<?xml version="1.0" encoding="UTF-8"?>
<!-- edited with XMLSpy v2005 rel. 3 U (http://www.altova.com) by Walter Appleton (PJM Interconnection, LLC) -->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
	<xs:element name="edart">
		<xs:complexType>
			<xs:sequence>
				<xs:element name="transmission_psse">
					<xs:complexType>
						<xs:complexContent>
							<xs:extension base="transmission_psseType">
								<xs:choice>
									<xs:element name="insert" maxOccurs="unbounded">
										<xs:complexType>
											<xs:sequence>
												<xs:element ref="ta_id"/>
												<xs:element ref="station_a"/>
												<xs:element ref="station_b"/>
												<xs:element ref="station_id"/>
											</xs:sequence>
										</xs:complexType>
									</xs:element>
									<xs:element name="update" maxOccurs="unbounded">
										<xs:complexType>
											<xs:sequence>
												<xs:element name="psse_equipment_id" type="xs:positiveInteger"/>
												<xs:element ref="ta_id"/>
												<xs:element ref="station_a"/>
												<xs:element ref="station_b"/>
												<xs:element ref="station_id"/>
											</xs:sequence>
										</xs:complexType>
									</xs:element>
									<xs:element name="delete" maxOccurs="unbounded">
										<xs:complexType>
											<xs:sequence>
												<xs:element name="psse_equipment_id" type="xs:positiveInteger"/>
												<xs:element ref="ta_id"/>
											</xs:sequence>
										</xs:complexType>
									</xs:element>
								</xs:choice>
							</xs:extension>
						</xs:complexContent>
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		</xs:complexType>
	</xs:element>
	<xs:complexType name="equipmentType"/>
	<xs:element name="station_a">
		<xs:simpleType>
			<xs:restriction base="xs:string">
				<xs:minLength value="12"/>
				<xs:maxLength value="12"/>
				<xs:length value="12"/>
			</xs:restriction>
		</xs:simpleType>
	</xs:element>
	<xs:element name="station_b">
		<xs:simpleType>
			<xs:restriction base="xs:string">
				<xs:minLength value="12"/>
				<xs:maxLength value="12"/>
				<xs:length value="12"/>
			</xs:restriction>
		</xs:simpleType>
	</xs:element>
	<xs:element name="station_id">
		<xs:simpleType>
			<xs:restriction base="xs:string">
				<xs:minLength value="1"/>
				<xs:maxLength value="2"/>
			</xs:restriction>
		</xs:simpleType>
	</xs:element>
	<xs:element name="ta_id" type="xs:positiveInteger"/>
	<xs:complexType name="transmission_psseType"/>
</xs:schema>

