UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                                (Amendment No. )*

                          AMERICAN SUPERCONDUCTOR CORP.
                        --------------------------------
                                (Name of Issuer)

                          Common Stock, $0.01 Par Value
                        --------------------------------
                         (Title of Class of Securities)

                                    030111108
                               ------------------
                                 (CUSIP Number)

                                  March 6, 1998
                        --------------------------------
                      (Date of Event which Requires Filing
                               of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
                                   is filed:

                  [  ]     Rule 13d-1(b)
                  [X]      Rule 13d-1(c)
                  [  ]     Rule 13d-1(d)


*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter disclosure
provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).




                         Continued on following page(s)
                               Page 1 of 14 Pages
                             Exhibit Index: Page 11





                                  SCHEDULE 13G

CUSIP No.  030111108                                          Page 2 of 14 Pages




1        Name of Reporting Person
         I.R.S. Identification No. of Above Persons (ENTITIES ONLY)

                  Soros Fund Management LLC

2        Check the Appropriate Box If a Member of a Group*
                                                     a.  [_]
                                                     b.  [x]

3        SEC Use Only

4        Citizenship or Place of Organization

                  DELAWARE

                           5        Sole Voting Power
 Number of                                413,325
   Shares
Beneficially               6       Shared Voting Power
  Owned By                                0
    Each
  Reporting                7       Sole Dispositive Power
   Person                                 413,325
    With
                           8        Shared Dispositive Power
                                          0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                            413,325

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares*
                                            [x]

11       Percent of Class Represented By Amount in Row (9)

                                    3.53%

12       Type of Reporting Person*

                  OO; IA

                     * SEE INSTRUCTIONS BEFORE FILLING OUT!





                                  SCHEDULE 13G

CUSIP No.  030111108                                          Page 3 of 14 Pages



1        Name of Reporting Person
         I.R.S. Identification No. of Above Persons (ENTITIES ONLY)

                  George Soros (in the capacity described herein)

2        Check the Appropriate Box If a Member of a Group*
                                                     a.  [_]
                                                     b.  [x]
3        SEC Use Only

4        Citizenship or Place of Organization

                  UNITED STATES

                           5        Sole Voting Power
 Number of                                0
   Shares
Beneficially               6       Shared Voting Power
  Owned By                                413,325
    Each
  Reporting                7       Sole Dispositive Power
   Person                                 0
    With
                           8        Shared Dispositive Power
                                          413,325

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                            413,325

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain Shares*
                                            [x]

11       Percent of Class Represented By Amount in Row (9)

                                    3.53%

12       Type of Reporting Person*

                  IA

                     * SEE INSTRUCTIONS BEFORE FILLING OUT!





                                  SCHEDULE 13G

CUSIP No.  030111108                                          Page 4 of 14 Pages



1        Name of Reporting Person
         I.R.S. Identification No. of Above Persons (ENTITIES ONLY)

                  Stanley F. Druckenmiller (in the capacity described herein)

2        Check the Appropriate Box If a Member of a Group*
                                                     a.  [_]
                                                     b.  [x]
3        SEC Use Only

4        Citizenship or Place of Organization

                  UNITED STATES

                           5        Sole Voting Power
 Number of                                328,675
   Shares
Beneficially               6       Shared Voting Power
  Owned By                                413,325
    Each
  Reporting                7       Sole Dispositive Power
   Person                                 328,675
    With
                           8        Shared Dispositive Power
                                          413,325

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                            742,000

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain Shares*
                                                            [_]

11       Percent of Class Represented By Amount in Row (9)

                                    6.34%

12       Type of Reporting Person*

                  OO; IA

                     * SEE INSTRUCTIONS BEFORE FILLING OUT!





                                  SCHEDULE 13G

CUSIP No.  030111108                                          Page 5 of 14 Pages



1        Name of Reporting Person
         I.R.S. Identification No. of Above Persons (ENTITIES ONLY)

                  Duquesne Capital Management, L.L.C.

