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  <xsd:element id="amsc_RestructuringRecoveries" name="RestructuringRecoveries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage" name="RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_RisksAndUncertaintiesPolicyTextBlock" name="RisksAndUncertaintiesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_ServicesAndTechnologyDevelopmentMember" name="ServicesAndTechnologyDevelopmentMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_SharesTiedToDerivativeLiabilityMember" name="SharesTiedToDerivativeLiabilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ShelfRegistrationMaximumAmountToBeSold" name="ShelfRegistrationMaximumAmountToBeSold" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="amsc_StockIssuedDuringPeriodSharesContingentConsideration" name="StockIssuedDuringPeriodSharesContingentConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_StockIssuedDuringPeriodSharesEquityOffering" name="StockIssuedDuringPeriodSharesEquityOffering" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_StockIssuedDuringPeriodValueContingentConsideration" name="StockIssuedDuringPeriodValueContingentConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_StockIssuedDuringPeriodValueEquityOffering" name="StockIssuedDuringPeriodValueEquityOffering" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_The2007DirectorPlanAndThe2022PlanMember" name="The2007DirectorPlanAndThe2022PlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_The2007DirectorPlanMember" name="The2007DirectorPlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_The2007PlanMember" name="The2007PlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_The2022StockIncentivePlanMember" name="The2022StockIncentivePlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_WarrantyPeriod" name="WarrantyPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_WindMember" name="WindMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-10-intangible-assets-expected-future-amortization-expense-details" name="statement-statement-note-10-intangible-assets-expected-future-amortization-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-10-intangible-assets-intangible-assets-details" name="statement-statement-note-10-intangible-assets-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-10-intangible-assets-tables" name="statement-statement-note-10-intangible-assets-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-11-accounts-payable-and-accrued-expenses-product-warranty-activity-details" name="statement-statement-note-11-accounts-payable-and-accrued-expenses-product-warranty-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-11-accounts-payable-and-accrued-expenses-summary-of-accounts-payable-and-accrued-expenses-details" name="statement-statement-note-11-accounts-payable-and-accrued-expenses-summary-of-accounts-payable-and-accrued-expenses-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-11-accounts-payable-and-accrued-expenses-tables" name="statement-statement-note-11-accounts-payable-and-accrued-expenses-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-12-contingent-consideration-summary-of-the-key-assumptions-used-to-calculate-fair-value-of-warrants-details" name="statement-statement-note-12-contingent-consideration-summary-of-the-key-assumptions-used-to-calculate-fair-value-of-warrants-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-12-contingent-consideration-tables" name="statement-statement-note-12-contingent-consideration-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-13-income-taxes-components-of-income-tax-expense-benefit-details" name="statement-statement-note-13-income-taxes-components-of-income-tax-expense-benefit-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-13-income-taxes-deferred-tax-assets-and-liabilities-details" name="statement-statement-note-13-income-taxes-deferred-tax-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-13-income-taxes-income-loss-before-income-tax-expense-details" name="statement-statement-note-13-income-taxes-income-loss-before-income-tax-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-13-income-taxes-income-tax-rate-reconciliation-details" name="statement-statement-note-13-income-taxes-income-tax-rate-reconciliation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-13-income-taxes-tables" name="statement-statement-note-13-income-taxes-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-15-leases-lease-cost-details" name="statement-statement-note-15-leases-lease-cost-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-15-leases-minimum-future-lease-obligation-details" name="statement-statement-note-15-leases-minimum-future-lease-obligation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-15-leases-operating-lease-assets-and-liabilities-details" name="statement-statement-note-15-leases-operating-lease-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-15-leases-tables" name="statement-statement-note-15-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-16-stockholders-equity-components-of-employee-stockbased-compensation-details" name="statement-statement-note-16-stockholders-equity-components-of-employee-stockbased-compensation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-16-stockholders-equity-options-activities-details" name="statement-statement-note-16-stockholders-equity-options-activities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-16-stockholders-equity-restricted-stock-activity-details" name="statement-statement-note-16-stockholders-equity-restricted-stock-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-16-stockholders-equity-stockbased-compensation-expense-by-financial-statement-line-item-details" name="statement-statement-note-16-stockholders-equity-stockbased-compensation-expense-by-financial-statement-line-item-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-16-stockholders-equity-tables" name="statement-statement-note-16-stockholders-equity-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-16-stockholders-equity-weighted-average-assumptions-details" name="statement-statement-note-16-stockholders-equity-weighted-average-assumptions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-19-restructuring-restructuring-charges-and-cash-payments-details" name="statement-statement-note-19-restructuring-restructuring-charges-and-cash-payments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-19-restructuring-tables" name="statement-statement-note-19-restructuring-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-2-summary-of-significant-accounting-policies-property-plant-and-equipment-useful-life-details" name="statement-statement-note-2-summary-of-significant-accounting-policies-property-plant-and-equipment-useful-life-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-2-summary-of-significant-accounting-policies-reconciliation-of-numerators-and-denominators-of-eps-calculation-details" name="statement-statement-note-2-summary-of-significant-accounting-policies-reconciliation-of-numerators-and-denominators-of-eps-calculation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-2-summary-of-significant-accounting-policies-tables" name="statement-statement-note-2-summary-of-significant-accounting-policies-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-20-business-segments-geographic-information-about-property-plant-and-equipment-associated-with-particular-regions-details" name="statement-statement-note-20-business-segments-geographic-information-about-property-plant-and-equipment-associated-with-particular-regions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-20-business-segments-operating-results-for-business-segments-details" name="statement-statement-note-20-business-segments-operating-results-for-business-segments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-20-business-segments-tables" name="statement-statement-note-20-business-segments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-20-business-segments-total-business-segments-assets-details" name="statement-statement-note-20-business-segments-total-business-segments-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-3-revenue-recognition-contract-assets-and-liabilities-details" name="statement-statement-note-3-revenue-recognition-contract-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-3-revenue-recognition-disaggregation-of-revenue-details" name="statement-statement-note-3-revenue-recognition-disaggregation-of-revenue-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-3-revenue-recognition-revenues-by-major-customers-details" name="statement-statement-note-3-revenue-recognition-revenues-by-major-customers-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-3-revenue-recognition-tables" name="statement-statement-note-3-revenue-recognition-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-5-fair-value-measurements-assets-and-liabilities-carried-at-fair-value-on-a-recurring-basis-details" name="statement-statement-note-5-fair-value-measurements-assets-and-liabilities-carried-at-fair-value-on-a-recurring-basis-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-5-fair-value-measurements-derivative-liability-measured-at-fair-value-details" name="statement-statement-note-5-fair-value-measurements-derivative-liability-measured-at-fair-value-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-5-fair-value-measurements-tables" name="statement-statement-note-5-fair-value-measurements-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-6-accounts-receivable-summary-of-accounts-receivable-details" name="statement-statement-note-6-accounts-receivable-summary-of-accounts-receivable-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-6-accounts-receivable-tables" name="statement-statement-note-6-accounts-receivable-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-7-inventory-summary-of-net-inventory-details" name="statement-statement-note-7-inventory-summary-of-net-inventory-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-7-inventory-tables" name="statement-statement-note-7-inventory-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-9-property-plant-and-equipment-cost-and-accumulated-depreciation-of-property-and-equipment-details" name="statement-statement-note-9-property-plant-and-equipment-cost-and-accumulated-depreciation-of-property-and-equipment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-9-property-plant-and-equipment-tables" name="statement-statement-note-9-property-plant-and-equipment-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
