=, the temperature detection signal from the temperature detector n is sent to the switching device n, and the heating device can be turned on and cooled. Increase the temperature of the water. Therefore, even if there is a large change in the outside air temperature (2), the temperature of the cooling water supplied to the turbine generator 1 (= constant (-) or higher than the predetermined value C2 with respect to the dew point temperature of the cabin gas It can be supplied in circulation while being maintained.

ター”ビン発電機1の無負荷運転時(二おけるボンンプ
5の必要吐出量は、冷却水の純度維持のため、イオン交
換に必要な最小流量と、加熱装置加への所要流量と(二
よって決定される。タービン発電機1の定格運転時(二
おけるポンプ5の吐出流量は、非常(二小さく、その値
は一般(二%以下で充分である。したがって、制御出力
設定器26によシ供給冷却水量が所定の値(=減少する
ように設定値を変更し、ポンプ5の駆動電動機6の回転
速度を制御してポンプ吐出量を減少させて運転する。
During no-load operation of the turbine generator 1 (2), the required discharge amount of the pump 5 is determined by the minimum flow rate required for ion exchange to maintain the purity of the cooling water, the required flow rate for heating the heating device (2), and the minimum flow rate required for ion exchange (2). During the rated operation of the turbine generator 1, the discharge flow rate of the pump 5 is extremely small (2%), and its value is generally (2% or less) sufficient. The set value is changed so that the amount of supplied cooling water is reduced to a predetermined value (==reduced), and the rotational speed of the drive motor 6 of the pump 5 is controlled to reduce the pump discharge amount and the pump is operated.

一般(=このような冷却水供給装置(−使用されるポン
プ5には、遠心ポンプが使用されておシ、ポンプの吐出
流量はポンプ回転数(二は譬比例し、吐出圧力(揚程)
は、ポンプの回に、数の2乗(二比例して増減する。こ
のようなポンプの特性曲線の一例を第2図に示している
。第3図(=おいて、実線のp−QlおよびLIOはポ
ンプ定格回転時のP−Q特性およびポンプ軸動力特性を
示し、点線のP−Q2およびL9はポンプ回転数を減少
させたときのP−Q特性およびポンプ軸動力特性を示し
ている。
General (= Such a cooling water supply device (- The pump 5 used is a centrifugal pump.
increases or decreases in proportion to the square of the number per pump cycle. An example of such a pump characteristic curve is shown in Figure 2. and LIO indicate the P-Q characteristics and pump shaft power characteristics at the pump's rated rotation, and the dotted lines P-Q2 and L9 indicate the P-Q characteristics and pump shaft power characteristics when the pump rotation speed is decreased. .

そして曲線0−Aは、タービン発電+Bxの冷却水循環
回路の冷却水量変動C二対する流水抵抗曲線を示してい
る。
The curve 0-A shows a flow resistance curve for the cooling water amount fluctuation C2 in the cooling water circulation circuit of the turbine power generation +Bx.

ここで、ポンプ5の吐出圧力は、常(二その冷却水循環
回路の流水抵抗と平衡した状態で運転される。したがっ
て、定格運転時には、実線で示すP−Q1曲線と管路の
流水抵抗曲two−Aの交点P0の吐出流iQoおよび
吐出圧力P。の値で運転されてお夛、ポンプ駆動用電動
MA6の回転数を減少させた場合(二は、点線で示すp
−Q2曲線と流水抵抗曲線0−Aの交点Plの吐出流量
Q1および吐出圧力P1の値にポンプ運転容量を減少し
て運転される。またポンプ5の軸動力は、はぼ回転数の
3乗C二比例して減少してLOからLlとなる。しかし
て運転エネルギーはLo−Ll だけ節約されること(
二なる。
Here, the discharge pressure of the pump 5 is always operated in equilibrium with the flowing water resistance of the cooling water circulation circuit. Therefore, during rated operation, the P-Q1 curve shown by the solid line and the flowing water resistance curve of the pipe line two - When operating at the values of the discharge flow iQo and the discharge pressure P at the intersection point P0 of A, the rotational speed of the electric pump MA6 for driving the pump is decreased (the second case is p indicated by the dotted line).
The pump is operated by reducing the pump operating capacity to the value of the discharge flow rate Q1 and the discharge pressure P1 at the intersection P1 of the -Q2 curve and the water flow resistance curve 0-A. Further, the shaft power of the pump 5 decreases in proportion to the cube of the rotational speed C2, from LO to Ll. Therefore, the operating energy is saved by Lo−Ll (
Two.