2        Check the Appropriate Box If a Member of a Group*
                                                     a.  [_]
                                                     b.  [x]
3        SEC Use Only

4        Citizenship or Place of Organization

                  PENNSYLVANIA

                           5        Sole Voting Power
 Number of                                328,675
   Shares
Beneficially               6       Shared Voting Power
  Owned By                                0
    Each
  Reporting                7       Sole Dispositive Power
   Person                                 328,675
    With
                           8        Shared Dispositive Power
                                          0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                            328,675

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain Shares*
                                            [x]

11       Percent of Class Represented By Amount in Row (9)

                                    2.81%

12       Type of Reporting Person*

                  IA

                     * SEE INSTRUCTIONS BEFORE FILLING OUT!





                                                              Page 6 of 14 Pages


Item 1(a)           Name of Issuer:

                    American Superconductor Corp. (the "Issuer").

Item 1(b)           Address of the Issuer's Principal Executive Offices:

                    Two Technology Drive, Westborough, Massachusetts 01581.

Item 2(a)           Name of Person Filing:

                    This  statement is filed on behalf of each of the  following
                    persons (collectively, the "Reporting Persons"):

                    i)   Soros Fund Management LLC, a Delaware limited liability
                         company ("SFM LLC");

                    ii)  Mr. George Soros ("Mr. Soros");

                    iii) Mr. Stanley F. Druckenmiller ("Mr. Druckenmiller"); and

                    iv)  Duquesne  Capital  Management,  L.L.C.,  a Pennsylvania
                         limited liability company ("Duquesne LLC").

                    This  Statement  relates to Shares (as defined  herein) held
for the accounts of Quantum  Partners  LDC, a Cayman  Islands  exempted  limited
duration company  ("Quantum  Partners") and the Duquesne LLC Clients (as defined
herein).  SFM LLC, a Delaware  limited  liability  company,  serves as principal
investment  manager to Quantum Partners and as such, has been granted investment
discretion  over  portfolio  investments,  including  the  Shares,  held for the
account  of  Quantum  Partners.  Mr.  Soros  is the  Chairman  of SFM  LLC.  Mr.
Druckenmiller  is the Lead  Portfolio  Manager  and a member  of the  management
committee of SFM LLC. Mr.  Druckenmiller also owns a 75% interest in, and is the
sole managing member of,  Duquesne LLC, an investment  advisory firm that serves
as a  discretionary  investment  advisor  to a limited  number of  institutional
clients (the "Duquesne LLC Clients").

Item 2(b)           Address of Principal Business Office or, if None, Residence:

                    The address of the principal  business office of each of SFM
LLC, Mr. Soros and Mr.  Druckenmiller  is 888 Seventh  Avenue,  33rd Floor,  New
York, NY 10106.

                    The address of the principal business office of Duquesne LLC
is 2579 Washington Road, Suite 322, Pittsburgh, Pennsylvania 15241-2591.

Item 2(c)           Citizenship:

                    i)   SFM LLC is a Delaware limited liability company;

                    ii)  Mr. Soros is a United States citizen;

                    iii) Mr. Druckenmiller is a United States citizen; and





                                                              Page 7 of 14 Pages



                    iv)  Duquesne  LLC  is  a  Pennsylvania   limited  liability
                         company.

Item 2(d)           Title of Class of Securities:

                           Common Stock, $0.01 par value (the "Shares").

Item 2(e)           CUSIP Number:

                           030111108

Item 3.             If this  statement is filed  pursuant to Rule  13d-1(b),  or
                    13d-2(b), check whether the person filing is a:

                           This Item 3 is not applicable.

Item 4.             Ownership:

Item 4(a)           Amount Beneficially Owned:

                         As of March 5, 1998, each of the Reporting  Persons may
                         be deemed the beneficial  owner of the following number
                         of Shares:

                         i)   Each of SFM LLC and Mr.  Soros may be deemed to be
                              the  beneficial  owner of the 413,325  Shares held
                              for the account of Quantum Partners.

