{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*SN54HC541, SN74HC541,pdf(OCTAL.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1"}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":true,"failed_shards":[{"shard":0,"index":"recommend_keyword_search_v1","node":"-Gn7X2aRSFmN2hMyaNEUCA","reason":{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*SN54HC541, SN74HC541,pdf(OCTAL.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1","caused_by":{"type":"illegal_argument_exception","reason":"expected ')' at position 34"}}}]},"status":400}
车载充电机可实现交流输入(85VAC~265VAC)/直流输出(200VDC-750VDC)输出的功能,其电路的核心架构通常由整流、PFC升压、LLC逆变、输出整流四部分组成。 通常传统的Si器件由于其反向恢复和开关频率的限制,已经不能满足车载充电机对效率的需求,本文针对车载充电机的二次侧整流部分推荐基本半导体的1200V碳化硅肖特基二极管B1D3
2022-07-20 15:19 国芯思辰(深圳)科技有限公司 企业号