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  <element id="amsc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodTotalFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodTotalFairValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
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  <element id="amsc_PerformanceBasedRestrictedStockMember" name="PerformanceBasedRestrictedStockMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_TwoThousandAndSevenDirectorPlanMember" name="TwoThousandAndSevenDirectorPlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_StockOptionsExercisedDates" name="StockOptionsExercisedDates" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_MinimumPercentageOfAmountBeingRealizedUponUltimateSettlement" name="MinimumPercentageOfAmountBeingRealizedUponUltimateSettlement" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_DeferredIncomeTaxExpenseBenefitTotal" name="DeferredIncomeTaxExpenseBenefitTotal" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="amsc_DeferredTaxAssetsFixedAssetsAndIntangibles" name="DeferredTaxAssetsFixedAssetsAndIntangibles" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="amsc_DeferredTaxLiabilitiesIntercompanyDebt" name="DeferredTaxLiabilitiesIntercompanyDebt" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="amsc_OperatingLossCarryforwardsAxis" name="OperatingLossCarryforwardsAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration" />
  <element id="amsc_OperatingLossCarryforwardsDomain" name="OperatingLossCarryforwardsDomain" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_PowerQualitySystemsIncMember" name="PowerQualitySystemsIncMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_AustriaMember" name="AustriaMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_PriceFailureEquityCondition" name="PriceFailureEquityCondition" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
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  <element id="amsc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
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  <element id="amsc_BeijingJingchengNewEnergyMember" name="BeijingJingchengNewEnergyMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_MonetaryLossesFromCopyrightInfringement" name="MonetaryLossesFromCopyrightInfringement" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="amsc_GhodawatEnergyPvtLtdMember" name="GhodawatEnergyPvtLtdMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
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  <element id="amsc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsBonusAndSeveranceGrantsTotalFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsBonusAndSeveranceGrantsTotalFairValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
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  <element id="amsc_HyundaiHeavyIndustriesCoLtdMember" name="HyundaiHeavyIndustriesCoLtdMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_NorthAmericaMember" name="NorthAmericaMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_BeijingChinaMember" name="BeijingChinaMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_NumberOfSharesGrantedByOptionUponElectionToBoard" name="NumberOfSharesGrantedByOptionUponElectionToBoard" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="amsc_FairValueOfRemainingLeasePayments" name="FairValueOfRemainingLeasePayments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="amsc_PaymentsToSettleAdversePurchaseCommitments" name="PaymentsToSettleAdversePurchaseCommitments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
</schema>