                         ii)  Mr.  Druckenmiller  may be deemed  the  beneficial
                              owner of 742,000  Shares.  This number consists of
                              (A) 413,325 Shares held for the account of Quantum
                              Partners  and  (B)  328,675  Shares  held  for the
                              accounts of the Duquesne LLC Clients.

                         iii) Duquesne LLC may be deemed the beneficial owner of
                              the  328,675  Shares  held  for  the  accounts  of
                              Duquesne LLC Clients.

Item 4(b)           Percent of Class:

                         i)   The  number of Shares of which each of SFM LLC and
                              Mr. Soros may be deemed to be the beneficial owner
                              constitutes   approximately  3.53%  of  the  total
                              number of Shares outstanding.

                         ii)  The  number of  Shares of which Mr.  Druckenmiller
                              may  be   deemed  to  be  the   beneficial   owner
                              constitutes   approximately  6.34%  of  the  total
                              number of Shares outstanding.

                         iii) The number of Shares of which  Duquesne LLC may be
                              deemed  to be  the  beneficial  owner  constitutes
                              approximately  2.81% of the total number of Shares
                              outstanding.






                                                              Page 8 of 14 Pages



Item 4(c)           Number of shares as to which such person has:

          SFM LLC
          ------- 

          (i)  Sole power to vote or to direct the vote:                 413,325

          (ii) Shared power to vote or to direct the vote:                     0

          (iii) Sole power to dispose or to direct the disposition of:   413,325

          (iv) Shared power to dispose or to direct the disposition of:        0

          Mr. Soros
          ---------

          (i)  Sole power to vote or to direct the vote:                       0

          (ii) Shared power to vote or to direct the vote:               413,325

          (iii) Sole power to dispose or to direct the disposition of:         0

          (iv) Shared power to dispose or to direct the disposition of   413,325

          Mr. Druckenmiller
          -----------------

          (i)  Sole power to vote or to direct the vote:                 328,675

          (ii) Shared power to vote or to direct the vote:               413,325

          (iii) Sole power to dispose or to direct the disposition of:   328,675

          (iv) Shared power to dispose or to direct the disposition of:  413,325

          Duquesne LLC
          ------------

          (i)  Sole power to vote or to direct the vote:                 328,675

          (ii) Shared power to vote or to direct the vote:                     0

          (iii) Sole power to dispose or to direct the disposition of:   328,675

          (iv) Shared power to dispose or to direct the disposition of:        0

Item 5.             Ownership of Five Percent or Less of a Class:

                           This Item 5 is not applicable.






                                                              Page 9 of 14 Pages


Item 6.             Ownership  of More than Five  Percent  on Behalf of  Another
                    Person:

                    (i)  The shareholders of Quantum Partners, including Quantum
Fund N.V., a Netherlands Antilles company,  have the right to participate in the
receipt of dividends  from,  or proceeds  from the sale of, the Shares,  held by
Quantum  Partners  in  accordance  with  their  ownership  interests  in Quantum
Partners.

                    (ii) The Duquesne LLC Clients have the right to  participate
in the receipt of dividends from, or proceeds from the sale of, the Shares, held
for their account.

                    Each of SFM LLC and Mr. Soros expressly disclaims beneficial
ownership  of any Shares held for the  accounts  of the  Duquesne  LLC  Clients.
Duquesne LLC expressly disclaims beneficial ownership of any Shares held for the
account of Quantum Partners.

Item 7.             Identification  and  Classification  of the Subsidiary Which
                    Acquired  the  Security  Being  Reported  on by  the  Parent
                    Holding Company:

                           This Item 7 is not applicable.

Item 8.             Identification and Classification of Members of the Group:

                           This Item 8 is not applicable.

Item 9.             Notice of Dissolution of Group:

                           This Item 9 is not applicable.

Item 10.            Certification:

                    By signing below each signatory  certifies that, to the best
of his/its  knowledge  and  belief,  the  securities  referred to above were not
acquired  and are not held for the  purpose of or with the effect of changing or
influencing  the control of the Issuer of the  securities  and were not acquired
and are not  held in  connection  with or as a  participant  in any  transaction
having that purpose or effect.