次亀二第3図に示す他の実施例(=おいては、タービン
発電機1の機内湿度を検出する湿度検出器部を設け、こ
の湿度検出器部の検出信号と前記の冷却水供給管15内
の温度検出器nの冷却水温度検出信号とを調節計29(
=入力し、この調節計29で湿度検出信号と温度検出信
号とを比較演算すること(=よシ、タービン発電機10
機内温度(二対して冷却水供給温度が所定の値以上の機
内湿度よシ高く維持できるよう(−加熱装置加の容量を
制御する制御信号を算出し、この制御信号を切替装置る
(二送って加熱装置加の容量制御を行なうようにし、タ
ービン発゛岨機1へ供給する冷却水温度を調節するよう
(ニジたものである。
In another embodiment shown in Figure 3, a humidity detector unit is provided to detect the internal humidity of the turbine generator 1, and the detection signal of the humidity detector unit and the cooling water supply pipe described above are The cooling water temperature detection signal of the temperature sensor n in the controller 29 (
= input, and the controller 29 compares and calculates the humidity detection signal and the temperature detection signal (=Yes, the turbine generator 10
Calculate the control signal that controls the capacity of the heating device and send this control signal to the switching device (2) so that the cooling water supply temperature can be maintained higher than the cabin humidity above a predetermined value (2). The cooling water temperature supplied to the turbine generator 1 is adjusted by controlling the capacity of the heating device.

また第4図(二示す他の実施例は、タービン発電機1(
二対する冷却水温度が低下する不具合が発生する可能性
がない場合で、加熱装置加を省略し、タービン発電機1
の負荷(二対応して冷却水量を調整して運転する省エネ
ルギ一方式としたものである。
Further, another embodiment shown in FIG. 4(2) is a turbine generator 1(
In cases where there is no possibility of a problem in which the cooling water temperature for the two turbines decreases, the heating device can be omitted, and the turbine generator
This is an energy-saving system that operates by adjusting the amount of cooling water according to the load (2).

さら(二第5図(=示す他の実施例は、第1図、第3図
および第4図の実施例(二おける流量検出器スの代シ(
=供給冷却水の圧力を測定する圧力検出信号とし、この
圧力検出信号を圧力変換器(資)、制御設定器部および
インバータ装Hnを介してポンプ駆動用電動a6の回転
速度を制御し、タービン発電機1へ供給する冷却水の圧
力を所定値書=制御するよう構成したものである。
Furthermore, other embodiments shown in FIGS.
= A pressure detection signal that measures the pressure of the supplied cooling water, and this pressure detection signal is used to control the rotational speed of the pump drive electric motor A6 via the pressure converter (equipment), control setting unit, and inverter unit Hn, and It is configured to control the pressure of cooling water supplied to the generator 1 at a predetermined value.

〔発明の効果〕〔Effect of the invention〕

以上のよう(二本発明セよれば、回転電機の冷却水供給
系の途中(−その冷却水流量を測定する流量検出発信装
置を設け、この検出流量(=対応して冷却水ポンプの駆
動電動機の回転速度を制御するよう構成したことによシ
、回転′電機の負荷(二対応したポンプの吐出量制御が
可能となり、機内の急激な温度変化による熱応力などの
発生が防止できるととも(二、ポンプを効果的≦二省エ
ネルギー的(二運転することができる。
As described above (according to the second aspect of the present invention), a flow rate detection and transmitting device for measuring the flow rate of the cooling water (-) is provided in the middle of the cooling water supply system of the rotating electrical machine, and this detected flow rate (=corresponding to the drive motor of the cooling water pump) By controlling the rotational speed of the machine, it is possible to control the discharge amount of the pump corresponding to the load of the rotating electric machine (2), which prevents the occurrence of thermal stress due to sudden temperature changes inside the machine. 2. The pump can be operated effectively ≦ 2 energy-saving (2).