                                                             Page 10 of 14 Pages


                                   SIGNATURES


After  reasonable  inquiry  and to the  best of my  knowledge  and  belief,  the
undersigned  certifies that the information set forth in this statement is true,
complete and correct.

Date:  March 6, 1998                    SOROS FUND MANAGEMENT LLC

                                        By:  /S/ MICHAEL C. NEUS
                                             ----------------------------------
                                             Michael C. Neus
                                             Assistant General Counsel


Date:  March 6, 1998                    GEORGE SOROS

                                        By:  /S/ MICHAEL C. NEUS
                                             ----------------------------------
                                             Michael C. Neus
                                             Attorney-in-Fact


Date:  March 6, 1998                    STANLEY F. DRUCKENMILLER

                                        By:  /S/ MICHAEL C. NEUS
                                             ----------------------------------
                                             Michael C. Neus
                                             Attorney-in-Fact


Date:  March 6, 1998                    DUQUESNE CAPITAL MANAGEMENT, L.L.C.

                                        By:  /S/ GERALD KERNER
                                             ----------------------------------
                                             Gerald Kerner
                                             Managing Director







                                                             Page 11 of 14 Pages



                                  EXHIBIT INDEX

                                                                        Page No.
                                                                        --------

A.             Power of  Attorney  dated as of  January  1,  1997
               granted by Mr.  George  Soros in favor of Mr. Sean
               C. Warren and Mr. Michael C. Neus.................         12

B.             Power of  Attorney  dated as of  January  1,  1997
               granted by Mr. Stanley F.  Druckenmiller  in favor
               of  Mr.  Sean  C.   Warren  and  Mr.   Michael  C.
               Neus..............................................         13

C.             Joint Filing  Agreement dated March 6, 1998 by and
               among Soros Fund Management LLC, Mr. George Soros,
               Mr. Stanley F.  Druckenmiller and Duquesne Capital
               Management, L.L.C. . . . . . . . . . . . . . . . .         14





                                                             Page 12 of 14 Pages



                                    EXHIBIT A

                                POWER OF ATTORNEY


KNOW ALL MEN BY THESE PRESENTS,  that I, GEORGE SOROS,  hereby make,  constitute
and appoint each of SEAN C. WARREN and MICHAEL C. NEUS, acting individually,  as
my agent and attorney-in-fact for the purpose of executing in my name, (a) in my
personal  capacity or (b) in my capacity as Chairman  of,  member of or in other
capacities  with  Soros  Fund  Management  LLC,  all  documents,   certificates,
instruments,  statements,  filings and agreements ("documents") to be filed with
or  delivered  to any foreign or domestic  governmental  or  regulatory  body or
required or  requested  by any other  person or entity  pursuant to any legal or
regulatory  requirement  relating to the acquisition,  ownership,  management or
disposition of securities or other investments, and any other documents relating
or ancillary  thereto,  including but not limited to, all documents  relating to
filings with the United States  Securities and Exchange  Commission  (the "SEC")
pursuant to the Securities  Act of 1933 or the  Securities  Exchange Act of 1934
(the "Act") and the rules and regulations promulgated thereunder, including: (1)
all documents relating to the beneficial  ownership of securities required to be
filed  with  the SEC  pursuant  to  Section  13(d) or  Section  16(a) of the Act
including, without limitation: (a) any acquisition statements on Schedule 13D or
Schedule  13G and  any  amendments  thereto,  (b) any  joint  filing  agreements
pursuant to Rule  13d-1(f) and (c) any initial  statements  of, or statements of
changes in,  beneficial  ownership of securities on Form 3, Form 4 or Form 5 and
(2) any  information  statements  on Form 13F  required to be filed with the SEC
pursuant to Section 13(f) of the Act.

All past acts of the attorney-in-fact in furtherance of the foregoing are hereby
ratified and confirmed.