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明(二よる回転電機の冷却水供給装置の一
実施例を示す系統図、第2図は本発明(=使用する冷却
水ポンプの特性を示す特性図、第3図。 第4図および第5図は本発明のそれぞれ異なる他の実施
例を示す系統図である。 l・・・回転電機 2・・・固定子巻線3・・・冷却水
管路 4・・・貯水槽 5・・・冷却水ポンプ 6・・・ポンプ駆動モータ7・
・・クーラー 8・・・温度調節弁9・・・温度調整弁
 1o・・・ポジショナ−11・・・フィルター 15
.16・・・冷却水配管17・・・イオン交換塔 19
・・・しゃ新井肋・・・加熱装置 る・・・切替装置 n・・・温度検出器 為・・・流量検出器δ・・・検出
信号変換器 ル・・澗御出カ設定器27・・・インバー
タ あ・・・湿度検出器29・・・圧力検出器 閣・・
・吐出量制御機構(8733)代理人 弁理士 猪 股
 祥 晃(はが1名ン第 1 図 第 2 図 →ネ″〉7″吐止童 第 3 図 ? 第 4 図 ?
Fig. 1 is a system diagram showing an embodiment of a cooling water supply device for a rotating electric machine according to the present invention, Fig. 2 is a characteristic diagram showing the characteristics of a cooling water pump used in the present invention (= Fig. 3). 4 and 5 are system diagrams showing other different embodiments of the present invention. l... Rotating electric machine 2... Stator winding 3... Cooling water pipe line 4... Water tank 5... Cooling water pump 6... Pump drive motor 7.
...Cooler 8...Temperature control valve 9...Temperature control valve 1o...Positioner 11...Filter 15
.. 16...Cooling water pipe 17...Ion exchange tower 19
...Sharai rib...Heating device Ru...Switching device n...Temperature detector For...Flow rate detector δ...Detection signal converter Le...Output setting device 27 ...Inverter A...Humidity detector 29...Pressure detector Cabinet...
・Discharge rate control mechanism (8733) Agent: Yoshiaki Inomata, patent attorney

Claims (2)

【特許請求の範囲】[Claims] (1)発熱部(一対して水冷却を採用した回転電機鴫=
おいて、貯水槽、冷却水ポンプ、冷却水温を調整するだ
めのクーラーおよびこのクーラー(=使用する冷却水量
を自動制御する弁頭な主構成部分とする冷却水供給系統
を具備し、その冷却水供給系統の途中にその系統内の冷
却水量を測定する流量検、出塁を設け、さら(−この流
量検出器の検出流量櫨二対応して系統内の流量が所定値
(=なるよう(二前記冷却水ポンプの吐出量を制御する
吐出量制御機構を設けたことをl特徴とする回転電機の
冷却水供給装置。
(1) Heat generating part (rotating electric machine that uses water cooling for one pair =
The system is equipped with a water storage tank, a cooling water pump, a cooler for adjusting the cooling water temperature, and a cooling water supply system whose main component is a valve head that automatically controls the amount of cooling water used. In the middle of the supply system, a flow rate detector is installed to measure the amount of cooling water in the system, and furthermore, the flow rate in the system is set to a predetermined value (=(2) corresponding to the detected flow rate of this flow rate detector). 1. A cooling water supply device for a rotating electrical machine, characterized in that it is provided with a discharge amount control mechanism that controls the discharge amount of a cooling water pump.
(2)冷却水供給系統の途中(二その系統内の冷却水圧
を測定する圧力検出器を設け、さら檻=この圧力検出器
の検出圧′力く=対応して系統内の冷却水圧力が所定値
(二なるよう冷却水ポンプの吐出量を制御する吐出量制
御機構を設けたことを特徴とする特許請求の範囲第1項
記載の回転電機の冷却水供給装置。 3 冷却水供給系統の途中のバイパス管路域=必要口応
じて冷却水を導く加熱装置を設け、さら:二冷却水温度
(=対応して加熱装置の加熱容量を冷却水の温度が所定
値(二なるよう[口制御するための加熱器制御機構を設
けたことを特徴とする特許請求の範囲第1項記載の回転
電機の冷却水供給装置。 4 回転電機の機内の封入気体の湿度を測定する湿度検
出器を設け、この機内検出湿度);対応して冷却水温度
を所定値になるよう加熱器制御機構を制御するよう構成
したことを特徴とする特許請求の範囲第3項記載の回転
電機の冷却水供給装置。
(2) A pressure detector is installed in the middle of the cooling water supply system (2) to measure the cooling water pressure in the system, and the detection pressure of this pressure detector is correspondingly increased. A cooling water supply device for a rotating electric machine according to claim 1, characterized in that a discharge amount control mechanism is provided for controlling the discharge amount of the cooling water pump to a predetermined value (2). A heating device is installed to guide the cooling water depending on the bypass pipe area in the middle (= required port), and the heating capacity of the heating device is adjusted so that the temperature of the cooling water becomes a predetermined value (= 2 cooling water temperatures). A cooling water supply device for a rotating electric machine according to claim 1, characterized in that a heater control mechanism is provided for controlling the rotating electric machine.4. cooling water supply for a rotating electrical machine according to claim 3, characterized in that the heater control mechanism is configured to control the heater control mechanism so that the temperature of the cooling water becomes a predetermined value; Device.
JP59059576A 1984-03-29 1984-03-29 Cooling water supply device for rotating electric machine Expired - Fee Related JPH0681450B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59059576A JPH0681450B2 (en) 1984-03-29 1984-03-29 Cooling water supply device for rotating electric machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59059576A JPH0681450B2 (en) 1984-03-29 1984-03-29 Cooling water supply device for rotating electric machine

Publications (2)

Publication Number Publication Date
JPS60204241A true JPS60204241A (en) 1985-10-15
JPH0681450B2 JPH0681450B2 (en) 1994-10-12

Family

ID=13117193

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59059576A Expired - Fee Related JPH0681450B2 (en) 1984-03-29 1984-03-29 Cooling water supply device for rotating electric machine

Country Status (1)

Country Link
JP (1) JPH0681450B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0992320A3 (en) * 1998-10-09 2003-04-09 HILTI Aktiengesellschaft Tool for machining a hard material
EP1864762A1 (en) * 2006-06-07 2007-12-12 HILTI Aktiengesellschaft Liquid-cooled portable electric machine tool with standby mode
CN115111513A (en) * 2022-06-24 2022-09-27 重庆长安新能源汽车科技有限公司 Oil cooling loop control method and system of oil cooling motor system and electric automobile

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55114167A (en) * 1979-02-26 1980-09-03 Toshiba Corp Controller for cooler
JPS5627876U (en) * 1979-08-09 1981-03-16
JPS58166267U (en) * 1982-04-28 1983-11-05 株式会社東芝 Electric motor cooling control device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5569182A (en) * 1978-11-21 1980-05-24 Shintarou Sugio Scratchinggoff toy

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55114167A (en) * 1979-02-26 1980-09-03 Toshiba Corp Controller for cooler
JPS5627876U (en) * 1979-08-09 1981-03-16
JPS58166267U (en) * 1982-04-28 1983-11-05 株式会社東芝 Electric motor cooling control device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0992320A3 (en) * 1998-10-09 2003-04-09 HILTI Aktiengesellschaft Tool for machining a hard material
EP1864762A1 (en) * 2006-06-07 2007-12-12 HILTI Aktiengesellschaft Liquid-cooled portable electric machine tool with standby mode
CN115111513A (en) * 2022-06-24 2022-09-27 重庆长安新能源汽车科技有限公司 Oil cooling loop control method and system of oil cooling motor system and electric automobile
CN115111513B (en) * 2022-06-24 2023-06-02 重庆长安新能源汽车科技有限公司 Oil cooling loop control method and system of oil cooling motor system and electric automobile

Also Published As

Publication number Publication date
JPH0681450B2 (en) 1994-10-12

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