This power of attorney shall be valid from the date hereof until revoked by me.

IN  WITNESS  WHEREOF,  I have  executed  this  instrument  as of the  1st day of
January, 1997.




                                                  /s/ George Soros
                                                  -----------------------------
                                                  GEORGE SOROS


                                                             Page 13 of 14 Pages


                                    EXHIBIT B

                                POWER OF ATTORNEY


KNOW ALL MEN BY THESE PRESENTS,  that I, STANLEY F. DRUCKENMILLER,  hereby make,
constitute  and  appoint  each of SEAN C.  WARREN and  MICHAEL  C. NEUS,  acting
individually,  as my agent and  attorney-in-fact for the purpose of executing in
my name,  (a) in my personal  capacity  or (b) in my capacity as Lead  Portfolio
Manager of, member of or in other capacities with Soros Fund Management LLC, all
documents,  certificates,   instruments,   statements,  filings  and  agreements
("documents")  to be  filed  with  or  delivered  to  any  foreign  or  domestic
governmental  or regulatory body or required or requested by any other person or
entity  pursuant  to  any  legal  or  regulatory  requirement  relating  to  the
acquisition,  ownership,  management  or  disposition  of  securities  or  other
investments,  and any other documents relating or ancillary  thereto,  including
but not limited to, all  documents  relating to filings  with the United  States
Securities and Exchange Commission (the "SEC") pursuant to the Securities Act of
1933 or the  Securities  Exchange  Act of 1934  (the  "Act")  and the  rules and
regulations promulgated thereunder, including: (1) all documents relating to the
beneficial ownership of securities required to be filed with the SEC pursuant to
Section 13(d) or Section 16(a) of the Act including, without limitation: (a) any
acquisition  statements  on  Schedule  13D or  Schedule  13G and any  amendments
thereto,  (b) any joint filing agreements  pursuant to Rule 13d-1(f) and (c) any
initial  statements  of, or  statements of changes in,  beneficial  ownership of
securities  on Form 3, Form 4 or Form 5 and (2) any  information  statements  on
Form 13F required to be filed with the SEC pursuant to Section 13(f) of the Act.

All past acts of the attorney-in-fact in furtherance of the foregoing are hereby
ratified and confirmed.

This power of attorney shall be valid from the date hereof until revoked by me.

IN  WITNESS  WHEREOF,  I have  executed  this  instrument  as of the  1st day of
January, 1997.




                                               /s/ Stanley F. Druckenmiller
                                               --------------------------------
                                               STANLEY F. DRUCKENMILLER




                                                             Page 14 of 14 Pages


                                    EXHIBIT C

                             JOINT FILING AGREEMENT

                    The undersigned  hereby agree that the statement on Schedule
13G with respect to the Common Stock of American  Superconductor  Corp. dated as
of March  6,  1998 is,  and any  amendments  thereto  (including  amendments  on
Schedule  13D) signed by each of the  undersigned  shall be,  filed on behalf of
each of us pursuant to and in  accordance  with the  provisions of Rule 13d-1(f)
under the Securities Exchange Act of 1934.


Date:  March 6, 1998                    SOROS FUND MANAGEMENT LLC

                                        By:  /S/ MICHAEL C. NEUS
                                             ----------------------------------
                                             Michael C. Neus
                                             Assistant General Counsel


Date:  March 6, 1998                    GEORGE SOROS

                                        By:  /S/ MICHAEL C. NEUS
                                             ----------------------------------
                                             Michael C. Neus
                                             Attorney-in-Fact


Date:  March 6, 1998                    STANLEY F. DRUCKENMILLER

                                        By:  /S/ MICHAEL C. NEUS
                                             ----------------------------------
                                             Michael C. Neus
                                             Attorney-in-Fact


Date:  March 6, 1998                    DUQUESNE CAPITAL MANAGEMENT, L.L.C.

                                        By:  /S/ GERALD KERNER
                                             ----------------------------------
                                             Gerald Kerner
                                             Managing Director